Patents by Inventor Yun Choi

Yun Choi 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).

  • POLY(3-HYDROXYPROPIONATE-B-LACTATE) BLOCK COPOLYMER USING MICROORGANISMS
    Publication number: 20200270649
    Abstract: Provided are a novel 3-hydroxypropionate-lactate block copolymer [P(3HP-b-LA)], and a method for preparing same, comprising: a) transforming a recombinant microorganism modified to be incapable of biosynthesizing lactic acid with a vector including a 3-hydroxypropionyl-CoA biosynthesis gene and a polyhydroxyalkanoate (PHA) synthetase gene, and a vector including a lactate biosynthesis gene and a gene of an enzyme that converts lactate to lactyl-CoA; (b) synthesizing poly(3-hydroxypropionate) (P(3HP)) by culturing the recombinant microorganism using a glycerol as a carbon source; and (c) inhibiting P(3HP) production by adding IPTG and glucose, and biosynthesizing polylactate (PLA) at the end of P(3HP) synthesized in step (b) by enabling the expression of a lactate biosynthesis enzyme and an enzyme that converts lactate to lactyl-CoA. Also provided is a recombinant microorganism produced in step a).
    Type: Application
    Filed: March 13, 2019
    Publication date: August 27, 2020
    Inventors: Hye Ok KANG, Donggyun KANG, Chul Woong KIM, In Young HUH, Jung Yun CHOI
  • Force transmitting frame and motion assistance apparatus including the same
    Patent number: 10744022
    Abstract: A force transmitting frame including a base, a first longitudinal member connected to the base, a second longitudinal member configured to slide with respect to the base, and a first fastener configured to fasten one end of the first longitudinal member and one end of the second longitudinal member is provided.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: August 18, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY OF TECHNOLOGY AND EDUCATION INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Youn Baek Lee, Jung-Yun Choi, Yong Jae Kim
  • LIGHTING DEVICE AND VEHICULAR LAMP COMPRISING SAME
    Publication number: 20200241197
    Abstract: The present disclosure relates to a lighting device and a vehicular lamp including the same. A lens member is provided between a shielding module and a light guide member. Through a non-air-gap structure in which a separation portion between components is removed, diversity of mechanism designs may be secured, and at the same time, light efficiency may be improved. A light emitting direction of a light emitting element forms an inclination angle with a light emitting surface of a light source module, so that a deterioration phenomenon of a light guide member formed of resin may be removed, and a light beam emitted through a first light guide member is emitted as an indirect light beam.
    Type: Application
    Filed: December 2, 2016
    Publication date: July 30, 2020
    Inventors: JIN GWAN SHIN, JIN HEE KIM, JAE YUN CHOI
  • Motion assistance apparatus
    Patent number: 10688009
    Abstract: A motion assistance apparatus includes a proximal support configured to support a proximal part of a user, a distal support configured to support a distal part of the user, and a rotary frame connected to the distal support, and configured to simultaneously perform a translational motion and a rotational motion relative to the proximal support.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: June 23, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Do Choi, Youn Baek Lee, Jeonghun Kim, Se-Gon Roh, Minhyung Lee, Jongwon Lee, Byungjune Choi, Jung-Yun Choi
  • BLOCK COPOLYMER
    Publication number: 20200172680
    Abstract: Provided is a lactic acid-based block copolymer which is biodegradable while having excellent mechanical properties.
