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).

  • Publication number: 20220065446
    Abstract: Provided is a cyclonic plasma melting furnace. A melting furnace chamber body includes an inlet through which waste is input and an outlet through which air or gas is discharged. The outlet is provided in a direction opposite to the inlet. At least one plasma torch is provided on the melting furnace chamber body so as to be inclined at a predetermined angle with respect to a direction in which the air or the gas is discharged through the outlet.
    Type: Application
    Filed: December 5, 2020
    Publication date: March 3, 2022
    Applicant: KOREA INSTITUTE OF FUSION ENERGY
    Inventors: Yong Sup Choi, Dae Hyun Choi, In Je Kang, Ji Hun Kim, Sung Hoon Jee, Dong Hun Shin, Seong Bong Kim, Soon Mo Hwang, Chi Kyu Choi
  • Publication number: 20220069813
    Abstract: A buffer circuit configured to receive first and second input signals through first and second input transistors coupled to a first power voltage node, output a first output signal through a first output node and a second output signal through a second output node based on the first and second input signals. A load circuit is coupled among the first output node, the second output node, and a second power voltage node and a resistance value is adjusted based on at least one of the first and second output signals.
    Type: Application
    Filed: February 9, 2021
    Publication date: March 3, 2022
    Applicant: SK hynix Inc.
    Inventors: Sun Ki Cho, Dong Uc Ko, Yang Ho Sur, Jun Yong Song, Sung Gil Jang, Hae Kang Jung, Min Sung Cheon, Chang Kyu Choi, Tae Jin Hwang
  • Publication number: 20220068884
    Abstract: A semiconductor package may include a base layer; a first semiconductor chip disposed over and spaced apart from the base layer; a second semiconductor chip stack disposed between the base layer and the first semiconductor chip, the second semiconductor chip stack including a plurality of second semiconductor chips that are stacked in a vertical direction; a bridge die stack disposed between the base layer and the first semiconductor chip and disposed to be spaced apart from the second semiconductor chip stack, the bridge die stack including a plurality of bridge dies that are stacked in the vertical direction and electrically connecting the first semiconductor chip and the base layer to supply power; and a vertical interconnector disposed between the base layer and the first semiconductor chip and disposed to be spaced apart from the second semiconductor chip stack and the bridge die stack, the vertical interconnector electrically connecting the first semiconductor chip and the base layer to transmit a signa
    Type: Application
    Filed: January 21, 2021
    Publication date: March 3, 2022
    Applicant: SK hynix Inc.
    Inventor: Bok Kyu CHOI
  • Publication number: 20220067419
    Abstract: A method and apparatus for processing an image based on partial images. The method includes extracting a feature of a current partial processing region of an input image frame by inputting pixel data of the current partial processing region into a convolutional neural network (CNN), updating a hidden state of a recurrent neural network (RNN) for a context between the current partial processing region and at least one previous partial processing region by inputting the extracted feature into the RNN, and generating an image processing result for the input image frame based on the updated hidden state.
    Type: Application
    Filed: February 17, 2021
    Publication date: March 3, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: JAEHYOUNG YOO, CHANGYONG SON, DONGWOOK LEE, JAEJOON HAN, CHANG KYU CHOI
  • Patent number: 11264319
    Abstract: Provided is a storage system including a decoupling device having a plurality of unit capacitors. The storage system includes a storage device, a control device, and a decoupling device disposed on a circuit substrate. The storage device is configured to receive and store data from the control device. The control device is configured to generate an inner voltage. The decoupling device is connected to the control device and decouples the inner voltage. The decoupling device includes a plurality of unit capacitors constituting a plurality of decoupling capacitors. Each of the unit capacitors includes a plurality of capacitor elements, a first terminal, and a second terminal. Some of the unit capacitors are selectively connected with each other to constitute the decoupling capacitors having various capacitances.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 1, 2022
    Assignee: SK hynix Inc.
