Namkoong
Gon Namkoong, Yorktown, VA US
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20110232731 | HIGH EFFICIENCY HYBRID ORGANIC-INORGANIC PHOTOVOLTAIC CELLS - Devices including photovoltaic cells and methods of manufacture are disclosed. A photovoltaic cell includes a first electrode layer, at least one photoactive layer disposed on first electrode layer, a second electrode layer disposed on the photoactive layer, at least one first carrier collector structure with a first work function electrically coupled to the first electrode layer and extending partially in to the photoactive layer, and at least one second carrier collector structure with a second work function electrically coupled to the second electrode layer and extending partially into the photoactive layer. In the cell, the first carrier collector structure extends towards the second electrode layer without physically contacting the second carrier collector structure, and the second carrier collector structure extends towards the first electrode layer without physically contacting the first carrier collector structure. Further, at least one of the first and second electrode layers is optically transparent. | 09-29-2011 |
20120034410 | MULTIPLE WALLED NESTED COAXIAL NANOSTRUCTURES - Multiple walled nested coaxial nanostructures, methods for making multiple walled nested coaxial nanostructures, and devices incorporating the coaxial nanostructures are disclosed. The coaxial nanostructures include an inner nanostructure, a first outer nanotube disposed around the inner nanostructure, and a first annular channel between the inner nanostructure and the first outer nanotube. The coaxial nanostructures have extremely high aspect ratios, ranging from about 5 to about 1,200, or about 300 to about 1200. | 02-09-2012 |
20150136733 | MULTIPLE WALLED NESTED COAXIAL NANOSTRUCTURES - Multiple walled nested coaxial nanostructures, methods for making multiple walled nested coaxial nanostructures, and devices incorporating the coaxial nanostructures are disclosed. The coaxial nanostructures include an inner nanostructure, a first outer nanotube disposed around the inner nanostructure, and a first annular channel between the inner nanostructure and the first outer nanotube. The coaxial nanostructures have extremely high aspect ratios, ranging from about 5 to about 1,200, or about 300 to about 1200. | 05-21-2015 |
Hoon Namkoong, Seoul KR
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20120128191 | PORTABLE TERMINAL WITH DUCT FOR TRANSMITTER - Provided is a portable terminal including a microphone hole formed to perforate from an outer wall of a housing to an inner wall of the housing, a duct groove extending from an inner side of the housing and being open on a top surface thereof, a microphone holder coupled with the top surface of the duct groove, and a microphone coupled with the microphone holder, in which a duct connected to the microphone hole is formed by coupling the microphone holder with the duct groove, and the microphone is connected with the microphone hole through the duct. The duck is formed by coupling the duct groove formed in the housing of the terminal with the microphone holder coupled with the microphone, thereby smoothly delivering input sound such as user's voice to the microphone and contributing to the slimness of the terminal. | 05-24-2012 |
Hun Namkoong, Seongnam-Si KR
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20150319141 | UNSEND FEATURE IN MESSAGING APPLICATIONS - A message generated at a sender device is received at a messaging server via a network. The message is transmitted to a recipient device, where it is displayed in a modified format at least partly obscuring content of the message. A command is received from the sender device to unsend the transmitted message after transmitting the message to the recipient device. The messaging server determines whether the message has been displayed in an unobscured form at the recipient device, and, responsive to the message not having been displayed in the unobscured form at the recipient device, transmits a command to the recipient device to delete the message at the recipient device. | 11-05-2015 |
Hwan Namkoong, Seoul KR
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20150041973 | SEMICONDUCTOR DEVICES INCLUDING UNITARY SUPPORTS - A semiconductor device includes a plurality of cylindrical structures located at vertices and central points of a plurality of hexagons in a honeycomb pattern, and a unitary support having a plurality of openings. Each of the openings exposes a part each of four of the cylindrical structures. Each of the openings has the shape of a parallelogram or an oval substantially. A first distance between opposite cylindrical structures of a first pair of the four cylindrical structures exposed by each opening is shorter than a second distance between opposite cylindrical structures of a second pair of the four cylindrical structures exposed by the opening. The first distance is equal to a distance between the central point and each of the vertices of the hexagon. | 02-12-2015 |
Hyuk Namkoong, Suwon-Si KR
