Patents by Inventor Won Wook CHO

Won Wook 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).

  • RECHARGEABLE SECONDARY BATTERY
    Publication number: 20220407185
    Abstract: A secondary battery includes a Z stack electrode assembly including a separator bent in a Z shape and including a plurality of bent areas, a first electrode plate on a lower portion of each of the bent areas, and a second electrode plate on an upper portion of each of the bent areas, and an exterior portion configured to accommodate the Z stack electrode assembly, and an outermost end area of the separator is bent to be thermally fused to a bent area of the plurality of bent areas of the separator.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 22, 2022
    Inventors: Kyu Gil CHOI, Won Wook CHO