Patents by Inventor Kiyoshi Kumazawa

Kiyoshi Kumazawa 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).

  • Action toy vehicle with controllable auxiliary wheel
    Patent number: 4892503
    Abstract: A remote controlled toy vehicle includes a plurality of road wheels rotatably suspended from a vehicular chassis and an auxiliary wheel mounted on a structure which can be selectively lowered and steered via remote control in a manner which permits the vehicle to be operated on the auxiliary wheel and two of the four road wheels.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: January 9, 1990
    Assignee: Apollo Corporation
    Inventor: Kiyoshi Kumazawa