TREA

Yasuhiro Hirayama

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealed ball bearing
    • Patent number 7,217,036
    • Issue date May 15, 2007
    • NSK Ltd.
    • Hiroshi Ishiguro
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing
    • Patent number 6,329,326
    • Issue date Dec 11, 2001
    • NSK Ltd.
    • Kenichi Iso
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Sealed ball bearing
    • Publication number 20050063626
    • Publication date Mar 24, 2005
    • Hiroshi Ishiguro
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...