Patents by Inventor Eiji Numata

Eiji Numata 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).

  • Exhaust gas recirculation valve
    Patent number: 6708675
    Abstract: In the wall portion of a valve housing deposed in connection with an engine block, a cooling-water-taking-out passage that has a cooling water inlet port having an opening on the to-be-connected surface of the valve housing to an engine block, and that takes out the cooling water coming from a cooling water passage of the engine block is integrally formed, and thereby the cooling water inlet port is configured to be connected with the cooling water passage.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: March 23, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasuhiko Kato, Hisashi Yokoyama, Eiji Numata, Hidetoshi Okada
  • Exhaust gas recirculation valve
    Publication number: 20020174858
    Abstract: In the wall portion of a valve housing deposed in connection with an engine block, a cooling-water-taking-out passage that has a cooling water inlet port having an opening on the to-be-connected surface of the valve housing to an engine block, and that takes out the cooling water coming from a cooling water passage of the engine block is integrally formed, and thereby the cooling water inlet port is configured to be connected with the cooling water passage.
    Type: Application
    Filed: November 13, 2001
    Publication date: November 28, 2002
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventors: Yasuhiko Kato, Hisashi Yokoyama, Eiji Numata, Hidetoshi Okada