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: 11644989
    Abstract: A method and memory device of controlling a plurality of low power states are provided. The method includes: entering a low power mode state, in which memory cell rows of the memory device are refreshed and power consumption is lower than in a self-refresh mode state, in response to a low power state entry command; and exiting the low power mode state based on a low power mode exit latency time that is set in a mode register of the memory device or at least one of an alarm signal and a low power mode exit command.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeon-kyu Choi, Ki-seok Oh, Seung-jun Shin, Hye-ran Kim
  • Publication number: 20230133902
    Abstract: Disclosed herein is a washing machine, which includes a cabinet having a first opening and a washing space therein and a door assembly configured to open or close the first opening. The door assembly includes a door unit including a guide duct having one side forming a second opening and the other side connected to the washing space, and configured to be rotatable with respect to the cabinet, a sub-door configured to open or close the second opening and a sealing assembly configured to seal the other side of the guide duct. With this configuration, it is possible to effectively seal the inside of the washing machine.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 4, 2023
    Inventors: Jin Ho LEE, Han Kyu CHOI, Hwa Shik KIM
  • Patent number: 11636575
    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: Grant
    Filed: October 22, 2021
    Date of Patent: April 25, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Kyu Choi, Youngjun Kwak, Seohyung Lee
  • Patent number: 11637089
    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: Grant
    Filed: January 21, 2021
    Date of Patent: April 25, 2023
    Assignee: SK hynix Inc.
    Inventor: Bok Kyu Choi
  • Publication number: 20230117635
    Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; a protective layer stacked on a surface of the polarizer; and a retardation layer stacked on another surface of the polarizer, and the protective layer has an in-plane retardation of 3,000 nm or more at a wavelength of 550 nm, an optical axis of the protective layer is tilted at an angle of ?2° to +2° with respect to a light absorption axis of the polarizer, and the polarizer has a single transmittance of 44.0% or more and a minimum crossed transmittance of 0.005% or more at a wavelength of 400 nm to 700 nm.
    Type: Application
    Filed: October 19, 2022
    Publication date: April 20, 2023
    Inventors: Il Woong BAEK, Yeon Ju JUNG, Seo Young KANG, Seon Oh HWANG, Kwang Ho SHIN, Jong Kyu CHOI
  • Publication number: 20230119080
    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: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changyong SON, Deoksang KIM, Minsu KO, Jinwoo SON, Seungju HAN, Chang Kyu CHOI, Jae-Joon HAN
  • Patent number: 11630896
    Abstract: Biometric keystroke measure data derived from a computer-implemented long form examination taken by an examinee is received. Features are the extracted from the biometric keystroke measure data for the examinee. A similarity value is then determined, using one or more of a direct distance approach or a machine learning approach, for the extracted features relative to features extracted from biometric keystroke measure data derived from each of a plurality of other examinees while taking the long form examination. At least one of the determined similarity values is then identified having a value above a pre-defined threshold. The pre-defined threshold indicates a likelihood of the examinee being the same as one of the other examinees. Data can then be provided that characterizes the identification. Related apparatus, systems, techniques and articles are also described.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 18, 2023
    Assignee: Educational Testing Service
    Inventors: Paul Douglas Deane, Ick Kyu Choi, Jiangang Hao, Mo Zhang
  • Publication number: 20230111662
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of secondary battery cells; and a housing member including a cooling plate member, and a heat conductive member provided between the secondary battery cells and the cooling plate member to form a heat path for transferring heat from the secondary battery cells to the cooling plate member, the housing member having the plurality of secondary battery cells accommodated therein, wherein the heat conductive member is comprised such that a portion of the heat conductive member in contact with a secondary battery cell that is supercooled has a lower thermal conductivity than a remaining portion of the heat conductive member.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 13, 2023
    Inventors: Hae Ryong JEON, Seok Min KIM, Myeong Hwan Ma, Seo Roh RHEE, Seung Hoon JU, Yang Kyu CHOI, Dong Ha HWANG
  • Publication number: 20230115772
    Abstract: Disclosed is a monitoring method for visualizing a location of an inactive livestock in a livestock pen. This method includes extracting, by a video analysis device, livestock objects from a video image acquired for each frame and subsequently calculating center coordinates indicating a location of the inactive livestock based on coordinates of the extracted livestock objects, displaying, by a display device, an object icon representing the inactive livestock in a display region mapped to the calculated center coordinate among a plurality of display regions defined on a display screen, and emitting light by light emitting units selected based on the calculated center coordinate, among a plurality of lighting units installed in a livestock structure.
