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Kimihiro Hanai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Tapered roller bearing
    • Patent number 6,547,443
    • Issue date Apr 15, 2003
    • NTN Corporation
    • Kimihiro Hanai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller bearing
    • Patent number 5,752,775
    • Issue date May 19, 1998
    • NTN Corporation
    • Akira Tsutsui
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    Tapered roller bearing
    • Publication number 20020044707
    • Publication date Apr 18, 2002
    • Kimihiro Hanai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...