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: 10032971
    Abstract: Provided are a light emitting device package and a lighting system including the light emitting device package. The light emitting device package includes a package body, at least one electrode on the package body, a light emitting device on the package body, a reflective structure around the light emitting device on the package body and a lens on the light emitting device and the electrode.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: July 24, 2018
    Assignee: LG Innotek Co., Ltd.
    Inventors: Yon Tae Moon, Yun Soo Song, Kwang Kyu Choi
  • Publication number: 20180206094
    Abstract: The present invention relates to a technology for sensor networks, machine to machine (M2M) communication, machine type communication (MTC) and the Internet of Things (IoT). The present disclosure can be utilized for smart services (smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security and safety-related services, etc.) based on the aforementioned technology.
    Type: Application
    Filed: July 26, 2016
    Publication date: July 19, 2018
    Inventor: Dae-Kyu CHOI
  • Publication number: 20180205625
    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: March 14, 2018
    Publication date: July 19, 2018
    Inventors: Dae-Kyu CHOI, Sin-Seok SEO, Ki-Seok LEE, Do-Hy HONG
  • Patent number: 10028222
    Abstract: An apparatus and method for controlling power in a communication system are provided. The method includes amplifying an input signal by a second processor farther from an antenna than a first processor, and determining whether to enable or disable each of the first processor and the second processor based on results from the amplification by the second processor. Another method includes amplifying an input signal from an antenna by a second processor electrically farther from the antenna than a first processor, and determining whether to operate the first processor and the second processor based on a value related to a reception state for the amplified signal by the second processor.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-Ho Son, Jeong-Ho Lee, Chul-Woo Byeon, Dae-Young Lee, Sun-Kyu Choi
  • Patent number: 10028089
    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 and apparatus for estimating a location in a terminal are provided. The method includes calculating locations of the terminal and a tag, calculating information about movement of the terminal using a motion sensor, and correcting the calculated location of the tag based on information about the movement of the terminal.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: July 17, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-Hak Na, Sang-Jun Moon, Sin-Seok Seo, Sang-Hyun Chang, Dae-Kyu Choi
  • Patent number: 10026961
    Abstract: Disclosed are a positive active material for a rechargeable lithium battery, a method of preparing same and rechargeable lithium battery including the same, wherein the positive active material includes lithium cobalt-based compound having pH of greater than about 7 and less than about 10.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: July 17, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Na-Ri Park, Young-Hun Lee, Soon-Rewl Lee, Ick-Kyu Choi, Yong-Chul Park
  • Publication number: 20180198172
    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: Application
    Filed: July 11, 2016
    Publication date: July 12, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Yang-Kyu CHOI, Bo-Sung KIM, Sang-Yoon JEONG, Seong-Tae KIM, Jun-Yeob SEONG
  • Publication number: 20180189553
    Abstract: A processor implemented method of processing a facial expression image, the method includes acquiring an expression feature of each of at least two reference facial expression images; generating a new expression feature based on an interpolation value of the expression feature; and adjusting a target facial expression image based on the new expression feature and creating a new facial expression image.
    Type: Application
    Filed: December 11, 2017
    Publication date: July 5, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tianchu GUO, Youngsung KIM, Hui ZHANG, Byungin YOO, Chang Kyu CHOI, Jae-Joon HAN, Jingtao XU, Deheng QIAN
  • Publication number: 20180181858
    Abstract: A convolutional neural network (CNN) processing method includes selecting a survival network in a precision convolutional network based on a result of performing a high speed convolution operation between an input and a kernel using a high speed convolutional network, and performing a precision convolution operation between the input and the kernel using the survival network.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 28, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changyong SON, Jinwoo SON, Chang Kyu CHOI, Jaejoon HAN
  • Publication number: 20180181796
    Abstract: An image processing apparatus, includes an image classifier configured to determine whether an input image is a low-quality image or a high-quality image; and an image evaluator configured to determine a first predetermined number of clearest images from a plurality of low-quality images determined by the image classifier.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Biao WANG, Bing YU, Chang Kyu CHOI, Deheng QIAN, Jae-Joon HAN, Jingtao XU, Yaozu AN
  • Publication number: 20180182538
    Abstract: A coil component includes a winding type coil having at least one lead terminal and a body covering the coil and including a magnetic material and a conductive resin applied to an end portion of the lead terminal. An electrode is on the body and connected to the lead terminal and to the conductive resin.
    Type: Application
    Filed: September 27, 2017
    Publication date: June 28, 2018
    Inventor: Youn Kyu CHOI
  • Publication number: 20180181799
    Abstract: A recognition method includes receiving an input image; and recognizing a plurality of elements associated with the input image using a single recognizer pre-trained to recognize a plurality of elements simultaneously.
