TREA

Junya Watanabe

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expansion shaft
    • Patent number 6,428,236
    • Issue date Aug 6, 2002
    • Koyo Seiko Co., Ltd.
    • Kenichi Aota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Elastic shaft coupling
    • Patent number 5,931,737
    • Issue date Aug 3, 1999
    • Koyo Seiko Co., Ltd.
    • Kenichi Aota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Expansion shaft
    • Publication number 20010002966
    • Publication date Jun 7, 2001
    • Kenichi Aota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...