Patents by Inventor Hyung-Gu Yun

Hyung-Gu Yun 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: 20230411743
    Abstract: A flexible battery comprising (1) at least one positively charged layer, (2) at least one negatively charged layer, (3) a coated electrode segment that includes a segment of the positively charged layer and a segment of the negatively charged layer, and (4) an additional coated electrode segment movably coupled to the coated electrode segment, wherein the additional coated electrode segment includes an additional segment of the positively charged layer and an additional segment of the negatively charged layer. Various other apparatuses, devices, systems, and methods are also disclosed.
    Type: Application
    Filed: August 30, 2022
    Publication date: December 21, 2023
    Inventors: Tianren Xu, Karthik Kadirvel, Hyung Gu Yun, Jason Howard
  • Patent number: 9893514
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an anode terminal and a cathode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the battery cell via the anode terminal and the cathode terminal, wherein the PCM includes a board having a protection circuit formed thereon, the board being provided with an anode terminal connection part and a cathode terminal connection part connected to the anode terminal and the cathode terminal, respectively, a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board, and an electrically insulative lid to close the open face of the PCM case.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: February 13, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Jong Woon Choi, Hyung Gu Yun, Migeum Choi
  • Publication number: 20140147706
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an anode terminal and a cathode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the battery cell via the anode terminal and the cathode terminal, wherein the PCM includes a board having a protection circuit formed thereon, the board being provided with an anode terminal connection part and a cathode terminal connection part connected to the anode terminal and the cathode terminal, respectively, a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board, and an electrically insulative lid to close the open face of the PCM case.
    Type: Application
    Filed: January 29, 2014
    Publication date: May 29, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jong Woon CHOI, Hyung Gu YUN, Migeum CHOI
  • Patent number: 6887380
    Abstract: The present invention relates to a silicone-coated organic solvent resistant polyamide composite nanofiltration membrane and a method for preparing the same. More particularly, the present invention relates to a nanofiltration composite membrane that is not only rejection rate superior but also organic solvent stable and flux excellent, prepared by coating with silicone during the process of interfacial polymerization of polyamide on the surface of porous support; and a method for producing it.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: May 3, 2005
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Kew-Ho Lee, In-Chul Kim, Hyung-Gu Yun
  • Publication number: 20030098274
    Abstract: The present invention relates to a silicone-coated organic solvent resistant polyamide composite nanofiltration membrane and a method for preparing the same. More particularly, the present invention relates to a nanofiltration composite membrane that is not only rejection rate superior but also organic solvent stable and flux excellent, prepared by coating with silicone during the process of interfacial polymerization of polyamide on the surface of porous support; and a method for producing it.
    Type: Application
    Filed: May 17, 2002
    Publication date: May 29, 2003
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Kew-Ho Lee, In-Chul Kim, Hyung-Gu Yun