Patents by Inventor Koh Yokakowa

Koh Yokakowa 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: D431047
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: September 19, 2000
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Koh Yokakowa