    Type: Application
    Filed: February 14, 2018
    Publication date: June 28, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byungin Yoo, Namjoon Kim, Changkyo Lee, Chang Kyu Choi, Jaejoon Han
  • Patent number: 10008922
    Abstract: A switching power supply may include: an inductor connected to an input voltage terminal; a first switch configured to form a first electrical path between the inductor and an output voltage terminal; a second switch configured to form a second electrical path between the inductor and a ground voltage terminal; a negative current sensor configured to sense an inductor current flowing through the first electrical path, and generate an over-current protection signal when the inductor current is sensed as a negative current equal to or more than a preset value; and a controller configured to enable a discontinuous conduction mode (DCM) when the over-current protection signal is generated, and turn off the first switch and turn on the second switch, in response to the enabled DCM.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: June 26, 2018
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Won Suk Jang, Young Jin Woo, Tae Kyu Nam, Hong Kyu Choi
  • Publication number: 20180170505
    Abstract: A ship including a liquefied gas storage tank includes: first and second compressors which compresse a boil-off gas discharged from a storage tank; a boost compressor which compresses one part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a first heat exchanger which heat exchanges the boil-off gas compressed by the boost compressor and the boil-off gas discharged from the storage tank; a refrigerant decompressing device which expands the other part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a second heat exchanger which cools, by a fluid expanded by the refrigerant decompressing device as a refrigerant; and an additional compressor which is compresses the refrigerant that passes through the refrigerant decompressing device and second heat exchanger.
    Type: Application
    Filed: May 16, 2016
    Publication date: June 21, 2018
    Applicant: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Hyun Jun SHIN, Dong Kyu CHOI, Young Sik MOON
  • Publication number: 20180170503
    Abstract: A ship including a storage tank for storing a liquefied gas includes: a boil-off gas (BOG) heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed BOG (“a first fluid”) by a BOG discharged from the storage tank as a refrigerant, to cool the BOG; a compressor installed on a downstream of the BOG heat exchanger and compresses a part of the BOG discharged from the storage tank; an extra compressor installed on a downstream of the BOG heat exchanger and in parallel with the compressor and compresses the other part of the BOG discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by the BOG heat exchanger; and a refrigerant decompressing device which expands a second fluid sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
    Type: Application
    Filed: April 5, 2016
    Publication date: June 21, 2018
    Applicant: 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
  • Publication number: 20180171026
    Abstract: Provided is a monoclonal antibody which specifically recognizes B cell lymphoma cells and a use thereof. More specifically, provided are the monoclonal antibody; a pharmaceutical composition for preventing or treating B cell lymphoma including the monoclonal antibody; a composition for diagnosing B cell lymphoma including the monoclonal antibody; a method for providing information for diagnosing B cell lymphoma using the monoclonal antibody; a chimeric antigen receptor (CAR) protein including i) the antibody, ii) a transmembrane domain, and iii) an intracellular signaling domain; a recombinant vector which expresses the CAR protein; a CAR-modified T cell transformed with the recombinant vector; a pharmaceutical composition for preventing or treating B cell lymphoma including the CAR-modified T cell; and an antibody-drug conjugate wherein the monoclonal antibody and a drug are conjugated.
    Type: Application
    Filed: December 1, 2017
    Publication date: June 21, 2018
    Inventors: Byoung SE KWON, Kwang-Hui KIM, Young-Ho KIM, Ho-sik OH, Don-Gil LEE, Seung-Joo LEE, Beom-Kyu CHOI, Insoo PARK, Chungyong HAN
  • Publication number: 20180170506
    Abstract: A ship includes: a boil-off gas heat exchanger which is installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas from the storage tank; an extra compressor which is installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
    Type: Application
    Filed: April 5, 2016
    Publication date: June 21, 2018
    Applicant: 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
  • Publication number: 20180170507
    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: Application
    Filed: April 5, 2016
    Publication date: June 21, 2018
    Applicant: 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
  • Publication number: 20180170504
    Abstract: A ship includes: a boil-off gas heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant, to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank; an extra compressor installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid which is cooled by the boil-off gas heat exchanger; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
    Type: Application
    Filed: April 5, 2016
    Publication date: June 21, 2018
    Applicant: 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: 10001165
    Abstract: The present invention relates to a thrust magnetic bearing for bias compensation, and more particularly, to a thrust magnetic bearing for bias compensation in which annular permanent magnets and electromagnets are disposed to face each other with respect to a levitated member and the permanent magnets are formed to be asymmetrical in lengths thereof in an axial direction to thus exert an attractive force for compensating for a bias by the difference in the lengths of the permanent magnets in the axial direction to compensate for the bias, and a current supply for bias magnetic flux is not required, saving energy.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: June 19, 2018
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Cheol-hoon Park, Sang-Kyu Choi, Sang-Yong Ham