Patents by Inventor Kyungwook CHO

Kyungwook CHO 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).

  • Electric resistance welder and method manufacturing battery using the same
    Patent number: 11945040
    Abstract: The present invention relates to an electric resistance welder that includes a compressor, a welding holder, and a welding rod, wherein air compressed by the compressor may be introduced into the welding rod through the welding holder and is then discharged through air outlets formed in the welding rod.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 2, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jaewoong Jung, Yeo Min Yoon, Kyungwook Cho
  • ELECTRIC RESISTANCE WELDER AND METHOD MANUFACTURING BATTERY USING THE SAME
    Publication number: 20210299779
    Abstract: An electric resistance welder that includes a compressor, a welding holder, and a welding rod is provided. Air compressed by the compressor may be introduced into the welding rod through the welding holder and is then discharged through air outlets formed in the welding rod.
    Type: Application
    Filed: October 30, 2019
    Publication date: September 30, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jaewoong JUNG, Yeo Min YOON, Kyungwook CHO