Patents by Inventor Katsumi Yonetsu

Katsumi Yonetsu 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).

  • Patent number: D304930
    Type: Grant
    Filed: March 19, 1986
    Date of Patent: December 5, 1989
    Assignee: Seiko Instruments & Electronics Ltd.
    Inventors: Miyoji Hongo, Katsumi Yonetsu