Rakesh

Rakesh Adoor, Dwarka IN

Patent application number	Description	Published
20130022442	SYSTEM AND METHOD FOR OPERATING A TURBINE - A system for operating a turbine includes a rotating component and a non-rotating component separated from the rotating component by a clearance. A first actuator is connected to the non-rotating component, and the first actuator comprises a shape-memory alloy. A method for operating a turbine includes sensing a parameter reflective of a clearance between a non-rotating component and a rotating component and generating a parameter signal reflective of the clearance. The method further includes generating a control signal to at least one actuator based on the parameter signal and moving at least a portion of the non-rotating component relative to the rotating component to change the clearance.	01-24-2013

Rakesh Adoor, Karnataka IN

Patent application number	Description	Published
20090162139	Thermally Insulated Flange Bolts - A turbine/compressor stator joint that may include a flange, an aperture extending through the flange, and a bolt extending through the aperture. The bolt may include a shank and a layer of insulation surrounding the shank.	06-25-2009

Rakesh Cherukuri, Bangalore IN

Patent application number	Description	Published
20150309732	Selectively Configuring Hard-Disk Drive System - In one embodiment of the disclosure, a hard-disk drive (HDD) controller for an HDD system is selectively configurable to operate with a first type of host system having a first logical block size and a second type of host system having a second logical block size, different from the first logical block size. Another embodiment of the disclosure is a method implemented by the HDD system.	10-29-2015

Rakesh Dhoopar, San Jose, CA US

Patent application number	Description	Published
20140280068	ADAPTIVE LEARNING OF EFFECTIVE TROUBLESHOOTING PATTERNS - The system may include a troubleshooting activity recorder configured to record troubleshooting sessions. Each troubleshooting session may include a sequence of queries and query results. The troubleshooting activity recorder may include a query transformer configured to transform the queries and the query results into transformed queries and transformed query results before recording the troubleshooting sessions. The troubleshooting activity recorder may be configured to record the transformed queries and the transformed query results as troubleshooting session information in a troubleshooting activity database. The system may include a troubleshooting pattern learning unit including a graph builder configured to generate a troubleshooting pattern graph having query nodes and links between the query nodes based on the troubleshooting session information.	09-18-2014

Rakesh Didwania, New Brighton, MN US

Patent application number	Description	Published
20110066754	Intelligent Device and Media Server Selection for Optimized Backup Image Duplication - Systems, methods, and computer-readable storage media are disclosed for a computer system determining a transport path for a data duplication job. A data duplication job request, being a request that data stored on a source device be duplicated, may be received. A plurality of possible transport path components may be enumerated. The plurality of possible transport path components may include one or more possible destination devices, one or more possible means of transport, and one or more possible media servers. A ranking may be determined for at least a subset of the possible transport path components. An availability may be determined for at least a subset of the possible transport path components. A transport path may be selected based on the determined rankings and the determined availabilities. The data duplication job may be performed using the selected transport path.	03-17-2011

Rakesh Dodeja, Portland, OR US

Patent application number	Description	Published
20090249102	METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION IN MULTI-CHANNEL MEMORY CONTROLLER SYSTEMS - Disclosed is a method, apparatus and computer program product for reducing memory power consumption in a server system. The server system includes a memory controller and a plurality of Dual Inline Memory Modules (DIMMs). The method for reducing the memory power consumption includes determining a status of a channel of a plurality of channels of the memory controller. The plurality of channels is associated with the plurality of DIMMs of the server system. The status of the channel represents a presence of at least one scheduled transaction in the channel. The method further includes monitoring the status of the channel by checking whether the status of the channel is in an idle mode for a period of at least equal to a first threshold time. Thereafter, the method includes driving the channel into a power down state based on the monitoring of the status of the channel.	10-01-2009
20100191997	PREDICT COMPUTING PLATFORM MEMORY POWER UTILIZATION - A method is to include implementing at least one statistical prediction model to predict memory power utilization and reduce power consumption for a computing platform. The implementation includes determining a configuration parameter for the computing platform, monitoring an operating parameter for the computing platform and predicting memory power utilization for the computing platform based on the determined configuration parameter and the monitored operating parameter. The method is to also include transitioning at least one memory module resident on the computing platform to one of a plurality of power states based at least in part on memory power utilization predicted via the implementation of the at least one statistical prediction model.	07-29-2010
20110320847	METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION FOR MEMORIES - Described herein are a method and an apparatus for reducing power consumption of memories by monitoring the power states of the memories via an operating system. The method comprises reading counter values corresponding to power states of each memory of a plurality memories; computing a power state usage corresponding to the power states of each memory of the plurality, the computing based on the counter values; determining whether the power state usage exceeds a predetermined threshold usage; and adjusting current and future usage of each memory of the plurality in response to determining that the power state usage exceeds the predetermined threshold usage.	12-29-2011
20120164975	Secure Wireless Device Area Network of a Cellular System - Embodiments may comprise logic such as hardware and/or code to provide a secure device area network. Many embodiments comprise a gateway node or enterprise enhanced node with a services distribution frame installed on a customer's premises. The gateway node or enterprise enhanced node may interconnect the secure wireless device area network at the customer's premises with a cellular network. In many embodiments, the cellular network core may provision authentication credentials and security keys, and manage access polies to facilitate access by Application Service Providers to devices on premises including smart devices via a security and policy enforcement function of a services distribution frame of the gateway node or enterprise enhanced node, Authorized members of the secure wireless device area network may connect to the Wide Area Network (WAN) through the gateway node and the cellular network core.	06-28-2012
20140122897	SECURING DEVICE ENVIRONMENT FOR TRUST PROVISIONING - Integrity management architecture is extended with trusted hash provisioning. The trusted hash provisioning ensures the integrity of a computing device. Thus, a multipurpose device can be as secure as a dedicated single-purpose device. The trusted hash provisioning includes determining a hash mask, and computing a trusted hash computation based on signatures of components identified as included within the scope of the hash. The computed trusted hash computation is used to determine integrity of the computing device.	05-01-2014
20140143833	SECURE MACHINE TO MACHINE COMMUNICATION - An embodiment of the invention allows a network access server to control network access for individual applications that run on a device. The device may be included in a machine-to-machine environment. The embodiment may provide a secure channel between the network access server and the device access layer and another secure channel between the device access layer and the device application layer. Thus, before applications are allowed to access the network those applications may be required to authenticate themselves via a secure channel. Other embodiments are described herein.	05-22-2014

Rakesh Gangarajaiah, Lund SE

Patent application number	Description	Published
20110144934	METHOD AND ARRANGEMENT FOR SAMPLING RATE CONVERSION - Re-sampling of a signal represented by a plurality of input samples is described. An output sample value is calculated for a desired time instant, t	06-16-2011

Rakesh Godhani, North Andover, MA US

Patent application number	Description	Published
20160078582	Sharing Media - A method of operating a user device that has a user computing device, non-transitory memory, and a display screen. The method includes sending a data status to a remote computing device that identifies image data not previously stored on remote non-transitory memory in communication with the remote computing device. The method includes, displaying on the user display screen, one or more photos or videos representative of the identified image data, and receiving a storage command regarding storage of any of the displayed one or more photos or videos on the remote non-transitory memory. The method includes communicating the storage command from the user computing device to the remote computing device. The storage command instructs storage or non-storage of one or more photos or videos representative of the image data by the remote computing device on the remote non-transitory memory.	03-17-2016
20160080439	Media Sharing Device - A method includes receiving, at a local computing device, an indication of connection of a remote user device to a communication network of the local computing device, and establishing communication between the local computing device and the remote user device. The method also includes: accessing, using the local computing device, image data on remote non-transitory memory of the remote user device; and identifying, using the local computing device, any image data on the remote non-transitory memory not previously stored on local non-transitory memory in communication with the local computing device. The method also includes storing the identified image data on the local non-transitory memory.	03-17-2016

Rakesh Govindasamy, Bangalore IN

Patent application number	Description	Published
20120273026	HYBRID SOLAR CONCENTRATION DEVICE - In one embodiment, the present invention provides a hybrid solar concentration device comprising: (a) a solar collector configured to direct solar radiation to a photovoltaic cell and a heat exchanger; (b) a heat exchanger configured to heat a working fluid with a first energy component of the solar radiation; and (c) a photovoltaic cell configured to generate electricity from a second energy component of the solar radiation. Also provided are systems for generating electric power comprising one or more of the novel hybrid solar concentration devices and methods for generating electric power using such systems.	11-01-2012
20140060050	ORGANIC RANKINE CYCLE FOR CONCENTRATED SOLAR POWER SYSTEM - Systems and methods for transforming solar energy into mechanical and/or electrical energy by using an ORC fluid in an ORC cycle configuration. The ORC cycle configuration includes a heat source that vaporizes the ORC fluid and an expander that expands the vaporized ORC fluid to produce the energy.	03-06-2014
20150300326	A CONCENTRATED SOLAR THERMAL POWER PLANT AND METHOD - The concentrated solar power (CSP) plant comprises a solar field and a vapor turbine system. The vapor turbine system includes a vapor turbine arrangement. The vapor turbine arrangement receives super-heated vapor generated by heating a working fluid circulating in the vapor turbine system. The plant further comprises a thermal transfer system configured for transferring solar thermal energy from the solar field to the vapor turbine system. Moreover, a supplemental-energy delivery device is provided, which is configured for superheating the vapor, when the solar thermal energy from the solar field is insufficient to generate superheated vapor.	10-22-2015

Rakesh Hansalia, Milpitas, CA US

Patent application number	Description	Published
20080244282	Managing Power Allocation To Ethernet Ports In The Absence Of Mutually Exclusive Detection And Powering Cycles In Hardware - A method of allocating power to ports in an Ethernet switch, including: (1) assigning a configuration power to a selected port, wherein the assigned configuration power is less than a power supplied by the selected port to a powered, (2) enabling and powering the selected port in a single indivisible step, (3) determining the power limit of a device coupled to the selected port, (4) comparing the power supplied by the selected port to the device with the configuration power assigned to the selected port, and (5) if the power supplied by the selected port to the device is greater than the configuration power assigned to the selected port, then increasing the configuration power of the selected port to correspond with the power limit of the device.	10-02-2008
20100049999	System Software For Managing Power Allocation To Ethernet Ports In The Absence of Mutually Exclusive Detection And Powering Cycles In Hardware - A method of allocating power to ports in an Ethernet switch, including: (	02-25-2010
20100299544	Enabling/Disabling Power-Over-Ethernet Software Subsystem In Response To Power Supply Status - An Ethernet switch includes 12-Volt and 48-Volt power sourcing modules, system software, Ethernet interface modules and optional power over Ethernet (PoE) modules. The Ethernet interface modules are motherboards that include the circuitry required to implement a non-PoE system. The PoE modules are daughter boards that include the circuitry required to supply powered devices in a PoE subsystem. A PoE module may be connected to a corresponding Ethernet interface module. During start up, all of the Ethernet interface modules are first powered up in response to the 12-Volt power sourcing module. If the system software subsequently determines that the 48-Volt power sourcing module is operational, then (and only then) the system software attempts to detect the presence of any PoE modules. Upon detecting one or more PoE modules, the PoE modules are initialized and configured, thereby enabling PoE operation.	11-25-2010
20120311355	MANAGING POWER ALLOCATION TO ETHERNET PORTS IN THE ABSENCE OF MUTUALLY EXCLUSIVE DETECTION AND POWERING CYCLES IN HARDWARE - A method of allocating power to ports in an Ethernet switch, including: (	12-06-2012

Rakesh Jain, Vero Beach, FL US

Patent application number	Description	Published
20140201860	SOYBEAN EVENT SYHT0H2 AND COMPOSITIONS AND METHODS FOR DETECTION THEREOF - Soybean plants comprising event SYHT0H2, methods of detecting and using the same, and soybean plants comprising a heterologous insert at the same site as SYHT0H2.	07-17-2014
20140310835	SOYBEAN EVENT SYHT04R AND COMPOSITIONS AND METHODS FOR DETECTION THEREOF - Soybean plants comprising event SYHT04R, methods of detecting and using the same, and soybean plants comprising a heterologous insert at the same site as SYHT04R.	10-16-2014
20160058014	Improved Weed Control Methods - The present invention relates, inter alia, to a method of improving the tolerance of a plant, which has been genetically engineered to over express a p-hydroxyphenylpyruvate dioxygenase (HPPD), to a HPPD inhibiting herbicide, said method comprising applying to said plant a water-soluble iron-containing compound. The present invention further relates to a method of selectively controlling weeds at a locus, the locus comprising weeds and crop plants, the crop plants having been genetically engineered to overexpress a HPPD which confers tolerance to a HPPD-inhibiting herbicide, the method comprising application to the locus of (i) a weed controlling amount of a HPPD-inhibiting herbicide and (ii) a water-soluble iron-containing compound. The present invention further relates to herbicidal compositions comprising a HPPD-inhibiting herbicide and a water-soluble iron-containing compound.	03-03-2016

Rakesh Jain, Columbia, SC US

Patent application number	Description	Published
20130056770	Patterned Substrate Design for Layer Growth - A patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers, is provided. The patterned surface can include a set of substantially flat top surfaces and a plurality of openings. Each substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the openings can have a characteristic size between approximately 0.1 micron and five microns.	03-07-2013
20130193480	Epitaxy Technique for Reducing Threading Dislocations in Stressed Semiconductor Compounds - A solution for fabricating a semiconductor structure is provided. The semiconductor structure includes a plurality of semiconductor layers grown over a substrate using a set of epitaxial growth periods. During each epitaxial growth period, a first semiconductor layer having one of: a tensile stress or a compressive stress is grown followed by growth of a second semiconductor layer having the other of: the tensile stress or the compressive stress directly on the first semiconductor layer. One or more of a set of growth conditions, a thickness of one or both of the layers, and/or a lattice mismatch between the layers can be configured to create a target level of compressive and/or shear stress within a minimum percentage of the interface between the layers.	08-01-2013
20140110754	Epitaxy Technique for Growing Semiconductor Compounds - A solution for fabricating a semiconductor structure is provided. The semiconductor structure includes a plurality of semiconductor layers grown over a substrate using a set of epitaxial growth periods. During each epitaxial growth period, a first semiconductor layer having one of: a tensile stress or a compressive stress is grown followed by growth of a second semiconductor layer having the other of: the tensile stress or the compressive stress directly on the first semiconductor layer.	04-24-2014
20140134773	Patterned Layer Design for Group III Nitride Layer Growth - A method of fabricating a device using a layer with a patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers with a high concentration of aluminum, is provided. The patterned surface can include a substantially flat top surface and a plurality of stress reducing regions, such as openings. The substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the stress reducing regions can have a characteristic size between approximately 0.1 microns and approximately five microns and a depth of at least 0.2 microns. A layer of group-III nitride material can be grown on the first layer and have a thickness at least twice the characteristic size of the stress reducing regions.	05-15-2014
20140239312	Semiconductor Structure with Inhomogeneous Regions - A semiconductor layer including a plurality of inhomogeneous regions is provided. Each inhomogeneous region has one or more attributes that differ from a material forming the semiconductor layer. The inhomogeneous regions can include one or more regions configured based on radiation having a target wavelength. These regions can include transparent and/or reflective regions. The inhomogeneous regions also can include one or more regions having a higher conductivity than a conductivity of the radiation-based regions, e.g., at least ten percent higher.	08-28-2014
20140326950	Stress Relieving Semiconductor Layer - A semiconductor structure, such as a group III nitride-based semiconductor structure is provided. The semiconductor structure includes a cavity containing semiconductor layer. The cavity containing semiconductor layer can have a thickness greater than two monolayers and a multiple cavities. The cavities can have a characteristic size of at least one nanometer and a characteristic separation of at least five nanometers.	11-06-2014
20140346441	Semiconductor Layer Including Compositional Inhomogeneities - A device comprising a semiconductor layer including a plurality of compositional inhomogeneous regions is provided. The difference between an average band gap for the plurality of compositional inhomogeneous regions and an average band gap for a remaining portion of the semiconductor layer can be at least thermal energy. Additionally, a characteristic size of the plurality of compositional inhomogeneous regions can be smaller than an inverse of a dislocation density for the semiconductor layer.	11-27-2014
20150060908	Optoelectronic Device with Modulation Doping - An improved heterostructure for an optoelectronic device is provided. The heterostructure includes an active region, an electron blocking layer, and a p-type contact layer. The p-type contact layer and electron blocking layer can be doped with a p-type dopant. The dopant concentration for the electron blocking layer can be at most ten percent the dopant concentration of the p-type contact layer. A method of designing such a heterostructure is also described.	03-05-2015
20150083994	Group III Nitride Heterostructure for Optoelectronic Device - Heterostructures for use in optoelectronic devices are described. One or more parameters of the heterostructure can be configured to improve the reliability of the corresponding optoelectronic device. The materials used to create the active structure of the device can be considered in configuring various parameters the n-type and/or p-type sides of the heterostructure.	03-26-2015
20150108428	Heterostructure Including a Composite Semiconductor Layer - A heterostructure for use in an electronic or optoelectronic device is provided. The heterostructure includes one or more composite semiconductor layers. The composite semiconductor layer can include sub-layers of varying morphology, at least one of which can be formed by a group of columnar structures (e.g., nanowires). Another sub-layer in the composite semiconductor layer can be porous, continuous, or partially continuous.	04-23-2015
20150295133	Semiconductor Heterostructure with Stress Management - A heterostructure for use in fabricating an optoelectronic device is provided. The heterostructure includes a layer, such as an n-type contact or cladding layer, that includes thin sub-layers inserted therein. The thin sub-layers can be spaced throughout the layer and separated by intervening sub-layers fabricated of the material for the layer. The thin sub-layers can have a distinct composition from the intervening sub-layers, which alters stresses present during growth of the heterostructure.	10-15-2015
20150372193	Patterned Layer Design for Group III Nitride Layer Growth - A device having a layer with a patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers with a high concentration of aluminum, is provided. The patterned surface can include a substantially flat top surface and a plurality of stress reducing regions, such as openings. The substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the stress reducing regions can have a characteristic size between approximately 0.1 microns and approximately five microns and a depth of at least 0.2 microns. A layer of group-III nitride material can be grown on the first layer and have a thickness at least twice the characteristic size of the stress reducing regions.	12-24-2015
20160035936	Patterned Layer Design for Group III Nitride Layer Growth - A method of fabricating a device using a layer with a patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers with a high concentration of aluminum, is provided. The patterned surface can include a substantially flat top surface and a plurality of stress reducing regions, such as openings. The substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the stress reducing regions can have a characteristic size between approximately 0.1 microns and approximately five microns and a depth of at least 0.2 microns. A layer of group-III nitride material can be grown on the first layer and have a thickness at least twice the characteristic size of the stress reducing regions. A device including one or more of these features also is provided.	02-04-2016
20160093771	PATTERNED SUBSTRATE DESIGN FOR LAYER GROWTH - A patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers, is provided. The patterned surface can include a set of substantially flat top surfaces and a plurality of openings. Each substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the openings can have a characteristic size between approximately 0.1 micron and five microns. One or more of the substantially flat top surfaces can be patterned based on target radiation.	03-31-2016

Rakesh Kanda, New Delhi IN

Rakesh Kansal, Scottsdale, AZ US

Patent application number	Description	Published
20080217749	Low Capacitance Transient Voltage Suppressor - A transient voltage suppressor includes a reverse bias transient voltage suppressor PN diode connected in series with a forward biased PIN diode, the series circuit formed by the PN diode and the PIN diode is connected between first and second terminals and in parallel with a reverse biased PIN diode.	09-11-2008

Rakesh Kathpalia, Victoria, TX US

Patent application number	Description	Published
20150305443	ARTICLE OF FOOTWEAR FOR SUBSTANTIALLY REDUCING FRICTION AND RELATED COMPONENTS AND APPARATUS - An article of footwear for substantially reducing friction related to tying a shoe with a shoelace having an uncompressed cross-section. The shoe comprises eyelets for receiving the shoelace, each eyelet having a cross-section larger than the uncompressed cross-section of the shoelace. The shoe further comprises shoelace interfacing structures configured inside one of the eyelets. The shoelace interfacing structures comprises a material for withstanding tensions associated with tying the shoe. In addition, the shoelace interfacing structures supports movement of the shoelace along an outer surface of the shoelace interfacing structure and permits the shoelace to pass with minimal friction so that pulling on the ends of the shoelace ties the shoe with minimal force, thereby evenly distributing the tension of the shoelace with each shoelace interfacing structures throughout the shoe.	10-29-2015

Rakesh Kelappan, Kalpetta IN

Patent application number	Description	Published
20130159904	PROCESS FLOW DESIGNING BASED ON CONNECTION COMPATIBILITY BETWEEN PROCESS COMPONENTS - In one embodiment, a selection of a process component associated with a process flow is received. Further, a check is made to determine whether a graphical editor includes process components associated with the process flow. If the graphical editor does not include process components, the selected process component is placed on the graphical editor. If the graphical editor includes the process components, then compatibility of the selected process component with at least one of the one or more process components is determined by identifying cardinality and type of the process component. Further, the selected process component is connected to the process flow on the graphical editor based on the determined compatibility.	06-20-2013

Rakesh Kelappan, Walldorf DE

Patent application number	Description	Published
20150120245	GENERATING DATA MANIPULATION TOOLS USING PREDICTIVE ANALYSIS CHAINS - A custom data manipulation tool may be created that allows a user to perform one or more statistical analysis steps with reduced configuration. A statistical analysis process chain is exported as a data manipulation tool that allows a user to later execute the statistical algorithm with minimal inputs. Rather than setting up a new statistical analysis process chain every time a user wishes to perform statistical analysis on a set of data, the user may use the previously configured and stored data manipulation tool to perform the statistical analysis.	04-30-2015

Rakesh Koppram, Goteborg SE

Patent application number	Description	Published
20130244247	STRAINS OF SACCHAROMYCES CEREVISIAE - A method for producing a strain of	09-19-2013
20130295620	SACCHAROMYCES CEREVISIAE STRAINS - A method for producing a strain of	11-07-2013

Rakesh Krishnaiyer, Milpitas, CA US

Patent application number	Description	Published
20090307675	DATA DEPENDENCE TESTING FOR LOOP FUSION WITH CODE REPLICATION, ARRAY CONTRACTION, AND LOOP INTERCHANGE - Methods and apparatus to data dependence testing for loop fusion, e.g., with code replication, array contraction, and/or loop interchange, are described. In one embodiment, a compiler may optimize code for efficient execution during run-time by testing for dependencies associated with improving memory locality through code replication in loops that enable various loop transformations. Other embodiments are also described.	12-10-2009
20120117552	SPECULATIVE COMPILATION TO GENERATE ADVICE MESSAGES - Methods to improve optimization of compilation are presented. In one embodiment, a method includes identifying one or more optimization speculations with respect to a code region and speculatively performing transformation on an intermediate representation of the code region in accordance with an optimization speculation. The method includes generating an advice message corresponding to the optimization speculation and displaying the advice message if the optimization speculation results in an improved compilation result.	05-10-2012
20150324292	EMPLOYING PREFETCH TO REDUCE WRITE OVERHEAD - The present application is directed to employing prefetch to reduce write overhead. A device may comprise a processor and a cache memory. The processor may determine if data to be written to the cache memory comprises multiple cache lines wherein at least one of the cache lines will be fully written. If the data comprises at least one cache line to be fully written, then the processor may perform a “prefetch” wherein the processor may write dummy data to sections of the cache memory corresponding to the data to be written in full cache lines. The processor may then write actual data to the sections containing the dummy data without the processor first having to verify ownership of the sections. Any remaining data that will not be written in full cache lines may then be written to the cache memory utilizing a standard write transaction.	11-12-2015

Rakesh Kustwaha, Marlboro, NJ US

Patent application number	Description	Published
20090093235	SYSTEM AND METHOD FOR PROTECTING DATA IN WIRELESS DEVICES - When a network-based wireless device such as a mobile phone or data terminal is reported lost or stolen or is determined to be malfunctioning, a service provider can immediately deny the device access to the network. However, any management operation to secure data carried by the wireless device cannot be carried out as the device is no longer reachable from the network. Therefore, the data should be secured before the device is rendered inoperable. Apparatus and methods are provided to back-up the data or wipe the data before the system denies access to the device. A system and method are provided by which a security manager works in conjunction with an equipment register of the network to lock and wipe data on the wireless device before the device is denied access to the network. Similarly, for a wireless device that is later recovered or determined to be operable, the device can be granted access to the network again and any data that was locked or wiped can be unlocked or restored over the network.	04-09-2009

Rakesh Lai, Goleta, CA US

Patent application number	Description	Published
20080296173	Electrolysis transistor - An electrolysis transistor for providing high-density electrochemistry and products utilizing the same, and high-efficiency electrolysis and electrochemical processes is disclosed. The electrolysis transistor may comprise an electrolyte, one or more working electrodes for transferring charge to or from said electrolyte, and one or more gate structures for altering electrode over-voltage and modifying the barrier at the electrode-electrolyte interface, reducing the voltage necessary for electrolysis. An electrochemical or photo-electrochemical cell may incorporate one or more of these electrolysis transistors.	12-04-2008

Rakesh Madhava, Chicago, IL US

Patent application number	Description	Published
20120310893	SYSTEMS AND METHODS FOR MANIPULATING AND ARCHIVING WEB CONTENT - Systems and methods for manipulating and archiving web content. A uniform resource locator (URL) associated with a network resource is obtained. A virtual copy of the network resource is rendered by accessing the network resource and associated resources using the URL, where the associated resources include presentation data. A client-side representation of the network resource is stored based on the rendering of the virtual copy of the network resource. At least one irrelevant data pattern in the virtual copy of the network resource is identified. The virtual copy of the network resource is manipulated by applying client-side scripting language code to remove irrelevant data associated with the at least one irrelevant data pattern. One or more linked URLs present in the virtual copy of the network resource are recursively processed.	12-06-2012
20130246941	Method and System for Information Management - A system and method is described for managing litigation services, such as the designation of exhibits, deponents and other information for one or more cases. The method including the steps of receiving trial information and populating a database with the trial information. The method next includes the step of designating portions of the trial information for later use, followed by receiving confirmation of acceptance of the designated portions. Finally, the method includes the step of managing the designation and use of the trial information.	09-19-2013
20140149298	SYSTEM AND METHOD FOR DETECTING DOCUMENTS - Stored trial information is accessed. A privileged document list is obtained identifying a selected set of the plurality of documents including documents identified as privileged. An unselected set is identified including documents not belonging to the selected set. A plurality of context triggered piecewise hashes is generated. At least one match likelihood value is calculated between the at least one document of the selected set and the at least one document of the unselected set based on the plurality of context triggered piecewise hashes. At least one potentially privileged document is identified in the unselected set based on the at least one match likelihood value with at least one document from the selected set. At least one of the at least one potentially privileged document is added to the privileged document list. Documents excluded from the modified privileged document list are prepared for transfer.	05-29-2014

Rakesh Midha, Hyderabad IN

Patent application number	Description	Published
20140068547	SHARING APPLICATION CODE ACROSS PLATFORMS - Application functionality is separated into platform neutral components and platform specific components. An application model component defines the core logic of the application and includes interaction models for handling user input that is platform neutral and may be used across platforms. An application host component includes functionality for a specific platform but may be reused across different applications on the same platform (e.g. how to draw on a specific platform). An application user interface component includes functionality (e.g. specific UI for an application) that is platform specific and application specific. Platform neutral Application Programming Interfaces (APIs) are used by the developer to abstract functionality of the application such that the platform neutral code is portable across different platforms. The communication between the platform specific components and platform neutral components uses thread and memory isolation similar to a client-server architecture.	03-06-2014

Rakesh Paul, Baltimore, MD US

Patent application number	Description	Published
20160038615	SACCHARIDE CONJUGATES - This invention relates to compounds comprising a saccharide conjugated to an imaging agent or a reporter group, compositions comprising them and methods of using them. Specifically BLM-disaccharide and BLM-monosaccharide conjugates containing different linker groups and an imaging agent or a reporter group are provided for the targeting and imaging of tumors.	02-11-2016
20160045611	SUGAR-LINKER-DRUG CONJUGATES - The present disclosure relates to sugar-linker-drug conjugates, of the formula [A-B-]n-L-D, wherein A is a saccharide; B is a spacer, n is an integer selected from 1 to 3; L is a linker group and D is a drug having a chemically reactive functional group selected from the group consisting of a primary or secondary amine, hydroxyl, sulfhydryl, carboxyl, aldehyde and ketone. Pharmaceutical compositions comprising the conjugates and methods of using them are also provided.	02-18-2016

Rakesh Ramde, Saratoga, CA US

Patent application number	Description	Published
20090282368	User Interface for Accessing Lists - A consistent method of navigating across large data sets, particularly search results from search engines and play lists from media player devices is disclosed. Persistent navigation position markers provide the user with indication of current position in the data set. By using a click wheel which is provided on many mobile communication platforms, personal digital assistants and the like, simple operation is provided. Alternatively, a touch pad, touch screen and stylus, or thumb mouse may be used.	11-12-2009

Rakesh Ramde, Los Altos, CA US

Patent application number	Description	Published
20130325616	LOCATION-BASED AND CONTEXT-AWARE ADVERTISING PLATFORM - Techniques for serving location-based, context aware advertisements. A server receives location and contextual information associated with a user device and/or a user. One or more ads are selected from a database of ads for the user based on where the user device is located and activity of the user with the user device. Ads are then to the user device for display. The contextual information is based on user interactions with a user device. The user interactions include opening and closing applications, and input and output of the applications.	12-05-2013
20130326253	TOGGLING SLEEP-MODE OF A MOBILE DEVICE WITHOUT MECHANICAL OR ELECTROMAGNETIC TOGGLING BUTTONS - Techniques for toggling sleep modes. A gesture associated with the mobile device that is in a first mode is detected. The can be gesture indicative of a user toggling the sleep mode of the mobile device from a first mode. Responsive to the gesture, the first mode can be switched to a second mode. In the second mode at least one component of the mobile device is either powered-up or powered-down.	12-05-2013
20130332848	CREATING NEW CONNECTIONS ON SOCIAL NETWORKS USING GESTURES - Techniques for creating new connections on a social network using gestures. A server receives a first fingerprint of a gesture detected on a device of a first user. The gesture is indicative of the first user initializing a new social networking connection with a second user. The first fingerprint is matched to a second fingerprint received from the second user. In response to the matching, a connection is initiated between the first and second users on a social network in response to the matching. The user devices include an accelerometer to detect the gesture.	12-12-2013

Rakesh Ranjan, Baoshan Township TW

Patent application number	Description	Published
20100097091	Methodology for Bias Temperature Instability Test - A method for performing a bias temperature instability test on a device includes performing a first stress on the device. After the first stress, a first measurement is performed to determine a first parameter of the device. After the first measurement, a second stress is performed on the device, wherein only the first parameter is measured between the first stress and the second stress. The method further includes performing a second measurement to determine a second parameter of the device after the second stress. The second parameter is different from the first parameter.	04-22-2010

Rakesh Rao, Reston, VA US

Patent application number	Description	Published
20130262626	SYSTEMS AND METHODS FOR BUILDING AND DEPLOYING MOBILE APPLICATIONS - Systems and methods may generate applications for operating platforms. A data source for an application definition may be created, and an object may be mapped to the data source. An application definition may be generated from the data source and object. An operating platform for application publication may be selected from among a plurality of platforms. An application may be generated for the selected operating platform.	10-03-2013

Rakesh Reddy, Boca Raton, FL US

Patent application number	Description	Published
20150227145	AUTOMATIC POOL AND SPA WATER LEVELER ON A NON-STATIC LINE - A water level detection system in a pool, spa, fountain or water feature forming a body of water within, the water level detection system is provided with a tap line coupled to a plumbing line on a suction or supply side of a filtration system and admitting water from the pool, spa, fountain or water feature such that the change in level of the water in the tap line corresponds to a change in level of the water in the pool, spa, fountain or water feature. A sensing module is mounted to the tap line and has at least one sensor for detecting the height of a column of water or the pressure of a column of air in the water tap line. A controller is coupled to the sensing module and adapted to collect the data from the sensors that detect changes in the level of the water level of the body of water, communicate the detection of such a change, and report such a change to initiate addition or removal of water from the body of water to adjust the water level in the body of water to a set point.	08-13-2015

Rakesh Sambaraju, Corning, NY US

Patent application number	Description	Published
20150256237	HYBRID INTRA-CELL / INTER-CELL REMOTE UNIT ANTENNA BONDING IN MULTIPLE-INPUT, MULTIPLE-OUTPUT (MIMO) DISTRIBUTED ANTENNA SYSTEMS (DASs) - Hybrid intra-cell/inter-cell remote unit antenna bonding in multiple-input, multiple-output (MIMO) distributed antenna systems (DASs), and related components, systems, and methods. The MIMO DASs are capable of supporting distributed MIMO communications with client devices. To provide enhanced MIMO coverage areas, hybrid intra-cell/inter-cell remote unit antenna bonding is employed. For example, if a client device has acceptable MIMO communications signal quality with MIMO antennas within a single remote unit, intra-cell bonding of the MIMO antennas can be employed to provide MIMO coverage for MIMO communications, which may avoid power imbalance issues that would result with inter-cell bonded MIMO antennas. However, if a client device has acceptable MIMO communications signal quality with MIMO antennas in a separate, neighboring remote unit(s), inter-cell bonding of the MIMO antennas can be employed to provide MIMO coverage for MIMO communications.	09-10-2015

Rakesh Sasidharan Nair, Bangalore IN

Patent application number	Description	Published
20110167428	BUSY-WAIT TIME FOR THREADS - Method to selectively assign a reduced busy-wait time to threads is described. The method comprises determining whether at least one thread is spinning on a mutex lock associated with a condition variable and assigning, when the at least one thread is spinning on the mutex lock, a predetermined reduced busy-wait time for a subsequent thread spinning on the mutex lock.	07-07-2011

Rakesh Sethl, Vancouver CA

Patent application number	Description	Published
20100331724	DETERMINING A CHARACTERISTIC BLOOD PRESSURE - The present disclosure relates to monitoring a characteristic physiological parameter of a patient during a suitable time period that either precedes or follows a triggering event, such as a clinician/patient interaction, that may negatively impact the physiological parameter. In some embodiments, physiological parameter values falling between one or more pre-set thresholds may be used to derive the characteristic physiological parameter. In some embodiments, tracking the physiological parameter may provide additional information about the patient's status. In some embodiments, confidence measures may be associated with, or may be used to analyze features of the patient signal to derive information about, the characteristic physiological parameter. The patient signal used to derive a patient's physiological parameter may be of an oscillatory nature or may include oscillatory features that may be analyzed to derive a characteristic respiration rate.	12-30-2010

Rakesh Sharma, Tallahassee, FL US

Patent application number	Description	Published
20090220434	NANOPARTICLES THAT FACILITATE IMAGING OF BIOLOGICAL TISSUE AND METHODS OF FORMING THE SAME - Nanoparticles that facilitate imaging of biological tissue and methods for formulating the nanoparticles are provided. In order to form suitable nanoparticles for imaging, an anionic surfactant may be applied to superparamagnetic nanoparticles to form modified nanoparticles. The modified nanoparticles may be mixed with a polymer in a solvent to form a first mixture, and a non-solvent may be mixed with the first mixture to form a second mixture. An emulsion may be formed from the second mixture and the polymeric nanoparticles may be isolated from the emulsion. In certain embodiments of the invention, an antibody may be attached to the polymeric nanoparticles to facilitate attachment of the nanoparticles to biological tissue.	09-03-2009
20120164079	IMAGING OF BIOLOGICAL TISSUE UTILIZING NANOPARTICLES - Methods for NMR microimaging of biological tissue are provided. Polymeric nanoparticles are provided as a contrast agent to subject tissue to be imaged. Each polymeric nanoparticle may include an iron oxide core that exhibits superparamagnetic properties that enhance tissue imaging when placed within a magnetic field, an anionic surfacant applied to the core, a polymeric layer that encapsulates the core and the anionic surfacant, and an antibody attached to the polymeric layer to facilitate attachment to the subject tissue. Following the provision of the polymeric nanoparticles as a contrast agent to the subject tissue, the subject tissue may be images utilizing a twenty-one Tesla microimaging technique.	06-28-2012

Rakesh Sharma, San Mateo, CA US

Patent application number	Description	Published
20080244375	Hyperlinking Text in Document Content Using Multiple Concept-Based Indexes Created Over a Structured Taxonomy - Hyperlinks are automatically created and inserted into a subject document at the location of a subject concept within the subject document. The determination of when and where to insert the hyperlinks is made on the basis of associations of the subject concept with one or more object resources (to which the hyperlinks will point) according to semantic relationships between the subject concepts and the object resources as defined by a taxonomy. The hyperlinks may be displayed within a published version of the subject document in response to a cursor-control event.	10-02-2008

