Patents by Inventor Masakuni Tanaka

Masakuni Tanaka 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).

  • Control unit for power steering apparatus and steering-wheel-angle correcting system
    Patent number: 6779624
    Abstract: In a control unit for use with a power steering apparatus, there are provided and integrated into a single body, a main operating fluid feed device for supplying the hydraulic cylinder with an amount of oil corresponding to the amount of rotation of the steering wheel H, an auxiliary operating fluid feed device for supplying a correcting oil for adjusting drive of said hydraulic cylinder according to control signal, and a steering wheel angle sensor disposed around the rotating shaft of the steering wheel connected to said main operating fluid feed device, to detect steering wheel angle corresponding to the rotating position of said steering wheel.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: August 24, 2004
    Assignee: Eaton Corporation
    Inventors: Atsutoshi Goto, Hiroshi Sakamoto, Yasuhiro Yuasa, Shuichi Tanaka, Shigeru Muraoka, Masakuni Tanaka
  • Control unit for power steering apparatus and steering-wheel-angle correcting system
    Publication number: 20040003955
    Abstract: In a control unit for use with a power steering apparatus, there are provided and integrated into a single body, a main operating fluid feed device for supplying the hydraulic cylinder with an amount of oil corresponding to the amount of rotation of the steering wheel H, an auxiliary operating fluid feed device for supplying a correcting oil for adjusting drive of said hydraulic cylinder according to control signal, and a steering wheel angle sensor disposed around the rotating shaft of the steering wheel connected to said main operating fluid feed device, to detect steering wheel angle corresponding to the rotating position of said steering wheel.
    Type: Application
    Filed: May 12, 2003
    Publication date: January 8, 2004
    Inventors: Atsutoshi Goto, Hiroshi Sakamoto, Yasuhiro Yuasa, Shuichi Tanaka, Shigeru Muraoka, Masakuni Tanaka