    Inventor: Bok Kyu Choi
  • Publication number: 20220059452
    Abstract: Provided is a storage system including a decoupling device having a plurality of unit capacitors. The storage system includes a storage device, a control device, and a decoupling device disposed on a circuit substrate. The storage device is configured to receive and store data from the control device. The control device is configured to generate an inner voltage. The decoupling device is connected to the control device and decouples the inner voltage. The decoupling device includes a plurality of unit capacitors constituting a plurality of decoupling capacitors. Each of the unit capacitors includes a plurality of capacitor elements, a first terminal, and a second terminal. Some of the unit capacitors are selectively connected with each other to constitute the decoupling capacitors having various capacitances.
    Type: Application
    Filed: January 13, 2021
    Publication date: February 24, 2022
    Applicant: SK hynix Inc.
    Inventor: Bok Kyu CHOI
  • Publication number: 20220058125
    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: Application
    Filed: January 21, 2021
    Publication date: February 24, 2022
    Inventors: Do Hyeong LEE, Yu Jung LEE, Min Kyu CHOI
  • Patent number: 11256906
    Abstract: Disclosed is a face verification method and apparatus. The method including analyzing a current frame of a verification image, determining a current frame state score of the verification image indicating whether the current frame is in a state predetermined as being appropriate for verification, determining whether the current frame state score satisfies a predetermined validity condition, and selectively, based on a result of the determining of whether the current frame state score satisfies the predetermined validity condition, extracting a feature from the current frame and performing verification by comparing a determined similarity between the extracted feature and a registered feature to a set verification threshold.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: February 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Wonsuk Chang, Deoksang Kim, Dae-Kyu Shin, Byungin Yoo, Seungju Han, Jaejoon Han, Jinwoo Son, Chang Kyu Choi
  • Publication number: 20220053113
    Abstract: A system and method of monitoring in-pen livestock by using edge information about livestock are provided. The method controls a plurality of edge lightings and cameras installed in a pen by using a synchronization signal and accurately acquires and synthesizes edge information about livestock obtained on the basis of a control result to generate monitoring information about livestock.
    Type: Application
    Filed: August 13, 2021
    Publication date: February 17, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: You Jin KIM, Se Han KIM, Dae Heon PARK, Hyeon Park, Jee Sook EUN, Jae young JUNG, Seng Kyoun JO, Won Kyu CHOI
  • Patent number: 11251173
    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: Grant
    Filed: May 8, 2020
    Date of Patent: February 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon Ryong Park, Ju Yeop Seong, Hyun Kyu Choi
  • Publication number: 20220044040
    Abstract: A processor-implemented liveness test method includes detecting a face region in a query image, the query image including a test object for a liveness test, determining a liveness test condition to be applied to the test object among at least one liveness test condition for at least one registered user registered in a registration database, determining at least one test region in the query image based on the detected face region and the determined liveness test condition, obtaining feature data of the test object from image data of the determined at least one test region using a neural network-based feature extractor, and determining a result of the liveness test based on the obtained feature data and registered feature data registered in the registration database and corresponding to the determined liveness test condition.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Youngjun KWAK, Byung In YOO, Youngsung KIM, Chang Kyu CHOI, Jaejoon HAN
  • Publication number: 20220044361
    Abstract: A processor-implemented method of generating feature data includes: receiving an input image; generating, based on a pixel value of the input image, at least one low-bit image having a number of bits per pixel lower than a number of bits per pixel of the input image; and generating, using at least one neural network, feature data corresponding to the input image from the at least one low-bit image.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Kyu CHOI, Youngjun KWAK, Seohyung LEE
  • Publication number: 20220044009
    Abstract: A face verifying method and apparatus. The face verifying method includes detecting a face region from an input image, generating a synthesized face image by combining image information of the face region and reference image information, based on a determined masking region, extracting one or more face features from the face region and the synthesized face image, performing a verification operation with respect to the one or more face features and predetermined registration information, and indicating whether verification of the input image is successful based on a result of the performed verification operation.
