Patents by Inventor Kyu Choi

Kyu 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: 11532177
    Abstract: A face verification method and apparatus is disclosed. The face verification method includes selecting a current verification mode, from among plural verification modes, to be implemented for the verifying of the face, determining one or more recognizers, from among plural recognizers, based on the selected current verification mode, extracting feature information from information of the face using at least one of the determined one or more recognizers, and indicating whether a verification is successful based on the extracted feature information.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: December 20, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Deoksang Kim, Minsu Ko, Jinwoo Son, Seungju Han, Chang Kyu Choi, Jae-Joon Han
  • Publication number: 20220397715
    Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; an antireflection film stacked on a first surface of the polarizer; and a retardation film stacked on a second surface of the polarizer, and the antireflection film has a water vapor transmission rate of 1 g/m2·day to 30 g/m2·day, and the retardation film has a water vapor transmission rate of 1 g/m2·day to 100 g/m2·day.
    Type: Application
    Filed: June 7, 2022
    Publication date: December 15, 2022
    Inventors: Seon Oh HWANG, Yeon Ju JUNG, Seo Young KANG, Kwang Ho SHIN, Jong Kyu CHOI, Il Woong BAEK, Bong Choon KIM
  • Patent number: 11521140
    Abstract: A work object processing apparatus includes: a message thread processing unit configured to be displayed through a chat room of an Internet messenger associated with a message thread, to receive a work object including a work producer, a work processor, and work contents, and to process a work object operation on the message thread; and a work object processing unit configured to process a work object state of the work object changed, from among a plurality of work object states of the work object included in a work processing diagram, based on a work interaction between the work producer and the work processor.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: December 6, 2022
    Assignees: DELTA PDS CO., LTD.
    Inventors: Hyun Kyu Choi, Dong Kyu Choi, Jae Ho Choi
  • Publication number: 20220384831
    Abstract: Disclosed are fuel cells including a membrane electrode assembly (MEA), a separator stacked on a surface of the membrane electrode assembly, a beading portion protruding from a first surface of the separator that faces the membrane electrode assembly, and a sealing member disposed between the membrane electrode assembly and the beading portion and being configured to seal a portion between the membrane electrode assembly and the separator, thereby ensuring rigidity and improving safety and reliability of the fuel cell.
    Type: Application
    Filed: October 7, 2021
    Publication date: December 1, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Hyun Jeong KIM, Bae Jung KIM, Ah Reum KIM, Hyun Kyu CHOI, Zuh Youn VAHC, Sun Hwi KIM, Chan Gi KIM
  • Publication number: 20220383931
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Application
    Filed: July 29, 2022
    Publication date: December 1, 2022
    Inventors: DAE-SIK MOON, GIL-HOON CHA, KI-SEOK OH, CHANG-KYO LEE, YEON-KYU CHOI, JUNG-HWAN CHOI, KYUNG-SOO HA, SEOK-HUN HYUN
  • Publication number: 20220384874
    Abstract: Provided is a method for designing a battery module including a cell assembly in which a plurality of battery cells are stacked and a module case having an internal space in which the cell assembly is accommodated, the method including: a) setting a lowermost portion of the module case with respect to a direction of gravity as a design side, and setting a region between the design side and the cell assembly as a design space; and b) obtaining a relative permittivity ?r of the design space satisfying Equation 1 ?r?0A0/T1?PCy by assuming that a shape of the design space is a form of a film having an area of A0 and a thickness of T0.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 1, 2022
    Inventors: Seo Roh RHEE, Hae Ryong JEON, Yang Kyu CHOI
  • Patent number: 11514290
    Abstract: Disclosed is a convolutional neural network (CNN) processing apparatus and method, the apparatus configured to determine a loading space unit for at least one loading space in an input based on a height or a width for an input feature map of the input and an extent of a dimension of a kernel feature map, load target input elements corresponding to a target loading space, among the at least one loading space, from a memory and store the target input elements in an allocated input buffer having a size corresponding to the loading space unit, and perform a convolution operation between the target input elements stored in the input buffer and at least one kernel element of a kernel.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinwoo Son, Changyong Son, Jaejoon Han, Chang Kyu Choi
  • Patent number: 11513459
    Abstract: A power supply apparatus to supply power to an image forming device, the power supply apparatus includes an amplifier to amplify an input AC power by a general amplification or a double amplification, a converter to receipt the input AC power amplified by the general amplification or the double amplification and output a DC power with a determined size. A controller control applying the general amplification or the double amplification to the converter, in response to an operating mode of the image forming device.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: November 29, 2022
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Sung Kyu Choi, An Sik Jeong
  • Patent number: 11514602
    Abstract: A gaze estimation method includes receiving, by a processor, input data including a current image and a previous image each including a face of a user, determining, by the processor, a gaze mode indicating a relative movement between the user and a camera that captured the current image and the previous image based on the input data, and estimating, by the processor, a gaze of the user based on the determined gaze mode, wherein the determined gaze mode is one of a plurality of gaze modes comprising a stationary mode and a motion mode.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tianchu Guo, Hui Zhang, Xiabing Liu, Chang Kyu Choi, Jaejoon Han, Yongchao Liu
  • Patent number: 11514826
    Abstract: The purpose of the present invention is to provide a magnetic fluid display in which a magnetic fluid moves in response to a magnetic field and which may display a unique visual image according to the meeting and parting of the magnetic fluid. A magnetic fluid display according to the present invention comprises: a display unit including a transparent liquid into which a magnetic fluid is injected; and a magnetic field generating unit for applying a magnetic field to the magnetic fluid at a rear surface of the display unit. When the magnetic field is applied, the magnetic fluid moves in the transparent liquid in a directional manner, so that an image may be displayed on the display unit.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: November 29, 2022
    Assignee: CK Materials LAB Co., Ltd.
