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: 10454099
    Abstract: A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. The positive active material includes a core including a lithium intercalation compound and a crystalline coating compound on a surface of the core and including a crystalline aluminum hydroxide, a crystalline aluminum oxyhydroxide, or a combination thereof.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-hun Lee, Ji-Yeon Jang, Soon-Kie Hong, Young-Ki Kim, Soon-Rewl Lee, Ick-Kyu Choi, Ji-Hyun Kim, Soo-Youn Park, Hyun-Joo Je, Chang-Wook Kim, Kyu-Suk Han
  • Patent number: 10452976
    Abstract: A neural network recognition method includes obtaining a first neural network that includes layers and a second neural network that includes a layer connected to the first neural network, actuating a processor to compute a first feature map from input data based on a layer of the first neural network, compute a second feature map from the input data based on the layer connected to the first neural network in the second neural network, and generate a recognition result based on the first neural network from an intermediate feature map computed by applying an element-wise operation to the first feature map and the second feature map.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungin Yoo, Youngsung Kim, Youngjun Kwak, Chang Kyu Choi
  • Patent number: 10452977
    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: July 20, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Jinwoo Son, Byungin Yoo, Chang Kyu Choi, Jae-Joon Han
  • Patent number: 10450691
    Abstract: Disclosed are provided a drum washing machine having an improved coupling structure of a door and a cabinet. A drum washing machine comprising: a cabinet forming an outer appearance of the drum washing machine, and having an opening into which laundry is put; a door configured to open and close the opening of the cabinet; a hinge assembly including a hinge shaft to support the door such that the door is rotatable with respect to the cabinet; and an reinforcement member configured to support the cabinet and the hinge assembly, and rotatably connected to the hinge shaft.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Han Kyu Choi
  • Publication number: 20190315738
    Abstract: The present invention relates to a novel imidazopyridine derivative, a method for preparing the same, and a pharmaceutical composition containing the same as an active ingredient for preventing or treating cancer. The novel imidazopyridine derivative according to the present invention, a stereoisomer thereof and a pharmaceutically acceptable salt thereof can effectively inhibit cancer-related kinases, are excellent in inhibiting proliferation of cancer cells in a cancer cell line, and effectively inhibit proliferation of cancer cells (cancer cell apoptosis) in a cancer cell heterograft model, and thus can be useful as a pharmaceutical composition containing the same as an active ingredient for preventing or treating cancer.
    Type: Application
    Filed: June 20, 2017
    Publication date: October 17, 2019
    Applicant: DAEGU-GYEONGBUK MEDICAL INNOVATION FOUNDATION
    Inventors: Hwan Geun Choi, Jung Beom Son, Shinae Kim, Seungyeon Lee, Eunhwa Ko, Joongheui Cho, Seock Yong Kang, So Young Kim, Jin-Hee Park, Yi Kyung Ko, Hee Yoon Ryu, Nam Doo Kim, Hyunkyoung Kim, Younho Lee, Sun-Hwa Lee, Dayea Kim, Sun Joo Lee, Seongho Hong, Sang Hyun Min, Sungwoo Lee, Dong Kyu Choi, Jae Hyun Bae, Eunmi Hong, Tae-ho Jang, Jaeyoung Song, Sangbum Kim, Suk Kyoon Yoon
  • Patent number: 10446878
    Abstract: Provided is a bus bar structure which may be suitable for reducing an occupied area of a printed circuit board (PCB) by removing a fuse from the PCB in an interconnect board (ICB) assembly of a battery pack. According to the present disclosure, the bus bar structure may include: bus bars which face each other and are arranged below the PCB in the ICB assembly of the battery pack; and a fuse case between the bus bars, wherein the fuse case includes a fuse wire therein and is configured to bring the fuse wire into contact with the bus bars via at least one end thereof.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: October 15, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yang-Kyu Choi, Bo-Sung Kim, Sang-Yoon Jeong, Seong-Tae Kim, Jun-Yeob Seong
  • Patent number: 10445546
    Abstract: An authentication method and corresponding apparatus includes obtaining iris images, and constituting an enroll set including iris codes and mask codes corresponding to the iris images. The authentication method and corresponding apparatus also include generating a synthesized code including a synthesized iris code and a synthesized mask code based on correlations between the iris codes included in the enroll set in block units.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jihye Kim, Sungjoo Suh, Hyunjeong Lee, Chang Kyu Choi
