Patents by Inventor Ho Young Kwak

Ho Young Kwak 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: 20230290942
    Abstract: A positive electrode active material and a method of making the same are disclosed herein. In some embodiments, a method includes mixing transition metal raw powders including a nickel raw powder to prepare a first mixture, where the first mixture has a molar ratio of lithium to total transition metals of 0.95 to 1.02, and where a molar ratio of nickel to total transition metals is 80 mol % or more, sintering the first mixture in an oxygen-containing atmosphere, and cooling the sintered first mixture to obtain a first sintered product, mixing the first sintered product with a second lithium raw material to prepare a second mixture, where the second mixture has molar ratio of lithium to total transition metals of 1.00 to 1.09, and sintering the second mixture in the oxygen-containing atmosphere to prepare a lithium composite transition metal oxide in the form of a single particle.
    Type: Application
    Filed: September 24, 2021
    Publication date: September 14, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Ho-Young Kwak, Dae-Sung Kim, Jun-Gyu Kim, Jae-Young Moon, Myoung-Hwan Oh
  • Publication number: 20230261184
    Abstract: A positive electrode active material and a method for manufacturing the same are disclosed herein. In some embodiments, a method includes mixing and grinding raw material particles to obtain ground product particles, where the raw material particles are source materials for a lithium composite transition metal oxide, sintering the ground product particles to synthesize the lithium composite transition metal oxide, and disaggregating and classifying the synthesized lithium composite transition metal oxide to obtain a positive electrode active material powder, wherein the mixing and grinding the raw materials includes placing the raw materials and beads in a chamber of a grinding device, where the grinding device includes a rotatable rotor in the chamber, and performing a dry process of mixing and grinding the raw material particles in the chamber by rotating the rotor to give kinetic energy to the beads, causing collisions between the beads and the raw material particles.
    Type: Application
    Filed: September 23, 2021
    Publication date: August 17, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Dae-Sung Kim, Ho-Young Kwak, Jun-Gyu Kim, Jae-Young Moon, Myoung-Hwan Oh
  • Patent number: 11652123
    Abstract: An image sensing device is disclosed. The image sensing device includes a semiconductor substrate configured to generate charge carriers in response to light incident, a plurality of control regions supported by the semiconductor substrate and configured to cause majority carrier currents in the semiconductor substrate to control movement of minority carriers, and a plurality of detection regions formed adjacent to the control regions and configured to capture the minority carriers moving in the semiconductor substrate. Each of the control regions includes an upper portion, a lower portion, and a middle portion disposed between the upper portion and the lower portion. The middle portion has a smaller horizontal cross-sectional profile than each of the upper portion and the lower portion.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: May 16, 2023
    Assignee: SK hynix Inc.
    Inventor: Ho Young Kwak
  • Patent number: 11552117
    Abstract: An image sensing device is provided to include a pixel array including unit pixel blocks that are arranged in a first direction and a second direction crossing the first direction, each unit pixel block configured to generate pixel signals in response to incident light reflected from a target object. The unit pixel block includes normal first pixel configured to receive a portion of the incident light at a first arrival time and generate a first pixel signal in response to the incident light, and a second pixel configured to receive another portion of the incident light at a second arrival time and generate a second pixel signal in response to the incident light. The second arrival time is later than the first arrival time.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: January 10, 2023
    Assignee: SK hynix Inc.
    Inventors: Jong Eun Kim, Ho Young Kwak, Jong Chae Kim
  • Publication number: 20220415942
    Abstract: An image sensing device is provided to include: a substrate having a first surface on which light is incident and a second surface facing the first surface; a plurality of detection structures, each comprising a control node configured to exhibit a conductivity type and generate a potential gradient in the substrate, and a detection node configured to capture photocharge which is generated in response to incident light and migrates in response to the potential gradient; and a first well area disposed to abut the control nodes of the plurality of detection structures and containing an impurity with a different conductivity type from the conductivity type of the control nodes.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 29, 2022
    Inventors: Hyung June YOON, Ho Young KWAK, Nam Il KIM, Dong Jin LEE, Jae Won LEE, Hoon Moo CHOI
  • Patent number: 11508769
    Abstract: An image sensing device is disclosed. The image sensing device includes a semiconductor substrate, a plurality of signal detectors, an insulation layer, and at least one gate. The semiconductor substrate includes a first surface and a second surface opposite to the first surface, and generates signal carriers in response to light incident upon the first surface. The signal detectors are formed on the semiconductor substrate and located closer to the second surface than the first surface of the semiconductor substrate, and detect the signal carriers using a difference in electric potential. The insulation layer is disposed at the second surface of the semiconductor substrate, and isolates the signal detectors from each other. The at least one gate is disposed at the insulation layer interposed between the signal detectors, and reflects light arriving at the second surface of the semiconductor substrate back to the semiconductor substrate.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: November 22, 2022
    Assignee: SK hynix Inc.