    Type: Application
    Filed: December 31, 2018
    Publication date: June 4, 2020
    Inventors: Jung Yun CHOI, Hye Ok KANG, Donggyun KANG, Younghyun CHO, Jae Hyung KIM, Chul Woong KIM, In Young HUH
  • Electric sunshade and sunroof structure
    Patent number: 10618386
    Abstract: An electric sunshade and sunroof structure may include cable assembly connected to a drive motor via a cable, sliding longitudinally along each of guide slide assemblies disposed on rails provided on both sides of a roof panel of a vehicle, thus opening or closing a sunshade, and moving integrally with the guide slide assembly to open a sunroof glass, a sunshade guide lever provided on the sunshade and selectively coupled with the cable assembly to move the sunshade, and a guide slide lever provided on a rear end portion of the guide slide assembly and selectively coupled with the cable assembly to move the sunroof glass.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 14, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Webasto Donghee Holdings
    Inventors: Jeong Hoon Park, Seong Min Gwak, Su Yun Choi
  • Method and system for manufacturing an integrated circuit in consideration of a local layout effect
    Patent number: 10599130
    Abstract: A method of manufacturing an integrated circuit (IC) including instances of standard cells includes arranging a first instance and arranging a second instance adjacent to the first instance. The second instance has a front-end layer pattern corresponding to a context group of the first instance. The context group includes information about front-end layer patterns of instances, the front-end layer patterns causing a same local layout effect (LLE) on the first instance and arranged adjacent to the first instance.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: March 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wootae Kim, Hyung-Ock Kim, Jaehoon Kim, Naya Ha, Ki-Ok Kim, Eunbyeol Kim, Jung Yun Choi, Sun Ik Heo
  • Tilting sunroof structure
    Patent number: 10549612
    Abstract: A tilting sunroof structure may include a roll blind sled connected to a motor via a cable to slide in a longitudinal direction along a mechanism rail to open a roll blind, the mechanism rail being provided on an edge portion of a roof panel of a vehicle; a pushrod assembly allowing the roll blind sled to work in concert with a tilting sled located on the mechanism rail; and a timing assembly located on an end portion of the pushrod assembly to be selectively fastened to the roll blind sled to move the tilting sled, wherein the roll blind sled moves in a backward direction of the vehicle along the mechanism rail to be fastened to the timing assembly, and the roll blind sled fastened to the timing assembly moves further to tilt a sunroof window.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: February 4, 2020
    Assignees: Hyundai Motor Company, Kia Motors corporation, Webasto Donghee Holdings
    Inventors: Jeong Hoon Park, Su Yun Choi
  • Magazine transfer unit gripper
    Patent number: 10471602
    Abstract: A gripper includes a body frame mounted on a magazine transfer robot. A first guide assembly is mounted on the body frame. A first gripping unit is movable along the first guide assembly. A second gripping unit is movable along the first guide assembly. A driver is configured to move the first gripping unit in a first direction. The driver is configured to move the second gripping unit in a second direction opposite to the first direction. The first gripping unit includes a first finger unit and a second finger unit independently moveable with respect to the first finger unit. The second gripping unit is spaced apart from the first gripping unit. The second gripping unit includes a third finger unit and a fourth finger unit independently moveable with respect to the third finger unit.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Seong Ko, Kwang-Jun Kim, Jung Jun Park, Hee Yun Choi
  • STRUCTURE OF ELECTRIC SUNSHADE AND SUNROOF
    Publication number: 20190299763
    Abstract: A structure of an electric sunshade and a sunroof may include glass sleds which both open and close a sunroof glass by sliding in a longitudinal direction along mechanism rails disposed at both sides of a roof panel of a vehicle, wherein a front sled and a rear sled are rotatably coupled to both end portions of each of glass sleds, respectively, main cable devices which are connected to a driving motor by a cable, and movable along the mechanism rails, and separately include a cable protrusion slidably accommodated in glass grooves formed in lateral surfaces of the front sled, the rear sled, and the glass sled, and sunshade sleds which are selectively coupled to the main cable devices, and slide to open or close the sunshade.
