Patents by Inventor Hirozumi Toyoura

Hirozumi Toyoura 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).

  • Wheeled vehicle with rotatable endless track
    Patent number: 4204583
    Abstract: A wheeled vehicle having a source of driving power and a chassis extending longitudinally of the vehicle, which comprises a rotatable endless track device disposed between front and rear wheels of the vehicle, a system for selectively raising and lowering the endless track device with respect to the chassis whereby when the endless track device is lowered it is brought into contact with the road surface, and a connecting apparatus for drivably connecting the endless track means with the source of driving power when the endless track device is lowered and brought into contact with the road surface.
    Type: Grant
    Filed: August 8, 1977
    Date of Patent: May 27, 1980
    Inventors: Hirozumi Toyoura, Masaharu Saito