Patents by Inventor In Seong Ju

In Seong Ju has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Test path compensating circuit and test path compensating system
    Patent number: 9535128
    Abstract: A test path compensating circuit may include a plurality of electrical paths electrically coupling a plurality of test pads to a test target circuit. The test path compensating circuit may include a control voltage generation circuit configured to generate a plurality of control voltages. The test path compensating circuit may include a plurality of voltage-control delay circuits electrically coupled to the plurality of electrical paths, respectively, and configured to control delay amounts of input test signals received from one or more of the plurality of test pads, based on one or more of the plurality of control voltages, and provide output test signals to the test target circuit.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 3, 2017
    Assignee: SK HYNIX INC.
    Inventor: Seong Ju Lee
  • SEMICONDUCTOR DEVICE
    Publication number: 20160315085
    Abstract: A semiconductor device includes a compound semiconductor layer, where the compound semiconductor layer includes separate fin patterns in separate regions. The separate fin patterns may include different materials. The separate fin patterns may include different dimensions, including one or more of width and height of one or more portions of the fin patterns. The separate fin patterns may include an upper pattern and a lower pattern. The upper pattern and the lower pattern may include different materials. The upper pattern and the lower pattern may include different dimensions. Separate regions may include separate ones of an NMOS or a PMOS. The semiconductor device may include gate electrodes on the compound semiconductor layer. Separate gate electrodes may intersect the separate fin patterns.
    Type: Application
    Filed: February 22, 2016
    Publication date: October 27, 2016
    Inventors: Yong-Joon CHOI, Tae-Yong KWON, Mirco CANTORO, Chang-Jae YANG, Dong-Hoon KHANG, Woo-Ram KIM, Cheol KIM, Seung-Jin MUN, Seung-Mo HA, Do-Hyoung KIM, Seong-Ju KIM, So-Ra YOU, Woong-ki HONG
  • Method and apparatus of supporting wireless femtocell clusters
    Patent number: 9462480
    Abstract: A method of operating a femtocell network cluster is disclosed. One example method of operating the femtocell network cluster may include certain operations, such as, selecting a master femtocell access point among various femtocell access points operating on the femtocell network cluster and updating a master table to include the master femtocell access point in the master table neighbor list. Other operations may include transmitting the master table to each of the femtocell access points informing them of the identity of the master femtocell access point. The tables may be maintained by all of the femtocell access points operating on the network.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: October 4, 2016
    Assignee: Open Invention Network, LLC
    Inventors: Christopher Martin Edward Osborn, Seong Ju Seo, Kyungsik Choi
  • MULTI-LAYERED TRANSPARENT ELECTRODE HAVING METAL NANO HOLE PATTERN LAYER
    Publication number: 20160268479
    Abstract: The present invention relates to a multi-layered transparent electrode having a metal nano hole pattern layer. The multi-layered transparent electrode may include a lower oxide layer, a metal nano hole pattern layer disposed on the lower oxide layer, and an upper oxide layer disposed on the metal nano hole pattern layer. By adjusting the pattern period and nano hole size of the metal nano hole pattern layer, transmittance of the multi-layered transparent electrode may be enhanced in a specific wavelength region through surface plasmon, which is a phenomena caused by the metal nanohole pattern layer. In addition, optimized sheet resistance may be implemented in a multi-layered transparent electrode having the metal nano hole pattern layer by adjusting the hole size. Thereby, electrical characteristics of a device employed the multi-layered transparent electrode may be enhanced.
    Type: Application
    Filed: December 29, 2015
    Publication date: September 15, 2016
    Inventors: Seong-Ju Park, Sun-hye Song, Sang-Hyun Hong, Hyo-Ju Lee, Jang-Won Kang, Chang-Hee Cho, Bo-Kyung Song
  • Combined base transceiver station and base station controller
    Patent number: 9426784
    Abstract: A combined base station controller (12) and base transceiver station (14) comprises a selector distribution unit (SDU, 20), a main call control (MCC, 22) coupled to the SDU, a radio call control (RCC, 18) coupled to the MCC, and a channel element control (CEC, 16) coupled to the RCC.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: August 23, 2016
    Assignee: Open Invention Network, LLC
    Inventors: Wonjun Cho, Joem Sik Kim, Myoung Chul Choi, Hyunyung Cha, Jefferson K. Kim, Hyeon Bong Park, Jae Hong Park, Seong Ju Seo, Jae Kyu Yoo, Jake J. Han
  • Separate billing system for BYOD service and separate billing method for data service
    Patent number: 9402001
    Abstract: A separate billing system for BYOD service includes a business service server configured to provide a business service, a terminal configured to request a business service from the business service server, a billing policy server configured to store billing policy information, a BYOD service gateway configured to control the terminal to transmit and receive data with the business service server via an access device, and generate billing data according to the transmission and reception, and a separate billing server configured to analyze the billing data based on the billing policy information, and generate separate billing information.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: July 26, 2016
    Assignee: NTELS CO., LTD.