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20090157815 | MOBILE DEVICE FOR PROVIDING BLOG SERVICE AND METHOD FOR PROVIDING BLOG SERVICE USING THE SAME - A mobile device for providing a blog service and a method and system for providing the blog service. The mobile device that operates as a blog providing server includes: a unit for obtaining raw data; a storage unit storing the raw data and blog information; and a blog editor generating/editing a blog page by using the raw data and the blog information. | 06-18-2009 |
20090198763 | METHOD AND SYSTEM FOR PROVIDING BLOG SERVICE BY USING MOBILE TERMINAL, AND MOBILE BLOG CASTER THEREFOR - A method and system to provide a blog by using a mobile terminal, and a mobile blog (MB) caster therefor, the method including: receiving blog data including one or more pieces of downsized data from an MB caster; selecting a piece of downsized data from among the one or more pieces of downsized data; obtaining metadata corresponding to the selected piece of downsized data; accessing a web blog server; and downloading original data corresponding to the metadata from the web blog server. Since the blog is created and provided by using the downsized data, instead of the original data, a blog server operation can be realized by using only existing mobile devices. Furthermore, the mobile terminal does not have to be connected to the Internet (or the web blog server) for a blog service. Also, it is possible to provide the blog at very high speed. | 08-06-2009 |
Hyun Namkoong, Anyang-Si KR
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20110037141 | Semiconductor Device and Method of Fabricating the Same - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region. | 02-17-2011 |
20110175149 | Semiconductor Device and Method of Fabricating the Same - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region. | 07-21-2011 |
20120286369 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region. | 11-15-2012 |
20130320461 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region. | 12-05-2013 |
20150137320 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region. | 05-21-2015 |
20150179799 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region. | 06-25-2015 |
Jinyung Namkoong, San Jose, CA US
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20110063010 | RECTIFYING AND LEVEL SHIFTING CIRCUIT - A circuit includes a differential circuit having at least to two inputs, a first variable impedance circuit, and a second variable impedance circuit. The first variable impedance circuit is between a first branch of the differential circuit and an output. The first variable impedance circuit provides a first variable impedance. The a second variable impedance circuit is between a second branch of the differential circuit and the output. The second variable impedance circuit provides a second variable impedance. The first variable impedance and the second variable impedance vary in accordance with a voltage difference between the two inputs. | 03-17-2011 |
20110133788 | DUAL FUNCTION VOLTAGE AND CURRENT MODE DIFFERENTIAL DRIVER - A dual function differential driver includes a voltage mode differential driver portion and a current mode differential driver portion. Control circuitry is connected to the voltage mode differential driver portion and the current mode differential driver portion. The control circuitry switches the dual function differential driver between operation as a voltage mode differential driver and operation as a current mode differential driver. | 06-09-2011 |
Kak Namkoong, Yongin-Si KR
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20110033919 | METHOD OF REDUCING TEMPERATURE DIFFERENCE BETWEEN A PAIR OF SUBSTRATES AND FLUID REACTION DEVICE USING THE SAME - A method of reducing a temperature difference between a high-temperature and a low-temperature substrate includes interposing a heat transfer facilitating layer which has a higher thermal conductivity than air and can hold particles between the substrates, and maintaining close contact between the high-temperature substrate, the heat transfer facilitating layer, and the low-temperature substrate, wherein formation of an air layer can be at least substantially prevented between the high-temperature substrate and the heat transfer facilitating layer, and between the low-temperature substrate and the heat transfer facilitating layer. A fluid reaction device includes a microfluidic reaction chip which accommodates a fluid, a heater, and a heat transfer facilitating layer which is interposed between the microfluidic reaction chip and the heater, the heat transfer facilitating layer has a higher thermal conductivity than air and can hold particles, wherein formation of an air layer can be prevented. | 02-10-2011 |
20120039770 | MICROFLUIDIC DEVICE INCLUDING MICROVALVE - A microfluidic device including at least one microvalve which controls a flow of a fluid, where the at least one microvalve includes: a pneumatic layer, a fluidic layer disposed opposite to the pneumatic layer; an elastomer membrane disposed between the pneumatic layer and the fluidic layer; and an asymmetric valve seat protruding from a surface of the fluidic layer toward a surface of the elastomer membrane and asymmetrically dividing a space between the fluidic layer and the elastomer membrane. | 02-16-2012 |
Kak Namkoong, Suwon-Si KR
