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Hiroyuki Matsumoto

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shock absorber
    • Patent number 9,856,939
    • Issue date Jan 2, 2018
    • Hitachi Automotive Systems, Ltd.
    • Hiroyuki Matsumoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Controlling damping force shock absorber
    • Patent number 6,981,577
    • Issue date Jan 3, 2006
    • Kabushiki Kaisha Hitachi Seisakusho
    • Yohei Katayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SHOCK ABSORBER
    • Publication number 20160017951
    • Publication date Jan 21, 2016
    • Hitachi Automotive Systems, Ltd.
    • Hiroyuki MATSUMOTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Controllable damping force shock absorber
    • Publication number 20040188200
    • Publication date Sep 30, 2004
    • Yohei Katayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...