    Type: Application
    Filed: June 12, 2019
    Publication date: October 3, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corpoation, Webasto Donghee Holdings
    Inventors: Jeong Hoon PARK, Seong Min GWAK, Su Yun CHOI
  • Integrated circuit designing system and a method of manufacturing an integrated circuit
    Patent number: 10424518
    Abstract: A method of manufacturing an integrated circuit may include placing cells, based on input data defining the integrated circuit, performing a pin reordering operation on a plurality of pins in a first cell of the cells, based on physical information regarding the pins in the first cell, wherein the physical information is determined based on the placement of the cells, performing a routing operation on the cells after the pin reordering operation, and manufacturing the integrated circuit, based on a layout produced by the routing operation.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: September 24, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Il Kim, Hyung-Ock Kim, Woo Young Noh, Jung Yun Choi
  • Modular multilevel converter
    Patent number: 10396683
    Abstract: A Modular Multilevel Converter (MMC) includes multiple sub-modules connected in series with each other and a controller for controlling on/off switching of the sub-modules, in which the multiple sub-modules include N sub-modules that participate in the operation of the MMC and M redundant sub-modules for replacing at least one N sub-modules when the at least one N sub-modules fail, and the controller switches on a sub-module if a carrier signal assigned thereto is higher than a preset reference signal, and switches off the sub-module if the carrier signal assigned thereto is lower than the preset reference signal.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: August 27, 2019
    Assignee: HYOSUNG HEAVY INDSTRIES CORPORATION
    Inventors: Hong-Ju Jung, Jong-Yun Choi, June-Sung Kim, Jung-Soo Park, Doo-Young Lee
  • COMPOSITION FOR PREVENTING OR TREATING CARDIOFACIOCUTANEOUS SYNDROME
    Publication number: 20190241635
    Abstract: The present invention relates to a pharmaceutical composition for the prevention or treatment of CFC (cardiofaciocutaneous) syndrome comprising a TGF-? signaling pathway inhibitor or a BMP signaling pathway activator. The treatment of SB-431542 or BMP4 protein was confirmed to increase the ALP activity and bone mineral deposition in the osteoblasts originated from the induced pluripotent stem cells derived from CFC syndrome patients. Thus, the TGF-? signaling pathway inhibitor containing SB-431542 or the BMP signaling pathway activator containing BMP4 protein can be effectively used for the prevention or treatment of CFC syndrome.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 8, 2019
    Inventors: Yong Mahn Han, Jung Yun Choi
  • TILTING SUNROOF STRUCTURE
    Publication number: 20190225063
    Abstract: A tilting sunroof structure may include a roll blind sled connected to a motor via a cable to slide in a longitudinal direction along a mechanism rail to open a roll blind, the mechanism rail being provided on an edge portion of a roof panel of a vehicle; a pushrod assembly allowing the roll blind sled to work in concert with a tilting sled located on the mechanism rail; and a timing assembly located on an end portion of the pushrod assembly to be selectively fastened to the roll blind sled to move the tilting sled, wherein the roll blind sled moves in a backward direction of the vehicle along the mechanism rail to be fastened to the timing assembly, and the roll blind sled fastened to the timing assembly moves further to tilt a sunroof window.
    Type: Application
    Filed: August 31, 2018
    Publication date: July 25, 2019
    Applicants: Hyundai Motor Company, Kia Motors corporation, Webasto Donghee Holdings
    Inventors: Jeong Hoon PARK, Su Yun CHOI
  • Power control apparatus for sub-module of MMC converter
    Patent number: 10348181
    Abstract: Provided is a power control apparatus for sub-modules in an MMC, which controls stable supply of power to sub-modules in MMC connected to an HVDC system and a STATCOM. The power control apparatus has at least one first resistor connected between P and N buses of MMC; a second resistor connected in series with the first resistor; a switch connected in series with the second resistor; a third resistor connected in parallel with the second resistor and the switch which are connected in series; a Zener diode connected in parallel with the third resistor; and a DC/DC converter connected between both ends of the Zener diode and configured to convert voltage across both ends of the Zener diode into low voltage, and supply the low voltage to the sub-modules, wherein a magnitude of current flowing through the Zener diode is controlled depending on ON/OFF switching of the switch.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: July 9, 2019
    Assignee: HYOSUNG HEAVY INDUSTRIES CORPORATION
    Inventors: June-Sung Kim, Hong-Ju Jung, Jung-Soo Park, Doo-Young Lee, Jong-Yun Choi
  • METHOD FOR MANUFACTURING INSULATING FILM AND SEMICONDUCTOR PACKAGE
    Publication number: 20190189304
    Abstract: The present invention relates to a method for manufacturing an insulating layer which can minimize the degree of warpage caused by polymer shrinkage at the time of curing and secure the stability of a semiconductor chip located therein, and a method for manufacturing a semiconductor package using an insulating layer obtained from the manufacturing method of the insulating layer.
