Patents by Inventor Shoji Ishizuka

Shoji Ishizuka 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).

  • Radio controlled engine mechanism provided in a toy vehicle
    Patent number: 5762532
    Abstract: A radio controlled toy vehicle having a radio-controllable engine which starts by a motor and is capable of moving the toy vehicle in forward and reverse direction under the control of a servo mechanism, wherein the toy vehicle travels in a forward direction by use of driving power generated by the engine and travels in a reverse direction by use of driving power generated by the motor.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: June 9, 1998
    Assignee: Nikko Co., Ltd.
    Inventors: Shoji Ishizuka, Munetoshi Miyasaka