Patents by Inventor Chang Soo Yi

Chang Soo Yi 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).

  • Packaging pouch
    Patent number: D974182
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: January 3, 2023
    Assignee: KOLMAR KOREA CO., LTD.
    Inventors: Chang Soo Yi, Sang In Han, Hye Jin Jung, Hee Yoon Kim
  • Spout for packaging container
    Patent number: D1004428
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: November 14, 2023
    Assignee: KOLMAR KOREA CO., LTD.
    Inventors: Chang Soo Yi, Jong Hyun Park, Hye Jin Jung, Hee Yoon Kim
  • Packaging container
    Patent number: D1018323
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: March 19, 2024
    Assignee: KOLMAR KOREA CO., LTD.
    Inventors: Chang Soo Yi, Jong Hyun Park, Hye Jin Jung, Hee Yoon Kim