    Inventors: Hyeong Jun Kim, Jong Hun Lee, Min Kyu Choi
  • Patent number: 11515254
    Abstract: A semiconductor chip may include: a body portion including a front surface and a back surface; penetrating electrodes penetrating the body portion; and back connection electrodes disposed over the back surface of the body portion and connected to the penetrating electrodes, wherein the penetrating electrodes include a power penetrating electrode for transmitting a power voltage and a ground penetrating electrode for transmitting a ground voltage, the back connection electrodes include a power back connection electrode connected to the power penetrating electrode and a ground back connection electrode connected to the ground penetrating electrode, and one power back connection electrode is connected with two or more power penetrating electrodes, and one ground back connection electrode is connected with two or more ground penetrating electrodes.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: November 29, 2022
    Assignee: SK hynix Inc.
    Inventors: Ki Bum Kim, Bok Kyu Choi
  • Patent number: 11508146
    Abstract: A convolutional neural network (CNN) processing method and apparatus. The apparatus may select, based on at least one of a characteristic of at least one kernel of a convolution layer or a characteristic of an input of the convolution layer, one operation mode from a first operation mode reusing a kernel, of the at least one kernel, and a second operation mode reusing the input, and perform a convolution operation based on the selected operation mode.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: November 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinwoo Son, Changyong Son, Chang Kyu Choi, Jaejoon Han
  • Patent number: 11507509
    Abstract: A memory system may transfer a reference write size for a memory device to a host, and, when receiving, from the host, a write request for first data having a size corresponding to a multiple of the reference write size, may directly write the first data to the memory device without caching the first data in a write cache.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: November 22, 2022
    Assignee: SK hynix Inc.
    Inventors: Do Hyeong Lee, Yu Jung Lee, Min Kyu Choi
  • Publication number: 20220362296
    Abstract: The disclosure provides immunogenic cells expressing LMP1, and use thereof in activating T cells and treating cancer. Also provided are methods of producing the immunogenic cells.
    Type: Application
    Filed: May 13, 2022
    Publication date: November 17, 2022
    Inventors: Baochun Zhang, IL-Kyu Choi, Zhe Wang
  • Publication number: 20220359928
    Abstract: Provided is a battery module having a bidirectional cooling structure. The A battery module comprising: a module case comprising an upper cover plate and a lower cover plate; and at least two pouch cells accommodated in the module case, respectively including sealed portions on three sides thereof, wherein among the sealed portions, a sealed portion from which no electrode lead protrudes is folded in one direction, and the folded sealed portion is positioned on a side of the upper cover plate or the lower cover plate of the module case, wherein a thermal adhesive is attached directly to a pouch side of at least one of the at least two pouch cells located in a direction opposite to a folding direction of the folded sealed portion.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 10, 2022
    Inventors: Seo Roh RHEE, Yang Kyu CHOI, Ji Eun KANG, Seok Min KIM, Sung Chul PARK, Ha Chul JEONG
  • Publication number: 20220352139
    Abstract: A display device including a display panel including a substrate, pixels provided on the substrate, and first lines connected to the pixels, the display device having a bending area where the display panel is bent. The display panel also includes a chip on film overlapping with a portion of the display panel and having second lines, an anisotropic conductive film provided between the chip on film and the display panel connecting the first lines and the second lines, and a coating layer covering the bending area and one end of the chip on film. In such a device, lines of the chip on film may be prevented from being corroded as they may be spaced apart from an edge of an insulating film.
