Patents by Inventor Chui Woo Kwark

Chui Woo Kwark 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).

  • Non-pneumatic tire
    Patent number: 11331950
    Abstract: A non-pneumatic tire comprises: a band part including an inner band and an outer band, the outer band being separated from the inner band by a predetermined distance to surround the inner band; and a spoke part provided to extend in a circumferential direction of the tire between the inner band and the outer band, the spoke part including one or more holes when viewed in the circumferential direction and one or more holes when viewed in an axial direction of the tire.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: May 17, 2022
    Assignee: Kumho Tire Co., Inc.
    Inventors: Soon Wook Hwang, Kee Woon Kim, Chui Woo Kwark, Chang Jung Park