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Hirotaka Yamada

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  • Kamiina-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coil spring
    • Patent number 8,876,095
    • Issue date Nov 4, 2014
    • NHK Spring Co., Ltd.
    • Nobuharu Kato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    COIL SPRING
    • Publication number 20120193848
    • Publication date Aug 2, 2012
    • NHK SPRING CO., LTD.
    • Nobuharu Kato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...