Patents by Inventor Kiyofumi Ishibashi

Kiyofumi Ishibashi 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).

  • Fish finder
    Patent number: D394223
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: May 12, 1998
    Assignee: Japan Radio Co., Ltd.
    Inventors: Shinichiro Nishimura, Shigeru Namaizawa, Toshiro Taki, Kiyofumi Ishibashi