Patents by Inventor In-Joon Yu

In-Joon Yu 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).

  • Golf club head
    Patent number: D524888
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: July 11, 2006
    Assignee: Golf Korea Co., Ltd.
    Inventors: In-Joon Yu, Jae Hoon Kim
  • Golf club head
    Patent number: D524889
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: July 11, 2006
    Assignee: Golf Korea Co., Ltd.
    Inventors: In-Joon Yu, Jae Hoon Kim