Patents by Inventor Wook Choi

Wook 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).

  • Patent number: 11519023
    Abstract: There is provided a paper-based colorimetric sensor kit for quickly and simply diagnosing mercury in situ with a naked eye. The paper-based colorimetric sensor kit includes: a circular template for rolling circle amplification (RCA); a primer that does not hybridize to the circular template when a mercury ion is bonded to a primer that hybridizes to the circular template; a DNA polymerase; a sensing material kit including a nanoparticle probe labeled to a DNA coil formed in the circular template for RCA; and a radial chromatography paper.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: December 6, 2022
    Assignee: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Min-Ah Woo, Min-Cheol Lim, Sung-Wook Choi, Tai-Yong Kim
  • Publication number: 20220379286
    Abstract: Disclosed are a method for producing lactic acid from wastes containing cellulose and/or hemicellulose and a catalyst for thermochemical conversion reaction of wastes containing cellulose and/or hemicellulose. The method includes a step of adding a metal catalyst to wastes containing cellulose and/or hemicellulose and performing thermochemical conversion reaction. The method provides an effect of producing lactic acid from discarded wastes, e.g., waste paper such as waste corrugated paperboards, waste paper boxes, waste newspapers, etc.
    Type: Application
    Filed: May 11, 2022
    Publication date: December 1, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwang Ho KIM, Chang Soo KIM, Jeong-Myeong HA, Jae Wook CHOI, Chunjae YOO
  • Patent number: 11515390
    Abstract: A semiconductor device includes a plurality of active fins defined by an isolation layer on a substrate, a gate structure on the active fins and the isolation layer, and a gate spacer structure covering a sidewall of the gate structure. A sidewall of the gate structure includes first, second, and third regions having first, second, and third slopes, respectively. The second slope increases from a bottom toward a top of the second region. The second slope has a value at the bottom of the second region less than the first slope. The third slope is greater than the second slope.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Han Lee, Jae-Hwan Lee, Sang-Su Kim, Hwan-Wook Choi, Tae-Jong Lee, Seung-Mo Ha
  • Publication number: 20220377243
    Abstract: A focusing method of a camera for obtaining an image of a surveillance area by performing a pan-tilt-zoom (PTZ) operation is included. The focusing method includes: determining whether a region of interest set in the surveillance area is included in a first image obtained by the camera; converting a mode according to a result of the determination by selecting a first mode in which focusing is performed using a first focusing algorithm or a second mode in which focusing is performed using a second focusing algorithm that is different from the first focusing algorithm; and focusing the camera with respect to the first image according to the first mode or the second mode.
    Type: Application
    Filed: October 7, 2021
    Publication date: November 24, 2022
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventors: Sung Wook CHOI, Won Mo KOO, Jung Won PAC, Joo Hye NOH, Joo Hyun YOON
  • Patent number: 11505315
    Abstract: The flying object according to one embodiment comprises: a main body; a main wing formed on a side surface of the main body; a duct-shaped first propulsion part which is provided outside the main wing and can be tilted; a second propulsion part arranged behind the main body; horizontal tail wings formed on both side surfaces of the second propulsion part; and a control part for controlling the movement of the first propulsion part, second propulsion part, and horizontal tail wings, wherein the control part controls the second propulsion part and the horizontal tail wings according to the tilt angle of the first propulsion part.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: November 22, 2022
    Inventors: Sung Ho Chang, Yu Shin Kim, Seong Wook Choi, Young Shin Kang, Am Cho
  • Patent number: 11491163
    Abstract: Provided herein is N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl (tetrahydro-2H-pyran-4-yl)amino)-4-methyl-4?-(morpholinomethyl)-[1,1?-biphenyl]-3-carboxamide hydrobromide. Also provided herein is a particular polymorph form of this compound.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: November 8, 2022
    Assignees: Epizyme, Inc., Eisai R&D Management Co., Ltd.
