TREA

Kazuya KOIKE

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable valve device for engine
    • Patent number 8,061,313
    • Issue date Nov 22, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Toshihiko Takahashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine having variable valve mechanism
    • Patent number 8,033,256
    • Issue date Oct 11, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Toshihiko Takahashi
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE HAVING VARIABLE VALVE MECHANISM
    • Publication number 20090205598
    • Publication date Aug 20, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Toshihiko TAKAHASHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE VALVE DEVICE FOR ENGINE
    • Publication number 20090205597
    • Publication date Aug 20, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Toshihiko TAKAHASHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES