Chivukula
Kameswar R. Chivukula, Hyderabad IN
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20150203506 | PROCESS FOR PREPARATION OF DARUNAVIR - Provided are a process for preparation of darunavir or solvates or a pharmaceutically acceptable salt thereof substantially free of bisfuranyl impurities and a process for preparation of amorphous darunavir using the darunavir propionate solvate. | 07-23-2015 |
Koundinya Chivukula, Bangalore IN
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20100275262 | Autonomous Diagnosis And Mitigation Of Network Anomalies - Autonomous diagnosis and mitigation of network anomalies may include creating a plurality of sketch matrices wherein each sketch matrix corresponds to an individual hashing function and each row in each sketch matrix corresponds to an array of hashed parameters of interest from multiple network devices for a given period of time, the parameters of interest being configurable by an administrator. A principal components analysis (PCA) input matrix is created for each of the sketch matrices by computing an entropy value for each element in the sketch matrices, and principal components analysis (PCA) is performed on each of the PCA input matrices to heuristically detect a network anomaly in real time. | 10-28-2010 |
Narasimha Sastry Chivukula, Anaheim, CA US
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20090217295 | SYSTEM AND METHOD FOR EXTENSIBLE DOCUMENT PROCESSING - The subject application is directed to a system and method for extensible document processing. The startup of a plurality of document processing services on an associated document processing device is controlled via a service startup manager. Each of the document processing services is then interfaced with a control system via a device level interface. Data is communicated between the device level interface and an external data processing device via an agent layer interface. The agent layer interface is registered with the service startup manager. A startup of the document processing device is then commenced in accordance with the control of the service startup manager. A document processing control display is generated on a user interface associated with the document processing device, with the display including indicia corresponding to one of the functions of the external data processing device according to the agent layer interface. | 08-27-2009 |
Padmanabh Chivukula, San Diego, CA US
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20120094924 | NUCLEIC ACID DELIVERY COMPOUNDS - Polymers including two or more different recurring units are disclosed herein. Also disclosed herein are methods of using such polymers to deliver nucleic acids to a cell. | 04-19-2012 |
20120107264 | NUCLEIC ACID DELIVERY COMPOUNDS - Polymers including two or more different recurring units are disclosed herein. Also disclosed herein are methods of using such polymers to deliver nucleic acids to a cell. | 05-03-2012 |
20150141678 | IONIZABLE CATIONIC LIPID FOR RNA DELIVERY - What is described is a compound of formula (1) | 05-21-2015 |
Radhakrishna Chivukula, Bietigheim-Bissingen DE
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20130235381 | Detection of Raindrops on a Pane by Means of a Camera and Lighting - The invention relates to a device or a method for detecting rain ( | 09-12-2013 |
Raghu R. Chivukula, Baltimore, MD US
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20110301226 | COMPOSITIONS AND METHODS FOR TREATING HEPATIC NEOPLASIA - The present invention provides compositions and methods featuring miR-26 microRNA polynucleotides for the diagnosis, treatment or prevention of hepatic neoplasia. | 12-08-2011 |
Ravi Kiran Chivukula, San Diego, CA US
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20090094038 | EFFICIENT DESIGN OF MDCT / IMDCT FILTERBANKS FOR SPEECH AND AUDIO CODING APPLICATIONS - A more efficient encoder/decoder is provided in which an N-point MDCT transform is mapped into smaller sized N/2-point DCT-IV and/or DCT-II transforms with isolated pre-multiplications which can be moved to a prior or subsequent windowing stage. That is, the windowing operations may be merged with first/last stage multiplications in the core MDCT/IMDCT functions, respectively, thus reducing the total number of multiplications. Additionally, the MDCT may be systematically decimated by factor of 2 by utilizing a uniformly scaled 5-point DCT-II core function as opposed to the DCT-IV or FFT cores used in many existing MDCT designs in audio codecs. The modified windowing stage merges factors from a transform stage and windowing stage to obtain piece-wise symmetric windowing factors, which can be represented by a sub-set of the piece-wise symmetric windowing factors to save storage space. Such features offer appreciable reduction in complexity and less memory usage than the prior art. | 04-09-2009 |