    Inventors: Jae Hee Shim, Chong Wook Kwon, Seong Ju Kim, Yae Ho Kim
  • METHOD OF FABRICATING LIGHT EMITTING DIODE AND LIGHT EMITTING DIODE MANUFACTURED THEREBY
    Publication number: 20160211413
    Abstract: Disclosed are a method of fabricating a light emitting diode and a light emitting diode fabricated by the same. In the method of fabricating a light emitting diode, a convex-concave pattern is formed on a light emitting structure and a nanosphere layer is transferred to the convex-concave pattern, followed by dry etching to form a stepped surface structure having a plurality of nanobumps arranged on a surface thereof, and chemical coating to reduce surface energy of the stepped surface structure. The method can easily form a stepped surface structure having a plurality of nanobumps on a surface of a convex-concave pattern periodically arranged through nanosphere lithography and dry etching, thereby simplifying the fabrication process while improving production yield.
    Type: Application
    Filed: January 19, 2016
    Publication date: July 21, 2016
    Inventors: Seong-Ju PARK, Young-Chul LEEM
  • Nitride semiconductor light emitting device
    Patent number: 9373748
    Abstract: The present invention discloses a nitride semiconductor light emitting device with improved light efficiency. The nitride semiconductor light emitting device includes a n-type nitride layer and p-type nitride layer, an active layer disposed between the n-type and p-type nitride layers and with a multiple quantum well structure wherein a plurality of quantum well layers and a plurality of quantum barrier layers are stacked alternatively in the active layer, and a superlattice layer between the active layer and the p-type nitride layer with asymmetric structure. Herein, a thickness of a well layers gradually increases from the p-type nitride layer to the active layer and the height of the barrier layers gradually increases from the active layer to the p-type nitride layer and therefore, an injection efficiency of a hole supplied from p-type nitride layer to an active layer is increased.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: June 21, 2016
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Seong-Ju Park, Sang-Jun Lee, Sang-Hyun Hong, Sang-Jo Kim
  • HIGH-STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREFOR
    Publication number: 20160145706
    Abstract: A high-strength steel sheet according to the present invention comprises, by weight, 10.0-15.0% Mn, 6.0-9.0% Al, 0.5-2.0% Cr, 0.8-1.6% C, and 0.001-0.01% N, and further comprises, by weight, 0.02-0.1% V, 0.005-0.015% Nb, and 0.005-0.02% Mo, or further comprises 0.1-0.5 wt % TiAl particles. The high-strength steel sheet has a mixed structure comprising austenite and a fine k-carbide having a mean particle diameter of 10-500 nm.
    Type: Application
    Filed: June 27, 2014
    Publication date: May 26, 2016
    Inventors: Jun Ho Chung, Seong-Ju Kim, Hyo Dong Shin
  • TEST PATH COMPENSATING CIRCUIT AND TEST PATH COMPENSATING SYSTEM
    Publication number: 20160109520
    Abstract: A test path compensating circuit may include a plurality of electrical paths electrically coupling a plurality of test pads to a test target circuit. The test path compensating circuit may include a control voltage generation circuit configured to generate a plurality of control voltages. The test path compensating circuit may include a plurality of voltage-control delay circuits electrically coupled to the plurality of electrical paths, respectively, and configured to control delay amounts of input test signals received from one or more of the plurality of test pads, based on one or more of the plurality of control voltages, and provide output test signals to the test target circuit.