    Inventors: Ho Young Kwak, Hyung June Yoon, Jong Eun Kim
  • Publication number: 20220278163
    Abstract: An image sensing device includes a first substrate layer including first conductive impurities and structured to produce photocharges based on the incident light and capture the photocharges using a voltage difference induced in response to a demodulation control signal; a second substrate layer including second conductive impurities having characteristics opposite to those of the first conductive impurities, and structured to be bonded to the first substrate layer; and a depletion layer formed between the first substrate layer and the second substrate layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: September 1, 2022
    Inventor: Ho Young KWAK
  • Publication number: 20210183919
    Abstract: An image sensing device is disclosed. The image sensing device includes a semiconductor substrate configured to generate charge carriers in response to light incident, a plurality of control regions supported by the semiconductor substrate and configured to cause majority carrier currents in the semiconductor substrate to control movement of minority carriers, and a plurality of detection regions formed adjacent to the control regions and configured to capture the minority carriers moving in the semiconductor substrate. Each of the control regions includes an upper portion, a lower portion, and a middle portion disposed between the upper portion and the lower portion. The middle portion has a smaller horizontal cross-sectional profile than each of the upper portion and the lower portion.
    Type: Application
    Filed: May 27, 2020
    Publication date: June 17, 2021
    Inventor: Ho Young Kwak
  • Publication number: 20210104569
    Abstract: An image sensing device is disclosed. The image sensing device includes a semiconductor substrate, a plurality of signal detectors, an insulation layer, and at least one gate. The semiconductor substrate includes a first surface and a second surface opposite to the first surface, and generates signal carriers in response to light incident upon the first surface. The signal detectors are formed on the semiconductor substrate and located closer to the second surface than the first surface of the semiconductor substrate, and detect the signal carriers using a difference in electric potential. The insulation layer is disposed at the second surface of the semiconductor substrate, and isolates the signal detectors from each other. The at least one gate is disposed at the insulation layer interposed between the signal detectors, and reflects light arriving at the second surface of the semiconductor substrate back to the semiconductor substrate.
    Type: Application
    Filed: April 27, 2020
    Publication date: April 8, 2021
    Inventors: Ho Young Kwak, Hyung June Yoon, Jong Eun Kim
  • Publication number: 20210074753
    Abstract: An image sensing device is provided to include a pixel array including unit pixel blocks that are arranged in a first direction and a second direction crossing the first direction, each unit pixel block configured to generate pixel signals in response to incident light reflected from a target object. The unit pixel block includes normal first pixel configured to receive a portion of the incident light at a first arrival time and generate a first pixel signal in response to the incident light, and a second pixel configured to receive another portion of the incident light at a second arrival time and generate a second pixel signal in response to the incident light. The second arrival time is later than the first arrival time.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 11, 2021
    Inventors: Jong Eun Kim, Ho Young Kwak, Jong Chae Kim
  • Patent number: 10811452
    Abstract: An image sensing device including a noise blocking structure is disclosed. The image sensing device includes a semiconductor substrate structured to support a plurality of image pixels producing signals upon a detection of an incident light and a logic circuit configured to process signals produced by the image pixels are formed, and a noise blocking structure disposed at the semiconductor substrate and formed to surround the logic circuit is formed. The noise blocking structure includes a first blocking structure and a second blocking structure. The first blocking structure includes multiple portions spaced from one another, each of the multiple portions extending in a line without any bending portion. The second blocking structure are disposed between the multiple portions of the first blocking structure and include portions partially overlapping with the first blocking structure.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: October 20, 2020
    Assignee: SK hynix Inc.
    Inventors: Ho Young Kwak, Jong Eun Kim
  • Patent number: 10804308
    Abstract: An image sensing device including a noise blocking structure is disclosed. The image sensing device includes a semiconductor substrate structured to support a plurality of image pixels producing signals response to received incident light, a logic circuit configured to process the signals read out from the image pixels, and a noise blocking structure coupled to the logic circuit to reduce a noise generated by the logic circuit. The noise blocking structure formed to extend in a straight line without any bending portion in a first direction, and to pass through the semiconductor substrate in a second direction that is perpendicular to the first direction.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: October 13, 2020
    Assignee: SK hynix Inc.
    Inventors: Jong Eun Kim, Ho Young Kwak
  • Publication number: 20200194475
    Abstract: An image sensing device including a noise blocking structure is disclosed. The image sensing device includes a semiconductor substrate structured to support a plurality of image pixels producing signals response to received incident light, a logic circuit configured to process the signals read out from the image pixels, and a noise blocking structure coupled to the logic circuit to reduce a noise generated by the logic circuit. The noise blocking structure formed to extend in a straight line without any bending portion in a first direction, and to pass through the semiconductor substrate in a second direction that is perpendicular to the first direction.