    Inventors: Kevin Wayne Kuntz, Kuan-Chun Huang, Hyeong Wook Choi, Kristen Sanders, Steven Mathieu, Arani Chanda, Francis Fang
  • Patent number: 11489137
    Abstract: A display device includes: a first substrate overlapping a second substrate and including a display area and a non-display area; a display element disposed in the display area and between the first substrate and the second substrate; a sealing member disposed in the non-display area and between the first substrate and the second substrate; a touch unit; and a blocking member disposed in the non-display area and on the second substrate, wherein the blocking member includes blocking patterns, each of which has a first edge and a second edge, wherein the first edge extends in a first direction, and the second edge extends in a second direction different from the first direction, wherein a length of the first edge is longer than a length of the second edge, and the second edge of one blocking pattern does not overlap the second edge of another blocking pattern along the second direction.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Jae Lee, Do-Hoon Kim, Han Soo Kim, Kyung Min Park, Cheon Deok Park, Dong-Yoon So, Young Dae Yi, Myung-Wook Choi
  • Publication number: 20220327464
    Abstract: A method, apparatus, system, and computer program product for scheduling access to a set of locations. Workers assigned to the set of locations are identified by a set of processor unit. A collaboration network is identified by the set of processor units in which the collaboration network comprises nodes representing the workers and edges having weights representing interactions between the workers in which the interactions are based on communications information sent between the workers in a computer system. A schedule is generated by the set of processor units for the workers to work at the set of locations using the collaboration network.
    Type: Application
    Filed: April 12, 2021
    Publication date: October 13, 2022
    Inventors: Hyunyoung Choi, Jeong Wook Choi, Hyojun Ada Lee
  • Publication number: 20220321226
    Abstract: Provided are a subminiature optical transmission module and a method for manufacturing same. The optical transmission module includes: a mold body having a first surface and a second surface opposite to each other; multiple edge-type light emitting elements, each of which is molded inside the mold body by fitting same to the first surface so as to match with the first surface and generates an optical signal in the edge direction of a chip; and an optical component disposed on one side thereof so as to optically multiplex multiple optical signals incident from the multiple edge-type light emitting elements and to output same, wherein the identical height is configured between the surface of each light emitting element and the optical axis of the optical component, and the edge direction of the chip is parallel to the first surface of the mold body.
    Type: Application
    Filed: September 21, 2020
    Publication date: October 6, 2022
    Inventors: Seong Wook CHOI, Young June PARK
  • Patent number: 11459672
    Abstract: A method of preparing a structure, more particularly, a method of preparing a structure capable of ensuring a space for carrying an electrode active material by a simple method which includes an electrospinning process using a double nozzle electrospinning device and a heat treatment process.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: October 4, 2022
    Assignees: LG ENERGY SOLUTION, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Eunkyung Park, Jang Wook Choi, Sung Hyeon Park, Minehul Jang, Suk Il Youn, Byoungkuk Son, Se Ho Park
  • Patent number: 11460725
    Abstract: An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu Wook Choi, Kwang-su Lee, Choonggil Lim, Haesung Kim, Jun Ho Jang, Sangkeun Lee
  • Patent number: 11434246
    Abstract: We provide compounds given by Formula I, which is shown in FIG. 3, or pharmaceutically acceptable salts thereof, as well as formulations thereof and methods of use of those compounds and formulations for treatment of cancer.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: September 6, 2022
    Assignee: EISAI R&D MANAGEMENT CO., LTD.
    Inventors: Wanjun Zheng, Xiaojie Zhu, Hong Du, Maarten Postema, Yimin Jiang, Jing Li, Robert Yu, Hyeong-Wook Choi, Jaemoon Lee, Francis G. Fang, Daniel Custar
  • Publication number: 20220270480
    Abstract: Proposed herein are a signal control apparatus and method. The signal control apparatus includes: a photographing unit configured to acquire a plurality of intersection images by capturing a plurality of intersections; a storage configured to store a program for the control of traffic signals; and a controller including at least one processor, and configured to calculate control information for the control of traffic lights at each of the plurality of intersections using the intersection images acquired through the photographing unit by executing the program. The controller calculates control information for the control of traffic lights at each of the plurality of intersections based on action information calculated by a plurality of agents by using a plurality of agents based on a reinforcement learning model trained by outputting action information for the control of traffic lights while using state information and a reward as input values.
    Type: Application
    Filed: March 30, 2021
    Publication date: August 25, 2022
    Applicant: LAON ROAD INC.