20090099844 | EFFICIENT IMPLEMENTATION OF ANALYSIS AND SYNTHESIS FILTERBANKS FOR MPEG AAC AND MPEG AAC ELD ENCODERS/DECODERS - An encoder may include a core MDCT filterbank that can be used to implement an advanced audio coding (AAC) algorithm, an AAC-enhanced low delay (ELD) algorithm or both algorithms. For the AAC algorithm, a sequence of input samples is sent directly to the MDCT filterbank to obtain a sequence of output samples. For the AAC-ELD algorithm, the signs of input samples of the sequence of input samples are inverted, the MDCT analysis filterbank is applied to the sign-inverted sequence of input samples to obtain a sequence of output samples, the order of the sequence of output samples is reversed, and the signs of alternating output samples of the sequence of output samples are inverted. Similarly, a decoder may include a core IMDCT synthesis filterbank that can be used to implement AAC-ELD or both AAC and AAC-ELD algorithms. The steps for the decoder are merely the reverse of the encoder. | 04-16-2009 |
20090157785 | FAST ALGORITHMS FOR COMPUTATION OF 5-POINT DCT-II, DCT-IV, AND DST-IV, AND ARCHITECTURES - A more efficient encoder/decoder is provided in which an N-point MDCT transform is mapped into smaller sized N/2-point DCT-IV, DST-IV and/or DCT-II transforms. The MDCT may be systematically decimated by factor of 2 by utilizing a uniformly scaled 5-point DCT-II core function as opposed to the DCT-IV or FFT cores used in many existing MDCT designs in audio codecs. Various transform factorizations of the 5-point transforms may be implemented to more efficiently implement a transform. | 06-18-2009 |
20100172409 | LOW-COMPLEXITY TRANSFORMS FOR DATA COMPRESSION AND DECOMPRESSION - This disclosure describes the use of non-dyadic discrete cosine transform (DCT) sizes for performing a DCT. Similarly, this disclosure describes the use of non-dyadic inverse discrete cosine transform (IDCT) sizes for performing an IDCT. Using non-dyadic transform sizes may be less computationally expensive compared to using conventional dyadic transform sizes. Aspects of this disclosure may be useful in any device or system that performs a DCT or IDCT. | 07-08-2010 |
20100262427 | LOW COMPLEXITY SPECTRAL BAND REPLICATION (SBR) FILTERBANKS - A complex analysis filterbank is implemented by obtaining an input audio signal as a plurality of N time-domain input samples. Pair-wise additions and subtractions of the time-domain input samples is performed to obtain a first and second groups of intermediate samples, each group having N/2 intermediate samples. The signs of odd-indexed intermediate samples in the second group are then inverted. A first transform is applied to the first group of intermediate samples to obtain a first group of output coefficients in the frequency domain. A second transform is applied to the second group of intermediate samples to obtain an intermediate second group of output coefficients in the frequency domain. The order of coefficients in the intermediate second group of output coefficients is then reversed to obtain a second group of output coefficients. The first and second groups of output coefficients may be stored and/or transmitted as a frequency domain representation of the audio signal. | 10-14-2010 |
20120307893 | FAST COMPUTING OF DISCRETE COSINE AND SINE TRANSFORMS OF TYPES VI AND VII - This disclosure presents techniques for implementing a fast algorithm for implementing odd-type DCTs and DSTs. The techniques include the computation of an odd-type transform on any real-valued sequence of data (e.g., residual values in a video coding process or a block of pixel values of an image coding process) by mapping the odd-type transform to a discrete Fourier transform (DFT). The techniques include a mapping between the real-valued data sequence to an intermediate sequence to be used as an input to a DFT. Using this intermediate sequence, an odd-type transform may be achieved by calculating a DFT of odd size. Fast algorithms for a DFT may be then be used, and as such, the odd-type transform may be calculated in a fast manner | 12-06-2012 |
Srinivas Chivukula, Bangalore IN
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20140105103 | Offloaded Security as a Service - In one implementation, traffic in a mobile network is offloaded to a security as a service server or a cloud server. A mobile access gateway (MAG) in the mobile network identifies one or more mobile nodes that are configured for communication on the mobile network. The MAG receives a message that includes an address of a mobile node and sends a request based on the message to the security as a service server. The MAG forwards traffic flows to the security as a service server according to the message, which is configured to detect an indication of malicious software in the traffic flows and/or filter content of the traffic flows according to a user profile. | 04-17-2014 |