    Type: Application
    Filed: July 2, 2019
    Publication date: June 18, 2020
    Inventors: Jong Eun Kim, Ho Young Kwak
  • Publication number: 20200194481
    Abstract: An image sensing device including a noise blocking structure is disclosed. The image sensing device includes a semiconductor substrate structured to support a plurality of image pixels producing signals upon a detection of an incident light and a logic circuit configured to process signals produced by the image pixels are formed, and a noise blocking structure disposed at the semiconductor substrate and formed to surround the logic circuit is formed. The noise blocking structure includes a first blocking structure and a second blocking structure. The first blocking structure includes multiple portions spaced from one another, each of the multiple portions extending in a line without any bending portion. The second blocking structure are disposed between the multiple portions of the first blocking structure and include portions partially overlapping with the first blocking structure.
    Type: Application
    Filed: July 2, 2019
    Publication date: June 18, 2020
    Inventors: Ho Young Kwak, Jong Eun Kim
  • Patent number: 8642096
    Abstract: The present invention relates to a novel use of herbal extracts in a pharmaceutical composition for prevention and treatment of nephritis and, more particularly, to a pharmaceutical composition and a health functional food for prevention and/or treatment of nephritis that contains at least one herbal extract selected from the group consisting of a Crataegi Fructus extract, a Cinnamomi Cortex extract, a Prunella Spica extract, and an Equiseti Herba extract, a method for prevention and/or treatment of nephritis using the herbal extract, and a use of the herbal extract in preparation of a composition for prevention and/or treatment of nephritis. The herbal extract has a good therapeutic effect for nephritis on a nephritis model of which the nephritis is induced by a drug such as gentamicin, cisplatin, etc., and a good inhibitory activity on the growth of mesangial cells in kidneys, thereby providing a very useful means for prevention and/or treatment of nephritis.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: February 4, 2014
    Assignee: Ahn-Gook Pharmaceutical Co., Ltd.
    Inventors: Jin Auh, Chang-Hwan Kim, Chang-Kyun Han, Sung-Hum Yeon, Seung-In Choe, Young-June Shin, Dong-Oh Han, Soo-Im Chang, Ji-Hye Lee, Jun-Seok Lee, Ho-Young Kwak, Hyo-Jin Moon, Jong-Wook Lee, Sung-Min Kim
  • Publication number: 20120070517
    Abstract: The present invention relates to a novel use of herbal extracts in a pharmaceutical composition for prevention and treatment of nephritis and, more particularly, to a pharmaceutical composition and a health functional food for prevention and/or treatment of nephritis that contains at least one herbal extract selected from the group consisting of a Crataegi Fructus extract, a Cinnamomi Cortex extract, a Prunella Spica extract, and an Equiseti Herba extract, a method for prevention and/or treatment of nephritis using the herbal extract, and a use of the herbal extract in preparation of a composition for prevention and/or treatment of nephritis. The herbal extract has a good therapeutic effect for nephritis on a nephritis model of which the nephritis is induced by a drug such as gentamicin, cisplatin, etc., and a good inhibitory activity on the growth of mesangial cells in kidneys, thereby providing a very useful means for prevention and/or treatment of nephritis.
    Type: Application
    Filed: June 1, 2010
    Publication date: March 22, 2012
    Inventors: Jin Auh, Chang-Hwan Kim, Chang-Kyun Han, Sung-Hum Yeon, Seung-In Choe, Young-June Shin, Dong-Oh Han, Soo-Im Chang, Ji-Hye Lee, Jun-Seok Lee, Ho-Young Kwak, Hyo-Jin Moon, Jong-Wook Lee, Sung-Min Kim
  • Publication number: 20080075939
    Abstract: Disclosed are a method for preparing layered nanostructures by coating a nanomaterial on a nano-scale support under multibubble sonoluminescence conditions and layered nanostructures prepared by the method. The method is capable of uniformly coating a nanomaterial to a desired thickness on a nano-scale support.
    Type: Application
    Filed: August 7, 2007
    Publication date: March 27, 2008
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATION, CHUNG-ANG UNIVERSITY INDUSTRY-ACADEMY CORPORATION FOUNDATION
    Inventors: Ho Young KWAK, Il Wun SHIM, Ki Taek BYUN, Seung Soo LEE
  • Patent number: 5859763
    Abstract: The multi chip module cooling apparatus of the present invention includes a cold plate having a sealed housing formed with a first side member, a second side member and an interior space, and a metal block having a refrigerant vapor flow passage and a cooling water flow passage formed in opposite to the refrigerant vapor flow passage so as to condense the refrigerant vapor discharged from the housing by using a cooling water flowed in the cooling water passage. A pair of circulating tubes connect the cold plate and the block as a circulation loop shape, the circulating tubes are consisted of a refrigerant vapor flow tube for discharging a hot refrigerant vapor from the housing of the cold plate to the refrigerant vapor flow passage in the blocks and a refrigerant flow tube for supplying a refrigerant condensed in the block to the housing of the cold plate.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: January 12, 1999
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang Sig Nam, Ho Young Kwak, Jae Hee Kim