TREA

Youjirou Nakayama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating damper
    • Patent number 6,634,033
    • Issue date Oct 21, 2003
    • Sugatsune Kogyo Co., Ltd.
    • Tsuyoshi Mizuno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-disc damper using viscous fluid
    • Patent number 4,938,322
    • Issue date Jul 3, 1990
    • Sugatsune Industrial Co., Ltd.
    • Seiji Sugasawara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotating damper
    • Publication number 20030009819
    • Publication date Jan 16, 2003
    • Tsuyoshi Mizuno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...