Patents by Inventor Katsuyoshi Ken Ogawa

Katsuyoshi Ken Ogawa 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: D248731
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: August 1, 1978
    Inventor: Katsuyoshi Ken Ogawa