Patents by Inventor Kyu Sang Cho

Kyu Sang 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).

  • Patent number: 12258464
    Abstract: Provided is a polymer composition for blow molding which includes a high-density polyethylene recovered from a secondary battery separator and has excellent mechanical properties. The polymer composition having excellent processability may be prepared by recycling a secondary battery separator, and may be molded to manufacture an environmental small to medium sized container which has excellent mechanical properties such as flexural strength, elongation, and impact strength in a large temperature range and has excellent processing moldability.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: March 25, 2025
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Jong Sang Park, Yun Bong Kim, Kyu Young Cho, Si Uk Cheon
  • Publication number: 20250019530
    Abstract: The disclosed technology relates to a mixed recycled polyolefin resin composition comprising a recycled polyolefin resin obtained from a waste separator and a new polyolefin resin, and a recycled product using the same. The mixed recycled polyolefin resin composition comprising a new polyolefin resin and a recycled polyolefin resin from a waste separator based on an embodiment of the disclosed technology has excellent physical and chemical properties.
    Type: Application
    Filed: August 19, 2024
    Publication date: January 16, 2025
    Inventors: Yun Bong KIM, Jong Sang PARK, Kyu Young CHO, Si Uk CHEON
  • Publication number: 20240255376
    Abstract: The present invention relates to a shock test apparatus for pouch-shaped battery cells and a shock test method for pouch-shaped battery cells using the same, and more particularly to a shock test apparatus for pouch-shaped battery cells, the shock test apparatus including a flat bottom plate, a jig including a first jig member and a second jig member located respectively at opposite surfaces of a pouch-shaped battery cell, each of the first jig member and the second jig member having a quadrangular shape, and a pressing member configured to press a predetermined part of the pouch-shaped battery cell, and a shock test method for pouch-shaped battery cells using the same.
    Type: Application
    Filed: December 7, 2022
    Publication date: August 1, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Hee Han, Kyu Sang Cho, Hyun Tae Kim