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20130306160 | APPARATUS AND METHOD OF DETECTING AND CONTROLLING FLUID IN MICROFLUIDIC DEVICE - A fluid control apparatus including a detecting unit including a light source for irradiating light toward a microfluidic device, and a photodetector for detecting light reflected from the microfluidic device, a transporting unit for moving the detecting unit; and a determining unit for controlling a transporting operation by the transporting unit, where determining a state of a fluid at a particular position relative to the microfluidic device is based on light reflected from the microfluidic device, and method of using same. | 11-21-2013 |
Moon Namkoong, Seongnam-Si KR
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20150244774 | METHOD AND APPARATUS FOR MANAGING CONNECTION USING DUMMY HTTP - A method for managing connections using a dummy HTTP, the method comprising: upon receiving an HTTP request from a client, establishing, by a Web server, a connection to a Web application server to transmit the HTTP request to the Web application server over the connection; transmitting, by the Web server, an HTTP response received from the Web application server to the client; and continuing, by the Web server, the connection by exchanging a dummy HTTP request and a dummy HTTP response with the Web application server when a count of a duration time of the connection reaches a preset survival check time. | 08-27-2015 |
Seong Namkoong, Seongnam-Si KR
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20100134621 | MULTI-AREA MONITORING SYSTEM FROM SINGLE CCTV HAVING A CAMERA QUADRATIC CURVED SURFACE MIRROR STRUCTURE AND IT, AND UNWRAPPING METHOD FOR THE SAME - There is provided a camera secondary curved mirror structure which is manufactured by removing a predetermined portion of a circular curved mirror for a camera which is equidistant by a predetermined distance of m/R from each side of a line which passes through the center-point of the circular curved mirror in a vertical direction, to result two curved mirror members; jointing the two curve mirror members together to form a joint line; establishing a cutting line which is perpendicular to the joint line and which is at a predetermined distance n/D from a point where the joint line intersects the circumference of the curved mirror members; and cutting along the cutting line so that a lower portion of the jointed curved mirror members results, to form a curved mirror. | 06-03-2010 |
Sung Namkoong, Seoul KR
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20100269962 | METHOD FOR MANUFACTURING SUPER STRONG STEEL BODY FOR MANUFACTURE OF PRODUCTS WITH COMPLICATED SHAPE - The present invention relates to a method of manufacturing ultra-high strength steel products and, more particularly, to a method of manufacturing ultra-high strength steel products suitable for production of articles having a complicated shape or a high processing depth. The method includes preparing a steel sheet by blanking the steel sheet having hardenability to form a rough shape of a final product, cold-pressing the steel sheet to form a 50˜80% shape of the final product, precisely trimming the cold-formed steel sheet along a contour line corresponding to an outer contour of the final product, and hot-pressing the trimmed product to form the remaining 20˜50% shape of the final product and quenching simultaneous with hot-pressing, after heating the trimmed product to an austenite region of 700° C. or more. | 10-28-2010 |
Up Namkoong, Buyeo-Gun KR
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20120268855 | SURGE PROTECTION APPARATUS AND METHOD USING THE SAME - A surge protection apparatus is provided. The surge protection apparatus includes a non-linear element unit, a signal generation unit, and a switching element unit. The non-linear element unit enables an electrical surge to pass therethrough by rapidly decreasing resistance of the non-linear element unit when the difference in voltage between two ends of the non-linear element unit is equal to or greater than a predetermined value. The signal generation unit generates a control signal in response to current which passes through the non-linear element unit. The switching element unit switches the status thereof in response to the control signal. | 10-25-2012 |
Won Namkoong, Daejeon KR
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20140232186 | APPARATUS AND METHOD FOR MINIMIZING DISTRIBUTION LOSS IN CONSIDERATION OF SECTION LOAD CHARACTERISTICS OF DISTRIBUTION SYSTEM - Provided are an apparatus and method for minimizing a distribution loss which reconstructs the system construction of a distribution system in consideration of section load characteristics of mutually different distribution system. The apparatus for minimizing a distribution loss which determines a loss calculation period for detecting a loss minimization time point using mutually different distribution systems, calculates loss values of mutually different distribution systems set according to each time point of the loss calculation period, and calculates a total loss value, and selects the mutually different distribution systems one by one during the loss calculation period, and calculates a loss value for specific systems of each distribution system in consideration of a change of a section load in each selected distribution system, determines a loss minimization time point using the specific system loss value of each distribution system and the total loss value. | 08-21-2014 |