    Type: Application
    Filed: June 23, 2022
    Publication date: April 13, 2023
    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: 11625601
    Abstract: A lightened neural network, method, and apparatus, and recognition method and apparatus implementing the same. A neural network includes a plurality of layers each comprising neurons and plural synapses connecting neurons included in neighboring layers. Synaptic weights with values greater than zero and less than a preset value of a variable a, which is greater than zero, may be at least partially set to zero. Synaptic weights with values greater than a preset value of a variable b, which is greater than zero, may be at least partially set to the preset value of the variable b.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: April 11, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Jinwoo Son, Byungin Yoo, Chang Kyu Choi, Jae-Joon Han
  • Patent number: 11625473
    Abstract: A method and apparatus with selective combined authentication performs a single authentication based on a first modality among plural modalities, and in response to the single authentication having failed, determines whether to perform a combined authentication by a combination of two or more of the plural modalities, and selectively, depending on a result of the determining of whether to perform the combined authentication, performs the combined authentication.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: April 11, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jihye Kim, Seungju Han, Jaejoon Han, Minsu Ko, SungUn Park, Chang Kyu Choi
  • Publication number: 20230104974
    Abstract: Disclosed are an array substrate, a display panel and a method for repairing bad spots on the panel. The array substrate includes a substrate and a plurality of data lines and a plurality of scan lines provided on the substrate, the plurality of the data lines and a plurality of the scan lines are insulated and intersected mutually to define a plurality of sub-pixel areas provided in an array, each sub-pixel area is provided with a sub-pixel, the sub-pixel includes a plurality of pixel electrodes provided in a same layer and spaced to form a plurality of light-emitting areas, two adjacent pixel electrodes are electrically connected to each other via a connection electrode, and a pixel driving circuit is electrically connected to a corresponding data line, a corresponding scan line, and a corresponding pixel electrode.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 6, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: WON KYU LEE, SEUNG KYU CHOI, Kerong WU, IL NAM SONG, HAE WON KIM, Boling TANG, Haijiang YUAN
  • Patent number: 11617133
    Abstract: A power control method of a base station in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA) is provided for reducing power consumption by turning off the bias of the power amplifier for the duration of a symbol carrying no user data. The method includes checking scheduling information of radio resources, detecting a symbol carrying no user data, based on the scheduling information, and turning off a bias of the power amplifier for a symbol duration of the symbol carrying no user data. The transmission power control method is capable of reducing power consumption of the base station by turning off the bias of the power amplifier of the base station for the symbol duration in which no user data is transmitted.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: March 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Geun Lee, Young Bae Park, Young Kyu Choi, Ki Back Kim
  • Patent number: 11617134
    Abstract: A power control method of a base station in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA) is provided for reducing power consumption by turning off the bias of the power amplifier for the duration of a symbol carrying no user data. The method includes checking scheduling information of radio resources, detecting a symbol carrying no user data, based on the scheduling information, and turning off a bias of the power amplifier for a symbol duration of the symbol carrying no user data. The transmission power control method is capable of reducing power consumption of the base station by turning off the bias of the power amplifier of the base station for the symbol duration in which no user data is transmitted.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: March 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Geun Lee, Young Bae Park, Young Kyu Choi, Ki Back Kim
  • Publication number: 20230079498
