Patents by Inventor Osamu Shigehiro

Osamu Shigehiro 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: D319386
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: August 27, 1991
    Assignee: Ryobi Ltd.
    Inventor: Osamu Shigehiro