Patents by Inventor Gi Won YOO

Gi Won YOO 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: 11557814
    Abstract: Disclosed are a separator that includes fibrils including a polyolefin; and bond structures generated by reacting at least some of a first radical formed on surfaces of the fibrils by a photoreactive material and a second radical formed in the photoreactive material, and a method of manufacturing the separator.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: January 17, 2023
    Assignees: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Byung Hyun Kim, Hee Min Cho, Pyung Yong Park, Gi Won Yoo, Yeong Hoon Choi, Won Keun Choi
  • Patent number: 11367925
    Abstract: Provided is a separator that includes a matrix including a polyolefin having a weight average molecular weight (Mw) of 250,000 to 450,000 and a molecular weight distribution (Mw/Mn) of 3 to 7; and a silane-modified polyolefin crosslinked in the matrix, and a method of manufacturing the same.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: June 21, 2022
    Assignees: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Byung Hyun Kim, Hee Min Cho, Pyung Yong Park, Gi Won Yoo
  • Publication number: 20200343506
    Abstract: Disclosed are a separator that includes fibrils including a polyolefin; and bond structures generated by reacting at least some of a first radical formed on surfaces of the fibrils by a photoreactive material and a second radical formed in the photoreactive material, and a method of manufacturing the separator.
    Type: Application
    Filed: January 10, 2020
    Publication date: October 29, 2020
    Applicants: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Byung Hyun KIM, Hee Min CHO, Pyung Yong PARK, Gi Won YOO, Yeong Hoon CHOI, Won Keun CHOI
  • Publication number: 20200067054
    Abstract: Provided is a separator that includes a matrix including a polyolefin having a weight average molecular weight (Mw) of 250,000 to 450,000 and a molecular weight distribution (Mw/Mn) of 3 to 7; and a silane-modified polyolefin crosslinked in the matrix, and a method of manufacturing the same.
    Type: Application
    Filed: March 19, 2019
    Publication date: February 27, 2020
    Inventors: Byung Hyun KIM, Hee Min CHO, Pyung Yong PARK, Gi Won YOO