  • Patent number: 10446815
    Abstract: The present disclosure discloses a pack case suitable for preventing vibration or deviation of a battery module on a case during an assembly operation, and a battery pack including the same. The pack case according to the present disclosure includes an align unit and a bus bar disposed at an edge on an inner circumferential surface, and a main case having a connection terminal contacting the bus bar on an outer circumferential surface, and the align unit and the bus bar contact a battery module at a periphery of the battery module seated on the inner circumferential surface of the main case.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: October 15, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hyuk An, Seong-Tae Kim, Jun-Yeob Seong, Sang-Yoon Jeong, Yang-Kyu Choi
  • Patent number: 10434400
    Abstract: The present invention relates to a transformer toy car that automatically transforms the shape to turn a card over to provide the information on the card, if the card is attached to the transformer toy car. The transformer toy car includes: a separable toy car body; and cards adapted to be attached to the underside of the toy car body, wherein if one of the cards is attached to the underside of the toy car body, a portion of the separable toy car body is separated, and a portion of the separated toy car body pressurizes a floor surface, thereby making the toy car body stand up or turn over and thus allowing the underside surface of the card attached to the underside of the toy car body to be exposed to the outside.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: October 8, 2019
    Inventor: Shin-Kyu Choi
  • Publication number: 20190304517
    Abstract: A method of operating memory devices disposed in different ranks of a multi-rank memory device and sharing a signal line includes receiving, in all of the memory devices included in the multi-rank memory device, on-die termination (ODT) state information of the signal line. The method further includes storing, in each of the memory devices of the multi-rank memory device, the ODT state information of the signal line in a mode register. The method further includes generating, in each of the memory devices of the multi-rank memory device, a control signal based on the ODT state information of the signal line stored in the mode register. The method further includes changing, in each of the memory devices of the multi-rank memory device, an ODT setting of the signal line in response to the control signal.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 3, 2019
    Inventors: Dae-Sik Moon, Kyung-soo Ha, Young-Soo Sohn, Ki-Seok Oh, Chang-Kyo Lee, Jin-Hoon Jang, Yeon-Kyu Choi, Seok-Hun Hyun
  • Publication number: 20190306042
    Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for detecting a counterfeit advertiser by a server includes detecting a random delay time or a cumulative interval for a reference device based on a time stamp for an advertisement packet received from the reference device, and detecting a random delay time or a cumulative interval for a receiving device other than the reference device based on a time stamp for an advertisement packet received from the receiving device.
    Type: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Inventors: Dae-Kyu CHOI, Sin-Seok SEO, Ki-Seok LEE, Do-Hy HONG
  • Patent number: 10431783
    Abstract: The present disclosure discloses a battery pack that realizes miniaturization and weight reduction by minimizing the number of components of the structure, and that is suitable for pursuing dispersion of external force and structural rigidity using the shape of the structure. The battery pack according to the present disclosure is characterized to include a lower case including both inclined side walls and fixating members facing each other at the both side walls, a battery cartridge disposed between the fixating members in the lower case, and an upper case covering the lower case and the battery cartridge, wherein the battery cartridge contacts the both side walls and the fixating members in the lower case.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: October 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yang-Kyu Choi, Seong-Tae Kim, Jun-Yeob Seong, Hyuk An, Sang-Yoon Jeong
  • Publication number: 20190291016
    Abstract: The purpose of the present invention is to provide a transformable toy car, the driving of which can be controlled from a remote location and which transforms from a car shape into an arbitrary second shape, thereby exposing the lower surface of an attached card when an arbitrary card is attached to the car while the car is traveling.
