Patents by Inventor Eishin Ueno

Eishin Ueno 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).

  • Patent number: 4374548
    Abstract: A playing vehicle is disclosed in which a human may ride on the vehicle body in a mode wherein he sits thereon while his legs are stretched and in which the body weight may be one-sided to either the left or right, thereby changing the travelling direction. The playing vehicle comprises bearings pivoted to the vehicle body by means of king pins, resilient members interposed between the vehicle body and the bearings, wheels supported on both bearings, and a prime mover placed on a mount. Both legs of a triangle whose base is a horizontal phantom line depicted longitudinally of the surface of the vehicle body is aligned with the inclining direction of the front and rear king pins.
    Type: Grant
    Filed: October 22, 1980
    Date of Patent: February 22, 1983
    Assignee: Takagi Manufacturing Co., Ltd.
    Inventors: Eishin Ueno, Sho Kikuchi