Patents by Inventor Katsuhiko Iwanaga

Katsuhiko Iwanaga 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: D336683
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: June 22, 1993
    Assignee: Kiyoshi Inoue
    Inventors: Kiyoshi Inoue, Yu Shimizu, Katsuhiko Iwanaga, Takashi Miyazaki