Patents by Inventor Shuji Takaoka

Shuji Takaoka 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).

  • Flow control system for use in power steering apparatus
    Patent number: 4320812
    Abstract: A flow control system for use in a power steering apparatus including a fluid cylinder for amplifying the manual steering torque and a control valve associated therewith. The flow control system is installed in a pressure fluid feed line which feeds fluid from a hydraulic pump to the fluid cylinder via the control valve.
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: March 23, 1982
    Assignee: Koyo Seiko Company Limited
    Inventors: Shuji Takaoka, Shoji Fujimoto