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Hirofumi Serikawa

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  • Iwata-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Four stroke internal combustion engine
    • Patent number 7,980,232
    • Issue date Jul 19, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiyuki Higaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Four Stroke Internal Combustion Engine
    • Publication number 20090205608
    • Publication date Aug 20, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yoshiyuki Higaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...