    Type: Application
    Filed: March 11, 2015
    Publication date: April 21, 2016
    Inventor: Seong Ju LEE
  • CLEANING ROBOT HAVING EXPANDED CLEANING TERRITORY
    Publication number: 20160051104
    Abstract: Disclosed is a cleaning robot having an expanded cleaning territory. The cleaning robot of the present invention comprises: a platform in which at least one corner of the exterior thereof has an angle of less than 90°; a first driving wheel of which the central axis is attached to the bottom portion of the platform at a predetermined first angle (?) and a predetermined second angle (??) with respect to the forward direction of the platform; and a second driving wheel of which the central axis is attached to the bottom portion of the platform at the predetermined second angle (??) with respect to the forward direction of the platform.
    Type: Application
    Filed: March 28, 2014
    Publication date: February 25, 2016
    Applicant: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul SHIN, Seong Ju PARK, Min CHANG, No Soo LEE, Jae Young LEE, Byung Kwon MOON
  • STEEL SHEET AND MANUFACTURING METHOD THEREFOR
    Publication number: 20160053340
    Abstract: Disclosed are a steel sheet having excellent and a method for producing the same. The disclosed steel sheet comprises, by weight, 0.005-0.06% carbon (C), 0.2% or less silicon (Si), 1.0-2.0% manganese (Mn), 0.01% or less sulfur (S), 0.2-2.0% aluminum (Al), one or more of chromium (Cr) and molybdenum (Mo) in an amount satisfying 0.3?[Cr wt %]+0.3[Mo wt %]?2.0, and 0.008% or less nitrogen (N), with the remainder being iron (Fe) and inevitable impurities, wherein the density of dislocations in the ferrite matrix of the steel sheet is 1×1013/m2 or more.
    Type: Application
    Filed: January 29, 2014
    Publication date: February 25, 2016
    Inventors: Jin-Sung PARK, Chun-Ku KANG, Nam-Hoon GOO, Seong-Ju KIM
  • Electrostatic chuck having reduced arcing
    Patent number: 9218997
    Abstract: Electrostatic chucks and methods of manufacturing the same are provided herein. In some embodiments, an electrostatic chuck comprises an electrically conductive body having one or more channels formed in an upper surface thereof; a plate positioned within the one or more channels to define one or more plenums between the body and the plate, wherein the surfaces of the plenum are anodized; one or more fluid passages disposed in the plate and fluidly coupling the one or more plenums to the upper surface of the body, wherein the surfaces of the fluid passages are electrically insulated; and a dielectric layer disposed over the upper surface of the body and the plate, wherein the dielectric layer forms a support surface for a substrate to be disposed thereon.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: December 22, 2015
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Seok Yul Jun, Bum Jin Park, Sun Il Kim, Hyong Seok Oh, Sung Chul Cho, Young Sam Na, Yeon Sang Cho, Ha Sung Song, Seong Ju Kim, Hee Sang Chae, Talex Sajoto
  • Bumper assembly of mobile robot
    Patent number: 9186800
    Abstract: A bumper assembly of a mobile robot includes a sliding member which is installed to be movable in front and rear directions with respect to a robot body, a first elastic member which is coupled to the sliding member and presses the sliding member in the front direction, a first sensor which senses a movement of the sliding member when the sliding member moves in the rear direction, a front plate which is disposed at a front side of the sliding member, rotatably coupled to the sliding member, and moves integrally with the sliding member when the sliding member moves in the front and rear directions, and a second sensor which senses a rotation of the front plate when the front plate rotates.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: November 17, 2015
    Assignee: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, No Soo Lee
  • Manganese oxide/graphene nanocomposite and producing method of the same
    Patent number: 9174543
    Abstract: The present disclosure provides a method for producing a manganese oxide/graphene nanocomposite including synthesizing a manganese oxide/graphene nanocomposite through liquid phase reaction at a room temperature, a manganese oxide/graphene nanocomposite produced by the method, and an electrode material and a super-capacitor electrode including the manganese oxide/graphene nanocomposite.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: November 3, 2015
    Assignee: EWHA UNIVERSITY—INDUSTRY COLLABORATION FOUNDATION
    Inventors: Seong-Ju Hwang, Dayoung Sung
  • Semiconductor light emitting device
    Patent number: 9171997