    Type: Application
    Filed: July 2, 2018
    Publication date: June 20, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Woo Jae JEONG, You Jin KYUNG, Byung Ju CHOI, Bo Yun CHOI, Kwang Joo LEE, Min Su JEONG
  • MAGAZINE TRANSFER UNIT GRIPPER
    Publication number: 20190176339
    Abstract: A gripper includes a body frame mounted on a magazine transfer robot. A first guide assembly is mounted on the body frame. A first gripping unit is movable along the first guide assembly. A second gripping unit is movable along the first guide assembly. A driver is configured to move the first gripping unit in a first direction. The driver is configured to move the second gripping unit in a second direction opposite to the first direction. The first gripping unit includes a first finger unit and a second finger unit independently moveable with respect to the first finger unit. The second gripping unit is spaced apart from the first gripping unit. The second gripping unit includes a third finger unit and a fourth finger unit independently moveable with respect to the third finger unit.
    Type: Application
    Filed: June 26, 2018
    Publication date: June 13, 2019
    Inventors: JONG SEONG KO, Kwang-Jun KIM, Jung Jun PARK, Hee Yun CHOI
  • Transition metal compound, catalyst composition comprising same, and method for producing olefin polymer using same
    Patent number: 10280238
    Abstract: The present invention provides a transition metal compound, a catalyst composition comprising the same, and a method for producing an olefin polymer using the catalyst composition, the transition metal compound being capable of exhibiting high activity in olefin polymerization reaction, and also being capable of easily controlling the physical properties of an olefin polymer. When the transition metal compound is used, it is possible to provide an olefin polymer having an excellent energy-saving effect at the time of processing or molding.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: May 7, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Byung Seok Kim, Hee Kwang Park, Kyung Seop Noh, Sang Eun An, In Sun Lee, Hye Kyung Lee, Sang Jin Jeon, Ra Yun Choi
  • Modular cooling apparatus for high-voltage direct-current transmission system
    Patent number: 10231363
    Abstract: The present invention relates to a modular cooling apparatus for a high-voltage direct-current transmission system. A sub-module (10) according to the present invention comprises a power unit (12) in the front and a capacitor unit (13) in the rear, and a heat sink (30) for discharging heat generated from the interior is provided in an interior space (14?) of a power unit housing (14) forming the exterior of the power unit (12). A coolant path (31) is provided in the interior of the heat sink (30). The entrance and exit of the coolant path (31) are located adjacent to the bottom surface of the interior space (14?). Connecting couplers (20) for supplying coolant to the interior space (14?) are provided on the sloped surface (16) on the bottom end of the front surface (15) of the power unit housing (14). The sloped surface (16) is formed so as to face the ground at an angle.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: March 12, 2019
    Assignee: HYOSUNG HEAVY INDUSTRIES CORPORATION
    Inventors: June-Sung Kim, Hong-Ju Jung, Jong-Yun Choi
  • MOTION ASSISTANCE APPARATUS
    Publication number: 20190060154
    Abstract: A motion assistance apparatus includes a force transmitting frame having a sliding space therein, the force transmitting frame configured to support a distal part of a user, a slider configured to slide in the sliding space, and a driving frame connected to the slider and configured to slide with respect to a proximal part of the user.
    Type: Application
    Filed: December 1, 2017
    Publication date: February 28, 2019
    Applicants: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Minhyung LEE, Byungjune CHOI, Jeonghun KIM, Se-Gon ROH, Youn Baek LEE, Jongwon LEE, Hyun Do CHOI, Jung Yun CHOI, Hyouk Ryeol CHOI