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Ayumu Yamamoto

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  • Iwata-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rocking bearing
    • Patent number 6,676,294
    • Issue date Jan 13, 2004
    • NTN Corporation
    • Kazuyoshi Harimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Caged roller assembly
    • Publication number 20040228562
    • Publication date Nov 18, 2004
    • NTN Corporation
    • Shinji Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rocking bearing
    • Publication number 20020136475
    • Publication date Sep 26, 2002
    • Kazuyoshi Harimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...