Rakesh Sharma, Hisar IN

Patent application number	Description	Published
20150379502	IMAGE PROCESSING METHOD OF ENABLING FINANCIAL TRANSACTION AND AN IMAGE PROCESSING SYSTEM THEREOF - The present subject matter relates to an image processing method and an image processing system for enabling financial transaction. The method comprises capturing an image of a financial instrument using an image capture device. The captured image is then processed to locate image of the financial instrument number and processed to obtain binary images of one or more characters of the financial instrument number. The system further recognizes each character of the financial instrument number from the binary images based on curvature information of each character and accuracy levels. The recognized characters are validated for a possible financial instrument number and then displayed to the user for confirmation. The user may enter at least one input character when the displayed characters is determined to be incorrect and the system updates a character repository with the correct financial instrument number and corresponding accuracy level.	12-31-2015

Rakesh Sharrma, New Delhi IN

Patent application number	Description	Published
20120284686	SYSTEM AND METHOD FOR MOBILE APPLICATION DEVELOPMENT - The present invention relates to the field of mobile applications and, more specifically, to a system and method for building a mobile application in a mobile application development environment in a simple and cost effective manner.	11-08-2012

Rakesh Sharrma, Haryana IN

Patent application number	Description	Published
20080243871	Method And A System For Publishing Data - The present invention relates to a system and a method for single click publication of personal contents of user with the user's consent and sharing it with the rest of the world via internet. The published content can be accessed by other internet users at their desktop, viewed or shared or saved for later use. The complete process of publishing personal content on the internet is done on a single click and all others users receive notifications about new or changed content automatically on their desktop thereby enabling them to access the content.	10-02-2008
20080256147	Method and a System for Storing Files - The present invention presents a method and a system of indexing, storing and retrieving data to and from multiple, remote and connected data sources over internet or intranet. Files are shredded into fixed number of strips using a defined pattern (shredding algorithm) and distributed randomly amongst the storage data sources (storage nodes). A unique index is maintained for each file and its strips along with corresponding storage nodes in a central file-storage database. On demand to retrieve a file, file-storage database is looked up for all relevant strips and storage nodes containing them. These file strips are then collected from all storage nodes and dressed back according to a defined anti-pattern (dressing algorithm) to the pattern used for shredding them. Failover control for storage nodes can be achieved by replicating each strip for a fixed number of storage nodes (replication factor). In case a storage node is not available, the next storage node containing the same strip can be used to get the strip back.	10-16-2008
20100179943	Hybrid Data Archival Method And System Thereof - The present invention relates to a method and a system for obtaining both online and offline backups from one application with a single toggle operation. By performing the method of the present invention it would be possible to take hybrid backup of the data automatically according to a predetermined schedule. Also, the hybrid data backup method enables the easily retrieve the data.	07-15-2010
20100179944	Local Data Retrieval And Restoration Method And System Thereof - The present invention provides a method and a system for retrieving and restoring data which is available on a local archival media but lost or not available at a computer terminal connectable to the said local archival media. A list of data available on a particular archival media and a list of data available at the computer terminal are compared and sorted appropriately to generate a list of lost data which are to be retrieved and restored from the local archival media. Once the list of lost data is generated, the list is checked to render the path and feasibility of retrieving and restoring the files. Finally, the files are retrieved by selecting path and location in computer terminal.	07-15-2010
20100293141	Method and a System for Obtaining Differential Backup - The present invention provides a method that uses differential backup which is a key feature when uploading file for back up data from a client terminal to a server terminal. At the time of backup, only the changes from the client terminal side are sent back to the server terminal which saves the bandwidth and makes the process fast. While uploading, data is sent in the form of chunks of fixed size. In case any of the chunks could not be delivered on the server terminal, the same chunk is retransmitted from the client terminal.	11-18-2010

Rakesh Shiwale, Chandler, AZ US

Patent application number	Description	Published
20130285705	SAMPLE AND HOLD CIRCUIT - A sample and hold circuit is provided. The circuit includes a plurality of switches, a first capacitor, an operational amplifier having a first input selectively coupled to the first capacitor and an output, a second capacitor and a third capacitor both selectively coupled to the first capacitor and both selectively coupled between the first input of the operational amplifier and the output of the operational amplifier, wherein the plurality of switches are configured to receive a plurality of control signals such that the first capacitor is configured to sample an input signal in a sample phase and to transfer a charge to one of the second capacitor and the third capacitor in a hold phase, and the second capacitor and third capacitor are configured to alternate between holding the transferred charge and resetting in any back-to-back hold phases.	10-31-2013
20140002291	ANALOG TO DIGITAL CONVERSION ARCHITECTURE AND METHOD WITH INPUT AND REFERENCE VOLTAGE SCALING	01-02-2014
20140232579	LOW POWER QUANTIZER FOR ANALOG TO DIGITAL CONVERTER - A quantizer includes a voltage reference network and a set of comparators coupled with the voltage reference network. The voltage reference network generates a plurality of reference voltages. Each of the comparators receives an input signal and produces a sequence of digital samples. The set of comparators includes first, second, and third subsets of comparators. Each comparator of the first subset includes a switched capacitor stage, each comparator of the second subset includes a preamplifier stage, and each comparator of the third subset includes a switched capacitor stage. The first and third subsets of comparators compares the input signal with reference voltages corresponding to the upper and lower voltage ranges of the input signal, and the second subset of comparators compares the input signal with reference voltages corresponding to the middle voltage range of the input signal.	08-21-2014

Rakesh Shuklakumar, New Delhi IN

Patent application number	Description	Published
20100285445	CHIMERIC CONSTRUCT OF MUNGBEAN YELLOW MOSAIC INDIA VIRUS (MYMIV) AND ITS USES THEREOF - A recombinant DNA construct, recombinant vectors and host cells comprising the dimers of DNA A and DNA B of Mungbean Yellow Mosaic India Virus (MYMIV) in a single Ti plasmid are provided herein.	11-11-2010

Rakesh Simpi, Karnataka IN

Patent application number	Description	Published
20130156288	Systems And Methods For Locating Characters On A Document - Systems and methods for locating characters on a document are provided. In one embodiment, a method for locating characters on a document includes receiving an image of a document, identifying a set of character candidate forms in the image based on image intensity data, identifying a set of characters from the set of character candidate forms based on spatial characteristics of the set of character candidate forms, and outputting a location of the set of characters.	06-20-2013

Rakesh Sindhi, Pittsburgh, PA US

Patent application number	Description	Published
20130029372	B-CELL ANTIGEN PRESENTING CELL ASSAY - Disclosed herein are methods for diagnosing or predicting B-cell rejection in a subject. In one example, for assessing transplant rejection, the method includes determining an antigen presenting index by comparing uptake of a donor antigen to uptake of a reference antigen in a biological sample obtained from the subject. In another example, for assessing GVHD, the method includes determining an antigen presenting index by comparing uptake of a recipient antigen to uptake of a reference antigen in a biological sample obtained from the subject.	01-31-2013
20130217038	MULTIPARAMETRIC METHOD FOR ASSESSING IMMUNE SYSTEM STATUS - The invention provides a multiparametric method of assessing the reaction of a patient's immune system to a test subject. The invention compares a patient sample reacted with a test sample and a third party sample and combines the assessments of the multiple parameters to correlate the test reaction with a clinical event.	08-22-2013
20140057315	ANTIGEN PRESENTING CELL ASSAY - Disclosed herein are methods for diagnosing or predicting acute cellular and/or humoral rejection in a subject. In one example, a method of assessing organ rejection includes contacting a first sample comprising antigen presenting cells (APCs) obtained from a subject in need of or having received an organ transplant with a donor antigen from a donor under conditions sufficient to induce uptake of the donor antigen; contacting a second sample comprising APCs obtained from the subject in need of or having received an organ transplant with a third-party antigen under conditions sufficient to induce uptake of the third-party antigen; and determining an antigen presenting index by determining a ratio of uptake of the donor antigen in the first sample to uptake of the third-party antigen in the second sample, wherein the ratio of greater than one indicates organ rejection and the APCs are monocytes or monocyte-derived cells.	02-27-2014
20140302548	MULTIPARAMETRIC METHOD FOR ASSESSING IMMUNE SYSTEM STATUS - The invention provides a multiparametric method of assessing the reaction of a patient's immune system to a test subject. The invention compares a patient sample reacted with a test sample and a third party sample and combines the assessments of the multiple parameters to correlate the test reaction with a clinical event.	10-09-2014
20150377867	MULTIPARAMETRIC METHOD FOR ASSESSING IMMUNE SYSTEM STATUS - The invention provides a multiparametric method of assessing the reaction of a patient's immune system to a test subject. The invention compares a patient sample reacted with a test sample and a third party sample and combines the assessments of the multiple parameters to correlate the test reaction with a clinical event.	12-31-2015

