Patents by Inventor Manabu Shouji

Manabu Shouji 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).

  • Patent number: 8020533
    Abstract: To provide a fuel injection device for controlling a fuel injection valve including a solenoid and a magnetostrictive element to generate a drive force for driving the fuel injection valve, the fuel injection device including: a solenoid power source (31) for driving the solenoid, a solenoid drive circuit (10) adapted to control the electrification to the solenoid by the solenoid power source (31), a plurality of magnetostrictive element driving power sources (32, 33) for driving the magnetostrictive element, and a magnetostrictive element drive circuit (20) adapted to control the electrification to a magnetostrictive coil of the magnetostrictive element by the magnetostrictive element driving power sources.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: September 20, 2011
    Assignee: Keihin Corporation
    Inventors: Tadao Tsuchiya, Manabu Shouji, Tsukasa Naganuma, Yasuharu Hourai, Kenichi Omori, Kazuhito Kakimoto, Hidetaka Ozawa
  • Publication number: 20070284456
    Abstract: To provide a fuel injection device for controlling a fuel injection valve including a solenoid and a magnetostrictive element to generate a drive force for driving the fuel injection valve, the fuel injection device including: a solenoid power source (31) for driving the solenoid, a solenoid drive circuit (10) adapted to control the electrification to the solenoid by the solenoid power source (31), a plurality of magnetostrictive element driving power sources (32, 33) for driving the magnetostrictive element, and a magnetostrictive element drive circuit (20) adapted to control the electrification to a magnetostrictive coil of the magnetostrictive element by the magnetostrictive element driving power sources.
    Type: Application
    Filed: May 23, 2007
    Publication date: December 13, 2007
    Applicant: KEIHIN CORPORATION
    Inventors: Tadao Tsuchiya, Manabu Shouji, Tsukasa Naganuma, Yasuharu Hourai, Kenichi Omori, Kazuhito Kakimoto, Hidetaka Ozawa