    Type: Application
    Filed: May 8, 2019
    Publication date: September 26, 2019
    Inventor: Shin-Kyu CHOI
  • Publication number: 20190293236
    Abstract: Disclosed is a liquefied natural gas storage apparatus. The apparatus includes a heat insulated tank and liquefied natural gas contained in the tank. The tank has heat insulation sufficient to maintain liquefied natural gas therein such that most of the liquefied natural gas stays in liquid. The contained liquefied natural gas has a vapor pressure from about 0.3 bar to about 2 bar. The apparatus further includes a safety valve configured to release a part of liquefied natural gas contained in the tank when a vapor pressure of liquefied natural gas within the tank becomes higher than a cut-off pressure. The cut-off pressure is from about 0.3 bar to about 2 bar.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Inventors: Jung Han LEE, Jung Ho CHOI, Sung Kon HAN, Dong Kyu CHOI, Young Sik MOON
  • Publication number: 20190294241
    Abstract: A method and apparatus for a user interface using a gaze interaction is disclosed. The method for the user interface using the gaze interaction may include obtaining an image including eyes of a user, estimating a gaze position of the user, using the image including the eyes of the user, and determining whether to activate a gaze adjustment function for controlling a device by a gaze of the user, based on the gaze position of the user with respect to at least one toggle area on a display.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Kyu CHOI, Sung Joo SUH, Joon Ah PARK, Du Sik PARK
  • Publication number: 20190294907
    Abstract: At least some example embodiments disclose a device and a method for generating a synthetic image and a different-angled image and eliminating noise. The method may include receiving input images, extracting feature values corresponding to the input images using an image learning model, the image learning model permitting an input and an output to be identical and generating a synthetic image based on the feature values corresponding to the input images using the image learning model.
    Type: Application
    Filed: June 11, 2019
    Publication date: September 26, 2019
    Applicants: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Byungin YOO, Jun Ho YIM, Jun Mo KIM, Hee Chul JUNG, Chang Kyu CHOI, Jaejoon HAN
  • Patent number: 10418514
    Abstract: Exemplary embodiments of the present invention disclose a light emitting diode including an n-type contact layer doped with silicon, a p-type contact layer, an active region disposed between the n-type contact layer and the p-type contact layer, a superlattice layer disposed between the n-type contact layer and the active region, the superlattice layer including a plurality of layers, an undoped intermediate layer disposed between the superlattice layer and the n-type contact layer, and an electron reinforcing layer disposed between the undoped intermediate layer and the superlattice layer. Only a final layer of the superlattice layer closest to the active region is doped with silicon, and the silicon doping concentration of the final layer is higher than that of the n-type contact layer.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: September 17, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Kwang Joong Kim, Chang Suk Han, Kyung Hee Ye, Seung Kyu Choi, Ki Bum Nam, Nam Yoon Kim, Kyung Hae Kim, Ju Hyung Yoon
  • Publication number: 20190279052
    Abstract: A method of recognizing a feature of an image may include receiving an input image including an object; extracting first feature information using a first layer of a neural network, the first feature information indicating a first feature corresponding to the input image among a plurality of first features; extracting second feature information using a second layer of the neural network, the second feature information indicating a second feature among a plurality of second features, the indicated second feature corresponding to the first feature information; and recognizing an element corresponding to the object based on the first feature information and the second feature information.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 12, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seungju HAN, Sungjoo Suh, Jaejoon Han, Chang Kyu Choi
  • Patent number: 10399655
    Abstract: A ship includes: a boil-off gas heat exchanger which heat-exchanges a compressed boil-off gas (“a first fluid”) by means of a boil-off gas discharged from the storage tank as a refrigerant; a compressor installed on the downstream of the boil-off gas heat exchanger and compressing a part of the boil-off gas discharged from the storage tank; first and second extra compressors provided in parallel with the compressor on the downstream of the boil-off gas heat exchanger and compressing the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by means of the boil-off gas heat exchanger; a refrigerant decompressing device which expands a second fluid, which has been sent to the refrigerant heat exchanger and cooled by means of the refrigerant heat exchanger, and then sending the expanded second fluid back to the refrigerant heat exchanger.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 3, 2019
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Hyun Jun Shin, Dong Kyu Choi, Young Sik Moon, Su Kyung An, Hyun Min Jang, Jae Wook Son, Joon Chae Lee
  • Patent number: 10403078
    Abstract: Disclosed herein is an apparatus for processing a medium, including: a accepting unit in which the medium is loaded; a dispending unit from which the medium is withdrawn; a medium discriminator configured to discriminate a denomination of the medium loaded into the accepting unit; a plurality of medium storage boxes configured to each discriminate and store the medium by denomination of the medium discriminated by the medium discriminator; and a controller configured to store the medium loaded through the accepting unit by the same denomination in the medium storage box and withdraw the loaded medium from the medium storage box according to a predetermined withdrawal criterion.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: September 3, 2019
    Assignee: ATEC AP CO., LTD.
    Inventor: Min Kyu Choi