Patents by Inventor Pyung Yong PARK

Pyung Yong PARK 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).

  • STRETCHING APPARATUS FOR MANUFACTURING SEPARATOR AND METHOD OF MANUFACTURING SEPARATOR USING THE SAME
    Publication number: 20230207961
    Abstract: One aspect of the present invention provides a stretching apparatus for manufacturing a separator including a first stretching machine and a second stretching machine arranged in parallel with each other, in which the first stretching machine includes a plurality of first unit sections having different stretching ratios, and the second stretching machine includes a plurality of second unit sections having different stretching ratios, the overall stretching ratio by each of the first stretching machine and the second stretching machine is the same each other, and at least one stretching ratio of the first unit section and at least one stretching ratio of the second unit section are different from each other and a method of manufacturing a separator using the same.
    Type: Application
    Filed: July 1, 2022
    Publication date: June 29, 2023
    Applicants: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Kyoung Sun RYU, Won Keun CHOI, Kwang Ho CHOI, Pyung Yong PARK, Byung Hyun KIM
  • Crosslinked polyolefin separator and method of manufacturing the same
    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
  • Separator and method of manufacturing the same
    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
  • COMPOSITE MEMBRANE AND MANUFACTURING METHOD THEREFOR
    Publication number: 20220173480
    Abstract: In one embodiment of the present invention, provided are: a composite membrane comprising a polyolefin-based porous support and a solid electrolyte impregnated into the support; and a manufacturing method therefor.
    Type: Application
    Filed: September 11, 2018
    Publication date: June 2, 2022
    Inventors: Byung Hyun KIM, Pyung Yong PARK, Hee Min CHO
  • CROSSLINKED POLYOLEFIN SEPARATOR AND METHOD OF MANUFACTURING THE SAME
    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
  • SEPARATOR AND METHOD OF MANUFACTURING THE SAME
    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