20140244061 | APPARATUS AND METHOD FOR ADJUSTING A VOLTAGE IN A POWER DISTRIBUTION SYSTEM - The present invention relates to an apparatus and method for performing adjustment to optimize the voltage for each distribution network in a power distribution system. The apparatus for adjusting a voltage in the power distribution system adjusts the voltage by switching a switch that lies on a path in the power distribution system. The apparatus determines a switch that is to become a switching target from among switches lying on the path, obtains a voltage optimization value of the determined switching target switch, selects a switch having the minimum voltage optimization value by changing the switching target switch to another switch in order to obtain the voltage optimization value, and adjusts the voltage through switching of the selected switch. | 08-28-2014 |
20140247055 | SYSTEM AND METHOD FOR DETECTING AN ABNORMAL WAVEFORM IN A POWER DISTRIBUTION SYSTEM - The present invention relates to a system and method for an abnormal waveform in a power distribution system that quickly transmits abnormal waveform-related data of a large size by changing a protocol according to data size. The system for detecting an abnormal power quality waveform comprises: a plurality of RTUs for measuring abnormal waveform when a waveform measuring signal received, and transmitting an abnormal waveform using a protocol set according to the size of the abnormal waveform; an FEP for transmitting the waveform measuring signal to an RTU installed in a failure section, and receiving and storing the abnormal waveform from the RTU; a main server for transmitting the waveform measuring signal through the FEP to the RTU installed in the failure section, performing controlling to measure the abnormal waveform generated in the failure section, and receiving and displaying the abnormal waveform according to the waveform measuring signal. | 09-04-2014 |
Younghwan Namkoong, Seoul KR
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20150121136 | SYSTEM AND METHOD FOR AUTOMATICALLY MANAGING FAULT EVENTS OF DATA CENTER - Disclosed are an automated management system and method for fault events of a data center. A fault event monitoring unit is configured to check statuses of servers to detect occurrence of a fault event, and if a fault event occurs, determine whether an automated action is possible. A fault event related action recommending unit is configured to, with respect to a fault event that is newly detected by the fault event monitoring unit or determined to be difficult to be resolved by an action stored in a fault event related action storage unit, search for and extract information related to the fault event determined to be difficult to be resolved from information accumulated in a fault event information knowledge storage unit, and based on the extracted information, generate and output a group of automated action candidates for the fault event determined to be difficult to be resolved. A fault event action unit is configured to automatically take an action against a fault event detected by the fault event monitoring unit by use of the action accumulated in the fault event related action storage. | 04-30-2015 |
Young Hwan Namkoong, Seoul KR
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20140122510 | DISTRIBUTED DATABASE MANAGING METHOD AND COMPOSITION NODE THEREOF SUPPORTING DYNAMIC SHARDING BASED ON THE METADATA AND DATA TRANSACTION QUANTITY - The present invention relates to a method of managing a distributed database and constituent nodes of the database. According to the present invention, it is possible to perform flexible, automatic, and dynamic sharding that can sense whether a specific node needs to be sharded, and can automatically apply an optimal sharding strategy to be applied to database sharding or provide the optimal sharding strategy to at least a manager, by establishing an optimal measure on the basis of the database configuration, the data size, and the transaction quantity for each data. | 05-01-2014 |
20150095719 | DATA PREPROCESSING DEVICE AND METHOD THEREOF - There are provided a data preprocessing device and a method thereof. A data preprocessing device according to an embodiment of the present disclosure includes a risk level analyzing unit configured to calculate a failure risk level of a target system using failure history information of the target system and characteristic information of the target system; a collection period setting unit configured to determine a data collection period from the target system according to the calculated failure risk level; and a preprocessing unit configured to preprocess data collected from the target system according to the data collection period. | 04-02-2015 |
Yun Namkoong, Suwon-Si KR
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20100271727 | METHOD AND APPARATUS FOR PRESERVING DATA OF A HARD DISK DRIVE - A method is disclosed for preserving data in a hard disk drive, in which data loss due to adjacent track erase (ATE) phenomenon can be minimized by relocating data, which is written in a zone where the ATE phenomenon is likely to occur since frequency of use is high, to another zone having a low TPI when writing the data in a disk. | 10-28-2010 |