Patents by Inventor Byung Hyuk Choi

Byung Hyuk 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).

  • CYLINDRICAL SECONDARY BATTERY
    Publication number: 20240097251
    Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.
    Type: Application
    Filed: March 29, 2022
    Publication date: March 21, 2024
    Inventors: Hyun Ki JUNG, Byung Chul PARK, Gun Gue PARK, Gwan Hyeon YU, Jin Young MOON, Kyung Rok LEE, Myung Seob KIM, Sung Gwi KO, Woo Hyuk CHOI
  • Internal pressure measuring jig for cylindrical battery cell
    Patent number: 11824171
    Abstract: An internal pressure measuring jig for a cylindrical battery cell, of the present invention, comprises: a lower jig which has a form corresponding to a cylindrical battery cell, and has a temperature measuring part and a receiving groove in which the cylindrical battery cell is separably inserted; and an upper jig which discharges gas inside the cylindrical battery cell, has a pressure measuring part for measuring the pressure of the discharged gas, and is separably coupled to the lower jig so as to close off an opening part of the receiving groove.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: November 21, 2023
    Assignee: LG Energy Solution, Ltd.
    Inventors: Myung An Lee, Joo Hwan Sung, Jung Hoon Kim, Byung Hyuk Choi, Ik Jong Lee
  • INTERNAL PRESSURE MEASURING JIG FOR CYLINDRICAL BATTERY CELL
    Publication number: 20210226265
    Abstract: An internal pressure measuring jig for a cylindrical battery cell, of the present invention, comprises: a lower jig which has a form corresponding to a cylindrical battery cell, and has a temperature measuring part and a receiving groove in which the cylindrical battery cell is separably inserted; and an upper jig which discharges gas inside the cylindrical battery cell, has a pressure measuring part for measuring the pressure of the discharged gas, and is separably coupled to the lower jig so as to close off an opening part of the receiving groove.
    Type: Application
    Filed: November 27, 2019
    Publication date: July 22, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Myung An LEE, Joo Hwan SUNG, Jung Hoon KIM, Byung Hyuk CHOI, Ik Jong LEE
  • Shelf unit for use in rack for communication equipment
    Patent number: 7891501
    Abstract: A shelf unit for use in a rack for communication equipment comprising: a front body including a pair of side panels for containing PCBs; a back board detachably mounted to the rear ends of the side panels of the front body; and a rear body including a pair of side panels for containing PCBs. Connecting members are mounted adjacent to the rear ends of the side panels of the front body and protrude outward therefrom. A pair of connecting plates extends forward from the front ends of the respective side panels of the rear body. L-shaped slots are provided at the connecting plates, into which the respective connecting members are fitted.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: February 22, 2011
    Inventor: Byung Hyuk Choi