Patents by Inventor Motonobu Hasegawa

Motonobu Hasegawa 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).

  • Intake apparatus and methods of internal combustion engine
    Patent number: 6769397
    Abstract: An intake apparatus and methods of an internal combustion engine that controls an intake air current to the combustion engine. An intake current control valve has an open portion for passing intake currents, and has an external shape that has at least four corner portions corresponding to a shape of an intake pipe. Precise control of the amount of intake air can be accomplished if the open portion is closed, and then the amount of air leaking via the periphery of the valve is measured.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: August 3, 2004
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha
    Inventors: Yuuichi Katou, Hiroki Ichinose, Atsushi Ito, Motonobu Hasegawa
  • Intake apparatus and methods of internal combustion engine
    Publication number: 20020148437
    Abstract: An intake apparatus and methods of an internal combustion engine that controls an intake air current to the combustion engine. An intake current control valve has an open portion for passing intake currents, and has an external shape that has at least four corner portions corresponding to a shape of an intake pipe. Precise control of the amount of intake air can be accomplished if the open portion is closed, and then the amount of air leaking via the periphery of the valve is measured.
    Type: Application
    Filed: April 16, 2002
    Publication date: October 17, 2002
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuuichi Katou, Hiroki Ichinose, Atsushi Ito, Motonobu Hasegawa