Rakesh Singh, Maharastra IN

Patent application number	Description	Published
20150362100	Rotary Shouldered Connections and Thread Design - A thread structure in accordance to one or more embodiments includes a thread extending helically along the cylindrical member in spaced thread turns, the thread having a crest extending between a first flank and a second flank and a root extending between the thread turns, the root having a curvature defined by a portion of an ellipse tangentially adjoining the first and second flank at respective flank transition points, the ellipse having a major axis extending parallel to the axis and a minor axis extending perpendicular to the major axis and through a root bottom.	12-17-2015
20150367402	Cold Rolling Devices and Colled Rolled Rotary Shouldered Connection Threads - A method of cold rolling a thread on a tubular support member of a rotary shouldered thread connection includes obtaining an original root depth of a thread root, cold rolling the thread until a minimum increased root depth tolerance is achieved. The thread may be cold rolled with a wheel tip having an elliptical profile.	12-24-2015
20160047223	Fatigue Calculator Generation System - Aspects of the disclosure can relate to a system for tracking fatigue damage experienced by a tool in real-time. The system can include a processor operably coupled to a memory and operable to execute one or more modules to generate master curve fitting coefficients for a connection type associated with a tool component (e.g., a component of a bottom hole assembly). The master curve fitting coefficients can be for a threaded connection master curve, a port hole master curve, and so forth. The processor can also be operable to execute the one or more modules to generate a fatigue calculator for the tool component. The system may receive a real-time trajectory for the tool, determine a curvature from the trajectory of the tool, determine a bending moment based upon the curvature, and determine fatigue damage for the tool component based upon the bending moment using the fatigue calculator.	02-18-2016

Rakesh Singh, Barrington, RI US

Patent application number	Description	Published
20100273763	ORGANOMETALLIC COMPLEXES AS THERAPEUTIC AGENTS - This invention comprises salophene-based metallic complexes. Included are metal-chelating analogues, and method of their preparation and use. These analogues have therapeutic activity including anticancer activity.	10-28-2010
20130023511	ORGANOMETALLIC COMPLEXES AS THERAPEUTIC AGENTS - This invention comprises salophene-based metallic complexes. Included are metal-chelating analogues, and method of their preparation and use. These analogues have therapeutic activity including anticancer activity.	01-24-2013
20140371193	ORGANOMETALLIC COMPLEXES AS THERAPEUTIC AGENTS - This invention comprises salophene-based metallic complexes. Included are metal-chelating analogues, and method of their preparation and use. These analogues have therapeutic activity including anticancer activity.	12-18-2014

Rakesh Singh, Antioch, CA US

Patent application number	Description	Published
20100131339	System and Method to Transform Website User Information into Sales Prospects, Sales Leads and Sales Intelligence - A method collects data about each website user from multiple sources, transforms this data into information suitable for sales leads, analyzes the raw data and the transformed information for multiple related website users, and packages all such relevant information across multiple related website users into sales lead information capsules that can then be distributed individually to third parties.	05-27-2010
20140173011	Methods and systems for structuring information of email messages - Provided are computer implemented methods and systems for structuring information of email messages. An exemplary method comprises receiving an incoming email message. An automatic response is sent to a sender of the incoming email message with a request for information. The requested information is received from the sender and associated with a bin. The bin is structured according to a data model associated with the bin.	06-19-2014