    Type: Application
    Filed: October 26, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seungju HAN, Minsu KO, Deoksang KIM, Chang Kyu CHOI, Jaejoon HAN
  • Patent number: 11242123
    Abstract: A system for reliquefying a boil off gas generated in a storage tank includes a first compressor compressing a partial amount (hereinafter, referred to as ‘fluid a’) of boil off gas discharged from the storage tank, a second compressor compressing another partial amount (hereinafter, referred to as ‘fluid b’) of boil off gas discharged from the storage tank, a second expanding unit expanding a partial amount (hereinafter, referred to as ‘fluid c’) of a flow formed as the fluid a and the fluid b join, a heat-exchanger cooling another partial amount (hereinafter, referred to as ‘fluid d’) of the flow formed as the fluid a and the fluid b join, and a first expanding unit expanding the fluid d cooled by the heat-exchanger, wherein the heat-exchanger heat-exchanges the fluid d with the fluid c as a coolant expanded by the second expanding unit to cool the fluid d.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: February 8, 2022
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Hyun Jun Shin, Dong Kyu Choi, Young Sik Moon, Su Kyung An, Joon Chae Lee
  • Publication number: 20220037726
    Abstract: A battery pack includes a plurality of cell stack units, each stack unit including a stack of a plurality of battery cells, a partition wall member disposed between the cell stack units adjacent to each other, and a pack housing accommodating the plurality of cell stack units and a plurality of partition wall members. The cell stack unit and the partition wall member are accommodated in the pack housing while side surface of the cell stack unit and a side surface of the partition wall member are in contact with each other, and the partition wall member is fixed to a bottom surface of the pack housing.
    Type: Application
    Filed: July 28, 2021
    Publication date: February 3, 2022
    Inventors: Young Sun CHOI, Hae Ryong JEON, Yang Kyu CHOI, Eun Jeong CHOI
  • Publication number: 20220036168
    Abstract: Disclosed is an ion controllable transistor-based neuromorphic synaptic device used for a memory and a neuromorphic computing in such a manner that a synaptic weight is analogically updated and maintained. The ion controllable transistor-based neuromorphic synaptic device includes a channel area formed on a semiconductor substrate; a source area and a drain area formed at both sides of the channel area, respectively; an interlayer insulating film provided on the channel area; a gate area formed on the interlayer insulating film; and a solid electrolyte layer inserted between the interlayer insulating film and the gate area.
    Type: Application
    Filed: July 26, 2021
    Publication date: February 3, 2022
    Inventors: Yang-Kyu CHOI, Ji-Man YU
  • Publication number: 20220033413
    Abstract: The present invention relates to new compounds derived from marine actinomycetes Streptomyces, and the new compound according to the present invention has an inhibitory effect of NO production on BV-2 microglia stimulated with LPS, and thus can be utilized for the prevention and treatment of neuroinflammatory diseases.
    Type: Application
    Filed: June 3, 2019
    Publication date: February 3, 2022
    Applicant: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY
    Inventors: Hee Jae SHIN, Byeoung Kyu CHOI, Hwa Sun LEE, Hyi Seung LEE, Yeon Ju LEE, Jong Seok LEE, Ji Hoon LEE
  • Publication number: 20220020690
    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: Application
    Filed: November 3, 2020
    Publication date: January 20, 2022
    Applicant: SK hynix Inc.
    Inventors: Ki Bum KIM, Bok Kyu CHOI
  • Publication number: 20220020540
    Abstract: A switching device in accordance with the present invention includes a first electrode and a second electrode, and the second electrode includes a body part and a cantilever connected to the body part. In addition, one end of a the cantilever comes into contact with the first electrode by an electrostatic force generated by a voltage applied to the first electrode and the second electrode, and the one end of the cantilever is separated from the first electrode due to heat generated by a voltage applied to both ends of the body part. In addition, the second electrode may include a 2-1 electrode, a 2-2 electrode, and an engineered beam connected in between.
    Type: Application
    Filed: July 29, 2020
    Publication date: January 20, 2022
    Applicants: Korea Advanced Institute of Science And Technology, Samsung Electronics Co., Ltd.
    Inventors: Jun-Bo YOON, Pan Kyu CHOI, Yong Bok LEE, Subon KIM, Suhyun KIM
  • Publication number: 20220020300
    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: Application
    Filed: September 30, 2021
    Publication date: January 20, 2022
    Inventors: Hyeong Jun KIM, Jong Hun LEE, Min Kyu CHOI