    Type: Application
    Filed: February 13, 2022
    Publication date: November 3, 2022
    Inventors: Jun Namkung, Soon Ryong Park, Ju Yeop Seong, Hyun Kyu Choi
  • Publication number: 20220349895
    Abstract: The present invention relates to an apparatus for diagnosing solid cancers comprising lung cancer, pancreatic cancer, bile duct cancer, colorectal cancer, breast cancer, gastric cancer, brain tumors, kidney cancer, liver cancer, and cervical cancer. More specifically, the apparatus comprises: a concentration measurement unit for measuring the concentration of each of acyl-carnitine (AC), nudifloramide (2PY), and lysophosphatidylcholine (LPC) from a biological sample; a pre-processing unit for pre-processing the measured concentrations; and a diagnosis unit for determining the diagnosis information of cancer through linear discriminant analysis using the pre-processed concentrations.
    Type: Application
    Filed: March 6, 2020
    Publication date: November 3, 2022
    Applicant: InnoBation Bio Co., Ltd.
    Inventors: Byong Chul YOO, Kyung Hee KIM, Sang Jae PARK, Sang Myung WOO, Young Ju LEE, Jun Hwa LEE, Beom Kyu CHOI
  • Publication number: 20220344693
    Abstract: A fuel cell includes: a membrane electrode assembly (MEA); a first separator stacked on a first surface of the membrane electrode assembly; a second separator stacked on a second surface of the membrane electrode assembly; a first sealing member disposed on the first separator and configured to seal a space between the first separator and the membrane electrode assembly; a second sealing member disposed on the second separator and configured to seal a space between the second separator and the membrane electrode assembly; and a fastening part configured to fasten the first sealing member to the second sealing member.
    Type: Application
    Filed: July 12, 2021
    Publication date: October 27, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Hyun Jeong KIM, Bae Jung KIM, Ah Reum KIM, Zuh Youn VAHC, Hyun Kyu CHOI, Sun Hwi KIM, Chan Gi KIM
  • Patent number: 11482452
    Abstract: In a method of forming a contact plug in a semiconductor integrated circuit device, the contact plug may be formed in a process chamber of a substrate-processing apparatus. The process chamber may have a process space. The process chamber may include a substrate supporter placed in a lower region of the process space to support a semiconductor substrate, and a gas injector placed in an upper region of the process space to inject a gas to the semiconductor substrate. An insulating interlayer having a contact hole may be formed on the semiconductor substrate loaded into the process space. A nucleation layer may be formed on an inner surface of the contact hole and an upper surface of the insulating interlayer. A semi-bulk layer may be formed on the nucleation layer in a lower region of the contact hole. An inhibiting layer may be formed on the semi-bulk layer and the exposed nucleation layer. A main-bulk layer may be formed on the semi-bulk layer to fill the contact hole with the main-bulk layer.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: October 25, 2022
    Assignee: WONIK IPS CO., LTD
    Inventors: Won Jun Yoon, Woo Hoon Sun, Seok Kyu Choi, Tae Sung Han, Dong Woo Kim, Jin Wu Park
  • Publication number: 20220336826
    Abstract: A separator for a fuel cell, which is stacked on a reaction layer including a membrane electrode assembly (MEA) and a gas diffusion layer (GDL) stacked on the MEA includes: a plate body stacked on the GDL; stepped portions, on which a reactant gas flows in a first direction, disposed on a first surface of the plate body, the first surface facing the GDL, the stepped portions disposed in a second direction that intersects the first direction in which the reactant gas flows; lands disposed on the stepped portions so as to be spaced apart from one another in the second direction, the lands being in contact with the GDL; first channels defined between the GDL and the stepped portions so as to be disposed between adjacent lands, the first channels configured such that the reactant gas flows along the first channels; and second channels defined between the plate body and the GDL so as to communicate with the first channels, the second channels configured such that the reactant gas flows along the second channels.
    Type: Application
    Filed: August 10, 2021
    Publication date: October 20, 2022
    Inventors: Ah Reum KIM, Hyun Kyu CHOI, Hyun Jeong KIM, Zuh Youn VAHC, Bae Jung KIM, Sun Hwi KIM, Chan Gi KIM