    Abstract: A battery module includes a battery cell assembly formed by stacking a plurality of battery units, wherein each battery unit include at least one battery cell including electrode leads; a busbar assembly electrically connected to the electrode leads of the plurality of battery units; and a module housing structured to cover at least a portion of an external surface of the battery cell assembly and the busbar assembly, wherein the battery unit includes a venting member configured to discharge gas generated in the battery unit externally of the battery unit, and wherein the module housing includes a discharge guide member configured to guide gas being discharged from the venting member to flow in a predetermined direction.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 16, 2023
    Inventors: Hae Ryong JEON, Yang Kyu CHOI
  • Publication number: 20230084013
    Abstract: A battery cell bundle includes a support member including at least one barrier wall including first and second sides; a plurality of first battery cells disposed on the first side of the at least one barrier wall; a plurality of second battery cells disposed on the second side of the at least one barrier wall; a cover member surrounding at least a portion of an outer portion of the plurality of first and second battery cells, and coupled to the support member such that the cover member and the support member define an internal space; and a panel member covering ends of the internal space, wherein the internal space is divided into a plurality of installation spaces by the at least one barrier wall, and wherein the first and second battery cells are disposed in each of the installation spaces.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 16, 2023
    Inventors: Hae Ryong JEON, Ji Eun KANG, Yang Kyu CHOI
  • Publication number: 20230080035
    Abstract: A battery cell bundle comprises a support member including a barrier wall including first and second sides extending from an end of the support member; a plurality of first battery cells disposed on the first side of the barrier wall and a plurality of second battery cells disposed on the second side of the barrier wall; and an internal busbar to electrically connect the plurality of battery cells to each other, wherein the internal busbar includes a first busbar to electrically connect the plurality of first battery cells to each other, and a second busbar to electrically connect the plurality of second battery cells to each other, and wherein a portion of the first busbar is electrically connected to a portion of the second busbar.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 16, 2023
    Inventors: Hae Ryong JEON, Ji Eun KANG, Yang Kyu CHOI
  • Publication number: 20230072119
    Abstract: The present invention relates to a method for isolation of autologous cancer antigen-specific CD8 T cell by using CD71 and uses thereof. In case of isolating autologous cancer antigen-reactive CD8 T cells using the isolation method of the present invention, it is possible to provide significant anticancer effects by amplifying a large amount of CD8 T cells even with less blood since CD8 T cells responding to various cancer antigens in addition to CD8 T cells specific for autologous cancer antigen are also separated. Therefore, it can be effectively used for immunotherapy that induces temporary immunodeficiency for treatment such as adoptive cell therapy.
    Type: Application
    Filed: February 2, 2021
    Publication date: March 9, 2023
    Applicant: SAMDA BIOTEC CO., LTD
    Inventors: Beom Kyu CHOI, Seon Hee KIM, Eun Sook LEE
  • Publication number: 20230070367
    Abstract: A battery cell includes an electrode assembly including a plurality of electrode plates; and a pouch surrounding the electrode assembly, wherein the pouch includes a folded portion folded along one edge of the electrode assembly; a sealing portion formed along a remaining edge of the electrode assembly; and a bend portion including a portion in which the sealing portion and the folded portion meet, therein the portion is bent toward the sealing portion.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 9, 2023
    Inventors: Seo Roh RHEE, Ha Chul JEONG, Yang Kyu CHOI, Jeong Woo HAN
  • Patent number: 11600600
    Abstract: A semiconductor package includes: a first semiconductor chip stack including a plurality of first semiconductor chips which are stacked in a vertical direction; a bridge die stack disposed to be spaced apart from the first semiconductor chip stack in a horizontal direction and including a plurality of bridge dies which are stacked in the vertical direction, wherein the bridge dies include through electrodes, respectively, and the through electrodes aligned in the vertical direction are connected to each other through a connection electrode between the bridge dies; a redistribution layer disposed over the first semiconductor chip stack and the bridge die stack; a second semiconductor chip disposed over the redistribution layer and configured to receive a voltage through the through electrodes aligned in the vertical direction, the connection electrode, and the redistribution layer; and a voltage regulator configured to adjust the voltage.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: March 7, 2023
    Assignee: SK hynix Inc.
    Inventor: Bok Kyu Choi