Patents by Inventor Shigeki Urakawa

Shigeki Urakawa 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).

  • Automobile having selective drive wheels
    Patent number: 4684355
    Abstract: A toy automobile having selective drive wheels comprising a body, a chassis and pairs of front and rear wheels, in which either a front wheel windup spring drive unit or a freewheel holder along with a front axle is detachably arranged in a front space of the chassis, and in which either a rear wheel windup spring drive unit or a freewheel holder along with a rear axle is detachably arranged in a rear space of the chassis, whereby a selection between front wheel drive, rear wheel drive, four-wheel drive or four-freewheel is made possible.
    Type: Grant
    Filed: July 1, 1986
    Date of Patent: August 4, 1987
    Assignee: Takara Co., Ltd.
    Inventors: Shigeki Urakawa, Noriyuki Inomata