20140237539 | Identity Propagation - In one implementation, identity based security features and policies are applied to endpoint devices behind an intermediary device, such as a network address translation device. The access network switch authenticates an endpoint based on a user identity and a credential. A hypertext transfer protocol (HTTP) packet is generated or modified to include the user identity in an inline header. The HTTP packet including the user identity is sent to a policy enforcement device to look up one or more policies for the endpoint. The access switch receives traffic from the policy enforcement device that is filtered according the user identity. Subsequent TCP connections may also include identity information within the TCP USER_HINT option in a synchronization packet thus allowing identity propagation for other applications and protocols. | 08-21-2014 |
Srivatsa V. Chivukula, San Diego, CA US
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20130260736 | APPARATUS AND METHOD FOR SIGNALING NETWORK CAPABILITIES FOR A WIRELESS DEVICE - Methods and apparatus for wireless communication in a wireless communication network include maintaining a Public Land Mobile Network (PLMN) list and receiving an information request from a network, wherein the information request is associated with configuration parameters associated with the PLMN list. Aspects of the methods and apparatus configuring the UE based on the configuration parameters associated with the PLMN list. Aspects also include replying to the network that the UE is configured with the configuration parameters associated with the PLMN list. | 10-03-2013 |
20140177429 | TECHNIQUES FOR REDUCING NETWORK CONGESTION IN A WIRELESS COMMUNICATIONS SYSTEM - Methods, systems, and devices are described for reducing congestion in a wireless communications system. A second connection failure is detected, and a difference between a timestamp of the second connection failure and a timestamp of a first connection failure is calculated. Upon determining that the difference satisfies a first time threshold, information relating to one or more previous connection failures is cleared. A time period is identified. A number of connection failures from a cell that occur during the time period is identified. A determination is made as to whether the number of connection failures satisfies a threshold. Upon determining that the number of connection failures satisfies the threshold, a future connection request may be withheld for a time period. | 06-26-2014 |
Srivatsa Venkata Chivukula, San Diego, CA US
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20150105066 | ADDRESSING RADIO LINK FAILURES IN WIRELESS COMMUNICATION SYSTEMS - Methods and apparatus for enhanced radio resource control (RRC) reestablishment in a communication system include addressing repeated radio link failures (RLFs). For example, the methods and apparatus include incrementing a counter value associated with a first cell based on a detection of a RLF by a user equipment (UE) in a RRC connected state with the first cell. The methods and apparatus further include determining that the counter value meets or exceeds a first barring threshold value within a cell barring evaluation time duration. Additionally, the methods and apparatus include prohibiting the UE from performing an RRC reestablishment procedure with the first cell for a first barring time duration. | 04-16-2015 |
Sudheer Chivukula, Karnataka IN
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20100285143 | ORALLY ADMINISTERABLE SOLID PHARMACEUTICAL COMPOSITION AND A PROCESS THEREOF - The invention relates to improvised pharmaceutical compositions permitting ingestion via oral delivery of proteins/peptides or their conjugates, and/or cation-insulin conjugate complexes demonstrating desirable pharmacokinetic profiles and potency in efficacy models of diabetes in dogs and humans. A preferred formulation comprises 0.01%-20% w/w of insulin, insulin compound conjugates and/or cation insulin conjugates, 10%-60% w/w of one or more fatty acid components selected from saturated or unsaturated C4-C12 fatty acids and/or salts of such fatty acids and additionally contains optimal amounts of other pharmaceutically suitable polymer excipients which permit improved solubility, dissolution rate and effective bioavailability of poorly water soluble compositions and consistent in-vivo release profiles upon scalability during manufacture. A further aspect of the invention features the process of preparing the aforesaid formulations. | 11-11-2010 |
Suraj Chivukula, Somerset, NJ US
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20110056865 | Product Container Including Surface with Bumps - A product container ( | 03-10-2011 |
Vasanta Chivukula, Nepean CA
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20110206007 | Active Set Management Enhancement for Reliable Soft Handoff in 1XEV-DO System - A method and system for connection management in a wireless data network, such as a 1×EV-DO network adds connections to new network sectors upon receipt of a connection request from an active terminal, but removes data connections that the active terminal requests to be dropped only after confirmation from the active terminal that a channel allocation message has been received and applied. The active network maintains an active set of connections that is at least as large as the active set maintained by the active terminal and does not initiate a connection termination if no confirmation of the channel allocation message is received. This allows for a reduction in the number of dropped connections. | 08-25-2011 |
