Patents by Inventor Tuginobu Ujita

Tuginobu Ujita 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).

  • Tractor steering mechanism
    Patent number: 4319654
    Abstract: A tractor steering mechanism in which the steering wheels are journalled to the frame and are adapted to be steered by a fluid pressure cylinder. The frame is formed into a box shape. Disposed in the inside space of the box-shape frame is a swing means to operate the steering wheels through the fluid pressure cylinder.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: March 16, 1982
    Assignee: Kubota, Ltd.
    Inventor: Tuginobu Ujita
  • Operating lever assembly for farm tractors
    Patent number: 4279324
    Abstract: An operating lever assembly for a farm tractor comprising a first block attached to a side wall of a transmission case, a second block disposed close to a driver's seat, turning shafts mounted on the first block and operatively connected to operating rods projecting from the side wall of the transmission case, operating levers mounted on the second block, and coupling means operatively connecting the turning shafts to the operating levers.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: July 21, 1981
    Assignee: Robert Bosch GmbH
    Inventors: Toshiyuki Yotsumoto, Tuginobu Ujita, Eisaku Shinohara