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Akihiko Koba

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  • Kitakyushu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flush valve device of flush toilet
    • Patent number 6,966,536
    • Issue date Nov 22, 2005
    • Toto Ltd.
    • Kazuyuki Enomoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetic fluid seal apparatus
    • Patent number 5,165,701
    • Issue date Nov 24, 1992
    • NOK Corporation
    • Akihiko Koba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Flush valve device of flush toilet
    • Publication number 20040026640
    • Publication date Feb 12, 2004
    • Kazuyuki Enomoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...