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Hajime Katou

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic shock absorber
    • Patent number 7,458,448
    • Issue date Dec 2, 2008
    • Hitachi, Ltd.
    • Hajime Katou
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic shock absorber
    • Publication number 20050263363
    • Publication date Dec 1, 2005
    • Hajime Katou
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...