Rakesh Tamrakar, Beijing CN

Patent application number	Description	Published
20110310786	METHOD AND SYSTEM FOR COORDINATED TRANSMISSION AND A MOBILE TERMINAL AND NETWORK SIDE DEVICE - A method and a system for coordinated transmission, and a mobile terminal and network side device are provided. The method for coordinated transmission includes: reporting by the terminal of a signal measurement result; determining the coordinated transmission state of the terminal according to the signal measurement result; and providing transmission service for the terminal according to the determined transmission state.	12-22-2011
20120300709	METHOD OF AND APPARATUS FOR MAPPING TO DEMODULATION REFERENCE SIGNAL PORT - A demodulation reference signal port mapping method is disclosed. The method includes: a base station communicates with a User Equipment (UE), and allocates corresponding data stream to the UE according to the attribution of the UE; the base station maps the corresponding data stream from a layer to a corresponding demodulation reference signal port; the base station transmits the corresponding data stream to the UE via demodulation reference signal port. By restricting the demodulation reference signal port mapping solution of rank=1 to rank=8 and the demodulation reference signal port mapping solution when the retransmission occurs, the technical solution enables the demodulation reference signal port mapping solution to compatible with the present system and to keep lower overhead of the demodulation reference signal.	11-29-2012
20120307935	METHOD AND DEVICE FOR TRANSMITTING/RECEIVING INFORMATION IN CLOSED-LOOP MULTI-ANTENNA SYSTEM - The present invention discloses a method for transmitting information in a closed loop multiple antenna system. The method includes that: a transmission apparatus receives information transmitted from a reception apparatus, wherein the information includes codeword index information; the transmission apparatus selects a corresponding codeword from a double-layer-structure-based codebook according to the codeword index information; the transmission apparatus generates a precoding matrix according to the selected codeword; the transmission apparatus performs precoding for data to be transmitted according to the precoding matrix; the transmission apparatus transmits the precoded data to the reception apparatus. The present invention can enable a formed and used codebook to match channel distribution characteristic of a dual-polarized antenna as much as possible, and minimize performance loss brought by codebook quantization, thereby performance of a precoding system can be effectively improved.	12-06-2012
20130022087	METHOD, APPARATUS AND SYSTEM FOR CONFIGURING DEMODULATION REFERENCE SIGNAL - A method, an apparatus and a system for configuring a Demodulation Reference Signal (DMRS) are disclosed in the present invention. The method includes: receiving a DMRS indication index transmitted from a network side; determining at least one port used for the local transmission of the DMRS; acquiring the predetermined DMRS configuration parameters corresponding to the DMRS indication index and the at least one port, and configuring, according to the DMRS configuration parameters, the DMRS to be transmitted from the at least one port. Therefore, the terminal can implement the configuration of the DMRS without reloading the corresponding configuration information. Thus, the implementation complexity of the DMRS configuration flow is decreased, and the operation load of the terminal is also reduced.	01-24-2013
20130044624	METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION (CSI) BASED ON PHYSICAL UPLINK SHARED CHANNEL (PUSCH) - A method and apparatus for reporting channel state information (CSI) based on a physical uplink shared channel (PUSCH) are used to realize correct reporting of the CSI based on double code books. The method includes the following steps: a reporting mode configuration signaling for the CSI sent from a network side is received, and said reporting mode configuration signaling for the CSI at least carries a designated reporting mode identifier; a first CSI aiming at the whole bandwidth of a system is established according to a reporting type corresponding to said reporting mode identifier; the whole bandwidth of the system is divided into at least two frequency band subclasses, and a second CSI aiming at a designated frequency band subclass is established according to the reporting type corresponding to said reporting mode identifier; and when a reporting indication signaling sent from the network side is received, said first CSI and said second CSI are transmitted to the network side. Therefore, when a user equipment (UE) reports the CSI, a long-term/wideband CSI and a short-term/frequency selective CSI could be considered comprehensively, then a two-level feedback mechanism based on the PUSCH double code books is realized.	02-21-2013
20130163687	Method and Device for Processing Codebook Subset Restriction - The present invention discloses a method and device for processing codebook subset restriction, which includes: the codebooks for every rank of N antenna ports are grouped, wherein N is a natural number; after grouping, the status of each group is identified as restricted or unrestricted by using one bit. The present invention can reduce the signaling overhead needed for codebook subset restriction.	06-27-2013
20130201971	TRANSMISSION METHOD AND APPARATUS FOR NON-PERIODIC SOUNDING REFERENCE SIGNAL(SRS) - The present invention discloses a transmission method and apparatus for non-periodic SRS. eNB configures time-domain configuration parameter of non-periodic SRS through higher layer signalling or downlink physical control channel signalling; terminal equipment transmits non-periodic SRS in indicated time-domain resource. The application of the technical solution of the embodiments of the present invention can reduce signalling consumption through high layer semi-static configuration of time-domain resource of non-periodic SRS. On one hand, flexible non-periodic SRS time-domain transmission is allowed for terminal equipment which can send non-periodic SRS in multiple subframes, which is featured by low sounding delay and great sounding bandwidth; on the other hand, flexible timing mode is also permitted for terminal equipment which brings little restriction to scheduling.	08-08-2013
20130215841	METHOD AND DEVICE FOR REPORTING CHANNEL STATE INFORMATION - The present invention discloses a method and device of reporting channel state information, including: user terminal selects the codebook used in reporting precoding matrix indicator (PMI) from double-stage codebook and selects PMI from the codebook; double-stage codebook involves codebook reflecting long-term/broadband information and that reflecting short-term/frequency selective channel information; and user terminal calculates channel quality indication; therein, when reporting through physical uplink control channel (PUCCH), the parameter used in calculating channel quality indication (CQI) includes the precoding matrix indicator (PMI) reported by user terminal through physical uplink shared channel (PUSCH); when reporting through physical uplink shared channel (PUSCH), the parameter used in calculating CQI includes the precoding matrix indicator (PMI) reported by user terminal through physical uplink control channel (PUCCH); user terminal selects the PMI and calculates CQI according to the specified reporting mode and reporting RI. The present invention can realize double-stage feedback by using the present feedback channel.	08-22-2013
20130343216	METHOD AND DEVICE FOR REPORTING CHANNEL STATE - There is disclosed method for reporting channel state so as to report channel state based upon CSI-RS. The method includes: a UE detecting configuration information of Channel State Information-Reference Signal (CSI-RS), determining according to detection result the number of ports required to report channel state based upon CSI-RS, the UE determining CSI-RS based PMI feedback scheme to be adopted in preset corresponding relationship between the number of ports and feedback scheme upon determining that the eNB is to map data of Physical Downlink Shared Channel (PDSCH) onto P (number) CSI-RS ports for transmission in a codebook-based precoding scheme, wherein the codebook-based precoding scheme is a scheme as represented in the formula of	12-26-2013
20140016496	METHOD AND DEVICE FOR REPORTING CHANNEL QUALITY INFORMATION - A method and a device for reporting channel quality information are provided by the present invention, the method comprising that: measuring, by a user equipment (UE), Channel State Information-Reference Signal (CSI-RS) according to the configuration information of the CSI-RS, to acquire a downlink channel transport matrix (	01-16-2014
20140029463	METHOD FOR REPORTING CHANNEL QUALITY INFORMATION AND DEVICE THEREOF - Disclosed are a method for reporting channel quality information and a device thereof, the method comprising: according to configuration information of a CSI-RS, a user equipment measuring the CSI-RS to acquire a downlink channel transmission matrix; according to a PDSCH transmission scheme used as a basis when determining a Channel Quality Indicator (CQI), and according to the measured downlink channel transmission matrix, the user equipment determining the CQI of a frequency domain reporting unit; and the user equipment reporting the determined CQI to a network side. Through the present invention, the measurement and reporting of the channel quality information based on the CSI-RS is implemented based on transmission of non-PMI feedback.	01-30-2014
20140050276	METHOD FOR TRANSMITTING CHANNEL STATE INFORMATION AND DEVICE THEREOF - Disclosed in an embodiment of the present invention is a method for transmitting channel state information and device thereof. By applying the technical schemes of the embodiment of the present invention, in a LTE-A system using PUCCH reporting mode 1-1, in a situation where PMI feedback for 8 antenna ports is needed to be reported in a sub-frame and PUCCH capacity is limited, therefore codebook compression is required, a corresponding relationship definition of the pre-coding matrix indicator information or the pre-coding matrix indicator information pair and the codebook index or the codebook index pair after codebook compression is provided, thus realizing the feedback and receiving of channel state information between a base station and terminal equipment.	02-20-2014
20140313994	METHOD AND DEVICE FOR TRANSMITTING DOWNLINK CONTROL INFORMATION - Disclosed in the invention are a method and a device for transmitting downlink control information (DCI). The method comprises: processing the downlink control information to generate downlink control information code words; scrambling and modulating the downlink control information code words in turn to generate a modulation symbol sequence; mapping the modulation symbol sequence to v data layers, wherein v is an integer which is more than or equal to 1; mapping modulation symbols on the v data layers to a demodulation reference signal (DMRS) antenna port; and mapping the modulation symbols on the DMRS antenna port to a physical antenna and sending to user equipment (UE). According to the method and the device of the invention, multi-layer data transmission can be supported, the transmission mode is more flexible, and transmission efficiency is higher.	10-23-2014
20140369436	PRECODING MATRIX INDICATOR (PMI) INFORMATION TRANSMISSION METHOD AND DEVICE - Disclosed are a precoding matrix indicator (PMI) information transmission method and device, for realizing the feedback and receiving of PMIs. The PMI information feedback method provided in the present application server includes: UE determining the feedback of a PMI and a feedback mode used for feeding back the PMI; the UE determining a rank indicator (RI) and a precoding matrix in a compressed precoding matrix set and determining an RI and first PMI combined coding information value according to a preset RI and first PMI combined coding information value and a correlation list of RIs and codebook indices; and the UE employing the feedback mode to send the determined RI and first PMI combined coding information value to a base station.	12-18-2014
20150016386	METHOD AND DEVICE FOR DETERMINING EPDCCH RESOURCES - The present disclosure provides a method and an apparatus for determining number of ePDCCH resource units. The method includes: determining number of symbols occupied by PDCCH, number of CRS ports, number of DMRS ports and CSI-RS configuration in a subframe; and determining resources available for transmitting an ePDCCH in PDSCH area of the subframe according to the number of symbols occupied by the PDCCH, the number of CRS ports, the number of DMRS ports and the CSI-RS configuration.	01-15-2015
20150092695	METHOD AND DEVICE FOR E-PDCCH TRANSMISSION AND BLIND DETECTION - The present invention relates to the field of communications, and provides a method and a device for enhanced-physical downlink control channel (E-PDCCH) transmission and blind detection. The method is: a network side carrying out corresponding E-PDCCH transmission resource configuration for allocation of each sub-frame; and a terminal respectively adopting different modes to perform E-PDCCH blind detection in each frame, so that better link adaptation of the E-PDCCH transmission can be implemented. Therefore, the balance of E-PDCCH transmission in sub-frames is ensured, the effect of E-PDCCH blind detection of the terminal is further improved, and the E-PDCCH demodulation performance is further promoted.	04-02-2015
20150189628	BLIND DETECTION MODE DETERMINATION METHOD, BLIND DETECTION METHOD AND DEVICE - Disclosed are a blind detection mode determination method, blind detection method and device, the blind detection mode determination method comprising: a base station determines the E-PDCCH blind detection mode of a terminal in a subframe according to system configuration information and the blind detection capability of the terminal, and informs the terminal of the determined E-PDCCH blind detection mode of the terminal in the subframe. The blind detection method comprises: a terminal determines the E-PDCCH blind detection mode in a subframe, and conducts E-PDCCH blind detection in the subframe according to the determined E-PDCCH blind detection mode. The E-PDCCH blind detection mode of a UE in a subframe is determined according to the resource occupied in a subframe by the system configuration information, enabling the UE to conduct E-PDCCH blind detection in the subframe according to the determined E-PDCCH blind detection mode, thus avoiding unnecessary energy overhead.	07-02-2015
20150208390	METHOD AND DEVICE FOR SENDING AND DETECTING ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL - Disclosed are a method and a device for sending and detecting an enhanced physical downlink control channel (E-PDCCH), relating to the field of wireless communications, and used for solving the problem of how to send downlink control information through the E-PDCCH. In the method, when a current subframe needs to send downlink control information to a terminal by adopting a frequency domain distributed transmission mode, a base station selects, according to the current aggregation level, at least one available distributed E-CCE in a distributed E-PDCCH time frequency resource area of the current subframe, and uses the selected distributed E-CCE to send the downlink control information to the terminal The present application solves the problem of how to transmit downlink control information through the E-PDCCH.	07-23-2015
20150222335	METHOD, SYSTEM AND DEVICE FOR FEEDING BACK AND RECEIVING PMI - The embodiments of the disclosure relate to the technical field of wireless communications, and particularly relate to a method, a system and a device for feeding back and receiving a Pre-coding Matrix Indicator (PMI), which is used for feeding back a vertical dimension PMI. The method for feeding back the PMI provided by the embodiments of the disclosure comprises: confirming the PMI needed to be fed back, wherein the PMI comprises a horizontal dimension PMI and a vertical dimension PMI, or a PMI combined by horizontal dimension and vertical dimension (	08-06-2015
20150280798	METHOD, SYSTEM AND DEVICE FOR TRANSMITTING PRE-CODED INDICATION INFORMATION AND DETERMINING PRE-CODING MATRIX - An embodiment of the present application relates to the technical field of wireless communications, in particular to a method, system and device for transmitting pre-coded indication information and determining a pre-coding matrix. In the prior art, the existing codebook is designed for horizontal beamforming/pre-coding, and will reduce the performance thereof if directly applied in three-dimensional beamforming/pre-coding technique. The present application solves the problem. The method in the embodiment of the present application comprises: a user equipment (UE) determines and transmits first pre-coded indication information and second pre-coding indication information, the pre-coding matrix being equal to the function matrix of a first component pre-coding matrix and a second component pre-coding matrix, a sub-matrix on the diagonal of the first component pre-coding matrix being the Kronecker product of two diagonal matrixes, the second component pre-coding matrix being formed by a beam rotation vector equaling to the Kronecker product of two vectors. The embodiment of the present application improves the performance of the three-dimensional beamforming/pre-coding technique.	10-01-2015
20150280875	METHOD, DEVICE, AND SYSTEM FOR TRANSMITTING REFERENCE SIGNAL - The present invention relates to the technical field of radio communications, and specifically relates to a method, device, and system for transmitting a reference signal, for use in solving the problem in the prior art that vertical-dimension channel estimation cannot be supported and thus 3D beamforming is not supported. The method of embodiments of the present invention comprises: a network side determines a subframe (	10-01-2015

Rakesh Thoutem, Austin, TX US

Patent application number	Description	Published
20130086318	SAFE MANAGEMENT OF DATA STORAGE USING A VOLUME MANAGER - A method, system, and computer program product for safe management of data storage using a VM are provided in the illustrative embodiments. An I/O request is received from the VM. A determination is made whether the I/O request requests a data manipulation on the data storage in an address range that overlaps with an address range of a VM signature stored on the data storage. In response to determining that the address range of the data manipulation overlaps with the address range of the VM signature, a determination is made whether an identifier of the VM matches an identifier of a second VM associated with the signature. In response to determining that the identifier of the VM does not match the identifier of the second VM, the I/O request is failed, thereby preventing an unsafe overwriting of the signature on the data storage.	04-04-2013

