Patents by Inventor Genji Usuda

Genji Usuda 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).

  • Clock
    Patent number: D252801
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: September 4, 1979
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Genji Usuda
  • Ratchet wrench
    Patent number: D332730
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: January 26, 1993
    Assignee: Top Kogyo Co., Ltd.
    Inventor: Genji Usuda