Patents by Inventor Koki Onuma

Koki Onuma 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).

  • Single-lens reflex camera body
    Patent number: D304837
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: November 28, 1989
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventor: Koki Onuma