Rakesh Vattikonda, San Diego, CA US

Patent application number	Description	Published
20140177310	PSEUDO-NOR CELL FOR TERNARY CONTENT ADDRESSABLE MEMORY - A method within a ternary content addressable memory (TCAM) includes receiving a match line output from a previous TCAM stage at a gate of a pull-up transistor of a current TCAM stage and at a gate of a pull-down transistor of the current TCAM stage. The method sets a match line bar at the current TCAM stage to a low value, via the pull-down transistor, when the match line output from the previous TCAM stage indicates a mismatch. The method also sets the match line bar at the current TCAM stage to a high value, via the pull-up transistor, when the match line output from the previous TCAM stage indicates a match.	06-26-2014
20140185348	HYBRID TERNARY CONTENT ADDRESSABLE MEMORY - A method within a hybrid ternary content addressable memory (TCAM) includes comparing a first portion of a search word to a first portion of a stored word in a first TCAM stage. The method further includes interfacing an output of the first TCAM stage to an input of the second TCAM stage. The method also includes comparing a second portion of the search word to a second portion of the stored word in a second TCAM stage when the first portion of the search word matches the first portion of the stored word. The first TCAM stage is different from the second TCAM stage.	07-03-2014
20140185349	STATIC NAND CELL FOR TERNARY CONTENT ADDRESSABLE MEMORY (TCAM) - A static, ternary content addressable memory (TCAM) includes a key cell and a mask cell coupled to intermediate match lines. The key cell is coupled to a first pull-down transistor and a first pull-up transistor. The mask cell is coupled to a second pull-down transistor and a second pull-up transistor. The first pull-down transistor and second pull-down transistor are connected in parallel and the first pull-up transistor and second pull-up transistor are connected in series. A match line output is also coupled to the first pull-down transistor and second pull-down transistor and further coupled to the first pull-up transistor and second pull-up transistor.	07-03-2014
20140219039	WRITE DRIVER FOR WRITE ASSISTANCE IN MEMORY DEVICE - A write assist driver circuit is provided that assists a memory cell (e.g., volatile memory bit cell) in write operations to keep the voltage at the memory core sufficiently high for correct write operations, even when the supply voltage is lowered. The write assist driver circuit may be configured to provide a memory supply voltage VddM to a bit cell core during a standby mode of operation. In a write mode of operation, the write assist driver circuit may provide a lowered memory supply voltage VddM	08-07-2014
20140253201	PULSE GENERATION IN DUAL SUPPLY SYSTEMS - Various apparatuses and methods are disclosed. The system describes a pulse generator comprising a first stage configured to be powered by a first voltage; and a second stage configured to be powered by a second voltage different from the first voltage, wherein the second stage is further configured to generate a pulse in response to an input to the first stage comprising a trigger and feedback from the second stage.	09-11-2014
20140254293	HIGH-SPEED MEMORY WRITE DRIVER CIRCUIT WITH VOLTAGE LEVEL SHIFTING FEATURES - Various aspects of a fast, energy efficient write driver capable of efficient operation in a dual-voltage domain memory architecture are provided herein. Specifically, various aspects of the write driver described herein combine a high speed driver with voltage level shifting capabilities that may be implemented efficiently in reducing use of silicon area while using lower power. The write driver circuit shifts or adjusts voltage levels between a first voltage domain to a second voltage domain. In one example, the write driver circuit is coupled to a global write bitline and a local write bitline that is coupled to one or more bitcells (of SRAM memory). The write driver circuit converts a first voltage level at the global write bitline to a second voltage level at the local write bitline during a write operation.	09-11-2014
20140269112	APPARATUS AND METHOD FOR WRITING DATA TO MEMORY ARRAY CIRCUITS - A write driver for a memory circuit includes a control circuit configured to: operate a first push-pull driver to generate a first drive signal in a first voltage domain at a first node based on an input signal in a second domain and in response to a mode select signal being in a first mode, wherein the first drive signal is at a same logic level as the input signal; operate a second push-pull driver to generate a second drive signal in the first voltage domain at a second node based on the input signal and in response to the mode select signal being in the first mode, wherein the second drive signal is at a complement logic level with respect to the input signal; and operate the first and second push-pull drivers to float the first and second nodes in response to the mode select signal being in a second mode.	09-18-2014
20150029782	WIDE RANGE MULTIPORT BITCELL - A multiport bitcell including a pair of cross-coupled inverters is provided with increased write speed and enhanced operating voltage range by the selective isolation of a first one of the cross-coupled inverters from a power supply and ground during a write operation. The write operation occurs through a write port that includes a transmission gate configured to couple a first node driven by the first cross-coupled inverter to a write bit line. A remaining second cross-coupled inverter in the bitcell is configured to drive a second node that couples to a plurality of read ports.	01-29-2015
20150085554	STATIC NAND CELL FOR TERNARY CONTENT ADDRESSABLE MEMORY (TCAM) - A static, ternary content addressable memory (TCAM) includes a key cell and a mask cell coupled to intermediate match lines. The key cell is coupled to a first pull-down transistor and a first pull-up transistor. The mask cell is coupled to a second pull-down transistor and a second pull-up transistor. The first pull-down transistor and second pull-down transistor are connected in parallel and the first pull-up transistor and second pull-up transistor are connected in series. A match line output is also coupled to the first pull-down transistor and second pull-down transistor and further coupled to the first pull-up transistor and second pull-up transistor.	03-26-2015
20150221346	AREA EFFICIENT MULTIPORT BITCELL - A multiport bitcell apparatus includes a plurality of word lines for enabling writing and reading operations. The word lines include a first set of word lines extending across the bitcell on a first metal layer. The word lines further include a second set of word lines extending across the bitcell on a second metal layer. The word lines further include a third set of word lines extending across the bitcell on both the first metal layer and the second metal layer. The third set of word lines may include a first word line that extends on a first metal track and a second metal track, and a second word line that extends on the second metal track and a third metal track. The first metal layer may be an M2 layer and the second metal layer may be an M3 layer.	08-06-2015
20150303921	WIDE-RANGE LEVEL-SHIFTER - A level-shifter is provided with PMOS stacks that are selectively weakened or strengthened depending upon the binary state of an input signal.	10-22-2015
20150310901	MEMORY WITH A SLEEP MODE - A memory and a method for operating the memory having a sleep mode are provided. The memory one or more storage elements and a bitline coupled to the one or more storage elements. A precharge circuit is configured to precharge the bitline during a precharge period and float the bitline during a sleep mode. An operating circuit coupled to the one or more storage elements, wherein at least one of the operating circuit and the one or more storage elements being configured to remain electrically coupled to a supply voltage in the sleep mode.	10-29-2015

Rakesh Vikraman Nair Rema, Downers Grove, IL US

Patent application number	Description	Published
20130317210	Tagatose production using simulated moving bed separation - Disclosed is a process for the production of d-tagatose from lactose after acid hydrolysis to provide a hydrolysate having 1 equiv of d-glucose and 1 equiv of d-galactose for each unit of lactose converted. More particularly, the invention relates to a process for the isomerization of d-galactose to d-tagatose and the use of a simplified separation scheme based on simulated moving bed (SMB) separation. The isomerization of d-galactose to d-tagatose is carried out in the presence of calcium oxide or calcium hydroxide. The process is useful for providing a simplified processing route to providing pure d-tagatose and glucose as two products from lactose hydrolysate. In an alternate embodiment, a process is disclosed for the production of d-tagatose from fermented lactose hydrolysate to provide a crystallized d-tagatose product. D-tagatose is useful as a food additive, as a sweetener, as a texturizer, as a stabilizer, or as a humectant.	11-28-2013
20150129501	FLASH CHROMATOGRAPHY COLUMN APPARATUS - A flash chromatography apparatus which provides an improved apparatus for large and medium commercial scale flash chromatography columns. More particularly, the invention relates to a flash chromatography column and cartridge system for positioning and ease of loading and unloading of stationary phase agent in the flash chromatography column. The flash chromatography column further provides flow distributors to support the stationary phase and permit plug flow through the column. The apparatus of the present is modular and can be disposed in any configuration to reduce maintenance cost and downtime in a commercial installation. Flash chromatography is widely used for purification of low molecular weight organic compounds and products of organic synthetic reactions.	05-14-2015

Rakesh Vilraman Nair Rema, Downers Grove, IL US

Patent application number	Description	Published
20140275518	L-GLUCOSE PRODUCTION FROM L-GLUSOSE/L-MANNOSE MIXTURES USING SIMULATED MOVING BED SEPARATION - Disclosed is a process for the production of L-glucose from a mixture of L-mannose and L-glucose to provide a high purity L-glucose product. More particularly, the invention relates to a process for the isomerization of mixtures of L-mannose and L-glucose to favor the epimerization or transformation of the L-mannose into L-glucose combined with the selective removal of impurities and the selective separation of L-glucose by a multi-stage simulated moving bed SMB separation process integrating ion exclusion and isomer separation. The process is useful for providing a simplified and economic continuous processing route to providing pure L-glucose from mixtures of L-glucose and L-mannose in the presence of inorganic and organic salts and other sugars such as L-arabinose. L-glucose is useful as a sweetener, a laxative and as a therapeutic agent.	09-18-2014

Rakesh Voggu, Bangalore IN

Patent application number	Description	Published
20120286215	METHODS AND COMPOSITIONS FOR THE SEPARATION OF SINGLE-WALLED CARBON NANOTUBES - Embodiments herein describe a composition including at least one water-soluble complex having a water-soluble separation agent including a planar portion, at least one pi electron on the planar portion and at least one electron withdrawing group; and a semiconducting single-walled carbon nanotube in an aqueous solution. Further embodiments describe a method of separating metallic single-walled carbon nanotubes and semiconducting single-walled carbon nanotubes including providing carbon nanotubes having an admixture of semiconducting single-walled carbon nanotubes and metallic single-walled carbon nanotubes; and combining the admixture with a water-soluble separation agent in an aqueous solution to form a mixture, in which the water-soluble separation agent includes a planar portion, at least one pi electron on the planar portion and at least one electron withdrawing group.	11-15-2012