Patents by Inventor Tomomasa Yoshiwara

Tomomasa Yoshiwara 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).

  • Motorcycle seat
    Patent number: 4457524
    Abstract: The upper surface of a motorcross-type motorcycle fuel tank is recessed. The front end of a motorcycle seat extends into and is seated in this recess and extends for a substantial distance rearwardly of the tank.
    Type: Grant
    Filed: April 16, 1981
    Date of Patent: July 3, 1984
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Tomomasa Yoshiwara