Patents by Inventor Migeum CHOI

Migeum 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: 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
  • Patent number: 9793704
    Abstract: A battery pack including a battery cell having an anode and cathode terminal at one face having a sealed surplus portion and a protection circuit module (PCM) connected to the cell via the anode and cathode terminal, the PCM including a board having a protection circuit thereon, the board being provided with an anode and cathode terminal connection part connected to the anode and cathode terminal, respectively, and a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board. The board is coupled to the anode and cathode terminal of the cell via the anode and cathode terminal connection part, the board is disposed in the PCM case in a state in which the board is parallel to the cell, and the PCM case, in which the board is disposed, is mounted to the sealed surplus portion of the cell.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: October 17, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woon Choi, Seog Jin Yoon, 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
  • Publication number: 20140147707
    Abstract: A battery pack including a battery cell having an anode and cathode terminal at one face having a sealed surplus portion and a protection circuit module (PCM) connected to the cell via the anode and cathode terminal, the PCM including a board having a protection circuit thereon, the board being provided with an anode and cathode terminal connection part connected to the anode and cathode terminal, respectively, and a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board. The board is coupled to the anode and cathode terminal of the cell via the anode and cathode terminal connection part, the board is disposed in the PCM case in a state in which the board is parallel to the cell, and the PCM case, in which the board is disposed, is mounted to the sealed surplus portion of the cell.
    Type: Application
    Filed: January 29, 2014
    Publication date: May 29, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jong Woon CHOI, Seog Jin YOON, Migeum CHOI