Patents by Inventor Tuyoshi Shudo

Tuyoshi Shudo 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: D318726
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: July 30, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Isamu Takekoshi, Mikio Shimizu, Minoru Saito, Tuyoshi Shudo