20120127943 | Method and System for Reducing Connection Set-Up Time - A method of connection setup in mobile wireless data communications systems is disclosed where the connection setup time is decreased for delay-sensitive communications sessions relative to the normal connection setup time for confidence-dependent communications sessions. This is achieved by performing some of the connection set-up steps for delay-sensitive communications sessions after successfully demodulating a smaller number of indications identifying an access terminal's desired serving resource than would be demodulated in the case of a confidence-dependent communication session prior to performing the same connection set-up steps. | 05-24-2012 |
Venkata B. Chivukula, Webster, NY US
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20120308286 | SIMPLIFIED BELT SEAM SKIP IN CONTINUOUS WEB FEED MACHINES - A system that avoids any stopping or reversing of the web direction in a continuous feed printer, instead maintaining consistent process speed, only requiring a slowing and speeding up of the web to cycle through the PR belt seam. This is done by forming a web loop and then immediately flattening the loop after passage of the seam through the transfer zone that includes two transfer BTR rolls with alternating transfer operations, but simultaneous transfer for short periods. Two vacuum assist rolls, one located between the two bias transfer rolls controls the formation of the web loop. A pair of nip forming rolls upstream of the first transfer station and a second vacuum assist roll downstream of the second transfer station control the size of the loop. | 12-06-2012 |
20130328961 | Inkjet Printer having an Image Drum Heater and Cooler - An inkjet offset printer includes a heated drum assembly having a hollow drum with an internal surface defining an internal cavity and a heater and a cooler located in the internal cavity. The heater includes at least one ceramic heater element. The cooler includes a slot to direct an air stream to the internal surface of the drum and aids in quenching the heating element for faster control responses. | 12-12-2013 |
20130330703 | METHOD AND SYSTEM FOR MANAGING SURVEYS - A method, a system, and a computer program product for creating and conducting a survey are disclosed. While creating the survey, one or more answer formats corresponding to each of the one or more questions are defined. Then, answering mediums corresponding to each of the one or more answer formats are defined. The survey is then created based on at least one of the questions, the answer formats, and the answering mediums. The survey is then available to the associated users. While conducting the survey, the system receives answers for the questions in the survey through the answering mediums in their associated answer format, and compiles a survey report. | 12-12-2013 |
20140198163 | Inkjet Printer Having An Image Drum Heater And Cooler - An inkjet offset printer includes a heated drum assembly having a hollow drum with an internal surface defining an internal cavity and a heater and a cooler located in the internal cavity. The heater includes at least one ceramic heater element. The cooler includes a slot to direct an air stream that is normal to the internal surface of the drum that aids in quenching the heating element for faster control responses. | 07-17-2014 |
Venkata Bharadwaj Chivukula, Webster, NY US
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20120251148 | VACUUM DRIVE FOR WEB CONTROL AT PHOTORECEPTOR - Systems and a method for image forming systems to skip over the non-printing photoreceptor area in order to not skip a label position on a continuous print web medium. A vacuum assembly is coupled to a controller that controls different vacuum pressures at each vacuum roller therein. The vacuum rollers provide drag and drive forces to skip a seam of the photoreceptor and a residual length based on the number and size of images on the photoreceptor. | 10-04-2012 |
20130138234 | MEDIA-BASED SYSTEM FOR FORMING THREE-DIMENSIONAL OBJECTS - Embodiments described herein are directed to generating physical three-dimensional color-accurate objects based on a 3D computer-based color model using printed layers of media. Embodiments can slice a 3D computer-based color model into 3D cross-sectional components, which retain the color information of the model. The 3D cross-sectional segments can be converted into 2D page images and the color information can be included in a plan image corresponding to the cross-sectional segments. Embodiments can print the page images to form cross-sectional prints which can be layered and trimmed to shape the prints into a color accurate physical object that represents the model. | 05-30-2013 |