Patents by Inventor Yoshihiko Nomura

Yoshihiko Nomura 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).

  • Power assisted steering system for vehicles
    Patent number: 4294325
    Abstract: A power assisted steering system for vehicles comprises a control valve for controlling the actuation of a hydraulic servomotor operatively connected to a steering link mechanism, a valve body connected for rotation with a pinion engaged with a rack which is operatively connected to the steering link mechanism, valve members operable within the valve body and connected to a steering shaft and a torsion bar connected to the valve body and the steering shaft at opposite ends thereof. The valve body and the pinion are formed as separate elements while the torsion bar and the pinion are formed integral with each other in one piece.
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: October 13, 1981
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventor: Yoshihiko Nomura