    Abstract: A semiconductor light emitting device is provided including a first conductivity-type semiconductor layer, an active layer including at least one quantum barrier layer made of InxGa(1-x)N, wherein 0?x<y, and at least one quantum well layer made of InyGa(1-y)N, wherein 0<y?1, disposed therein, and a second conductivity-type semiconductor layer, wherein the quantum barrier layer includes first and second graded layers disposed in order toward the first conductivity-type semiconductor layer. The first graded layer contains indium whose content increases in a direction towards the second conductivity-type semiconductor layer, and the second graded layer contains indium whose content decreased in a direction toward the second conductivity-type semiconductor layer.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: October 27, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Eun Deok Sim, Sang Jo Kim, Sung Tae Kim, Young Sun Kim, Seong Ju Park, Suk Ho Yoon, Sang Jun Lee
  • Nitride semiconductor light emitting device
    Patent number: 9166098
    Abstract: There is provided a nitride semiconductor light emitting device including an active layer of a multi quantum well structure, the nitride semiconductor light emitting device including: a substrate; and a buffer layer, an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer sequentially stacked on the substrate, wherein the active layer is formed of a multi quantum well structure where a plurality of barrier layers and a plurality of well layers are arranged alternately with each other, and at least one of the plurality of barrier layers includes a first barrier layer including a p-doped barrier layer doped with a p-dopant and an undoped barrier layer.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: October 20, 2015
    Assignees: Samsung Electronics Co., Ltd., Gwangju Institute of Science and Technology
    Inventors: Sang Won Kang, Seong Ju Park, Min Ki Kwon, Sang Jun Lee, Joo Young Cho, Yong Chun Kim, Sang Heon Han, Dong Ju Lee, Jeong Tak Oh, Je Won Kim
  • High Manganese Steel Strips with Excellent Coatability and Superior Surface Property, Coated Steel Strips Using Steel Strips and Method for Manufacturing the Steel Strips
    Publication number: 20150266519
    Abstract: A high-ductility, high-strength and high Mn steel strip used for steel strips of automobiles requiring superior formability and high strength, a plated steel strip produced by using the same, and a manufacturing method thereof are disclosed. The high Mn steel strip comprises, by weight %, 0.2˜1.5% of C, 10˜25% of Mn, 0.01˜3.0% of Al, 0.005˜2.0% of Si, 0.03% or less of P, 0.03% or less of S, 0.040% or less of N, and the balance of Fe and other unavoidable impurities. The high-ductility, high-strength and high Mn steel strip, and the plated steel strip produced by using the same have superior surface properties and plating characteristics.
    Type: Application
    Filed: March 2, 2015
    Publication date: September 24, 2015
    Inventors: Seong Ju Kim, Kwang Geun Chin, Hyung Gyu Hwang, Sung Kyu Kim, Il Ryoung Sohn, Young Kook Lee, Oh Yeon Lee
  • Light emitting diode
    Patent number: 9136433
    Abstract: Disclosed herein is a light emitting diode. The light emitting diode includes a substrate, an n-type semiconductor layer placed on the substrate, an active layer placed on the n-type semiconductor layer, a p-type semiconductor layer placed on the active layer, a reflective layer placed on the p-type semiconductor layer, an n-type electrode electrically connected to the n-type semiconductor layer, a p-type electrode placed on the reflective layer; and a first patterned magnetic structure placed on the reflective layer, and separated from the p-type electrode. The light emitting diode can provide improved internal quantum efficiency using the patterned magnetic structure.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: September 15, 2015
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seong-Ju Park, Jae-Joon Kim, Youngchul Leem
  • METHOD AND APPARATUS OF SUPPORTING WIRELESS FEMTOCELL CLUSTERS
    Publication number: 20150230099
    Abstract: A method of operating a femtocell network cluster is disclosed. One example method of operating the femtocell network cluster may include certain operations, such as, selecting a master femtocell access point among various femtocell access points operating on the femtocell network cluster and updating a master table to include the master femtocell access point in the master table neighbor list. Other operations may include transmitting the master table to each of the femtocell access points informing them of the identity of the master femtocell access point. The tables may be maintained by all of the femtocell access points operating on the network.
    Type: Application
    Filed: April 21, 2015
    Publication date: August 13, 2015
    Inventors: Christopher Martin Edward Osborn, Seong Ju Seo, Kyungsik Choi