    Inventors: Suk Joong LEE, Tae Wook CHOI, Dae Seoung KIM, Hee Bin LEE
  • Patent number: 11420363
    Abstract: Provided are a vehicular interior material manufacturing method and a vehicular interior material, the method comprising the steps of: forming a molded article including a surface having an uneven shape; and forming a printing layer on the surface of the molded article by using a predetermined blanket.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: August 23, 2022
    Assignee: LG HAUSYS, LTD.
    Inventors: Jae-Youl Joung, Yeon-Wook Choi, Yong-Gu Kwon, Dong-Hwan Choi
  • Publication number: 20220236500
    Abstract: Provided is a connector plug includes: an optical device module having an optical engine that generates an optical signal or receives an optical signal; an optical fiber alignment guide member having an optical fiber insertion channel formed on one surface of the optical device module so that optical fibers are seated; and an optical component that is seated in an optical component alignment guide groove formed adjacent to the optical fiber alignment guide member on one surface of the optical device module, wherein the optical engine includes an optical device which is formed adjacent to the optical component on one surface of the optical device module, and which radiates an optical signal or receives an optical signal in the horizontal direction, and an optical integrated circuit (IC) installed in the optical device module and controlling the optical device.
    Type: Application
    Filed: May 13, 2020
    Publication date: July 28, 2022
    Inventor: Seong Wook CHOI
  • Patent number: 11380888
    Abstract: An electrode and a lithium secondary battery including the same. By preparing an electrode including an electrode active layer formed using a structure capable of supporting an electrode active material, safety and charge and discharge properties of a battery are improved due to morphological characteristics of the electrode active material being supported inside the structure.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 5, 2022
    Assignees: LG ENERGY SOLUTION, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byoungkuk Son, Jang Wook Choi, Byung Gon Kim, Minchul Jang, Eunkyung Park, Junghun Choi, Donghyeon Kang
  • Publication number: 20220203334
    Abstract: Disclosed are a catalyst for oxidative coupling reaction of methane, a method for preparing the same, and a method for oxidative coupling reaction of methane using the same. The catalyst includes a mixed metal oxide, which is a mixed oxide of metals including sodium (Na), tungsten (W), manganese (Mn), barium (Ba) and titanium (Ti). It is possible to obtain paraffins, such as ethane and propane, and olefins, such as ethylene and propylene, with high efficiency through the method for oxidative coupling reaction of methane using the catalyst.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 30, 2022
    Inventors: Jeong-Myeong HA, Lien Thi DO, Jae Wook CHOI, Dong Jin SUH, Young Hyun YOON, Gi Seok YANG, Hyun Joo LEE
  • Publication number: 20220208124
    Abstract: A display device comprises a display panel including a plurality of sub-pixels defined by a plurality of gate lines and a plurality of data lines; and an auxiliary ground voltage line disposed between two adjacent data lines of the plurality of data lines.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seong-Wook CHOI, Jin-Uk LEE
  • Publication number: 20220195437
    Abstract: Antisense oligonucleotides are provided. These antisense oligonucleotides are useful in the preparation of gapmers for inhibition of Tau mRNA transcription. Inhibition of Tau mRNA transcription may result in decrease of amounts of Tau protein in a subject, allowing treatment of diseases and disorders related to expression of Tau, including Alzheimer's disease and primary tauopathies.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 23, 2022
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Dae-Shik KIM, Hyeong-Wook CHOI, Francis G. FANG, Yoshinori TAKAHASHI, Kenji KIKUTA, Hikaru YOSHIMURA, Wataru ITANO, Toshiki KUROKAWA, Ryo DAIRIKI, Zhi ZHOU, Mingde SHAN
  • Publication number: 20220199422
    Abstract: A method for atomic layer etching a metal containing layer is provided. At least a region of a surface of the metal containing layer is modified to form a modified metal containing region by exposing a surface of the metal containing layer to a modification gas, wherein adjacent to the modified metal containing region remains an unmodified metal containing region. The modified metal containing region is selectively removed with respect to the unmodified metal containing region by exposing the surface of the metal containing layer to an inert bombardment plasma generated from an inert gas.
    Type: Application
    Filed: April 27, 2020
    Publication date: June 23, 2022
    Inventors: Wenbing YANG, Mohand BROURI, Samantha SiamHwa TAN, Shih-Ked LEE, Yiwen FAN, Wook CHOI, Tamal MUKHERJEE, Ran LIN, Yang PAN