Patents by Inventor Yasuo Kitta

Yasuo Kitta 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).

  • Controlled output gear pump and motor
    Patent number: 3951575
    Abstract: A gear pump and motor having a plurality of pumps and motors, each of which have at least three gears interengaged with one another, seal members disposed adjacent to the gears, and control means for selectively controlling the movement of the seal members toward or away from the gears of the pump and motors so as to selectively actuate the pumps and motors so as to attain a desired output.
    Type: Grant
    Filed: July 10, 1973
    Date of Patent: April 20, 1976
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventors: Mitsuteru Motomura, Masayuki Futamata, Yasuo Kitta