Patents by Inventor Kun-Hsung Yu

Kun-Hsung 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).

  • Handle of tool
    Patent number: D526184
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: August 8, 2006
    Inventors: Kun-Hsung Yu, Yunn-Pay Chen
  • Handle of a tool
    Patent number: D481922
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: November 11, 2003
    Inventors: Kun-Hsung Yu, Yunn-Pay Chen