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Naohiro Jotaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing apparatus
    • Patent number 8,985,591
    • Issue date Mar 24, 2015
    • NOK Corporation
    • Naohiro Jotaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal ring
    • Patent number 7,341,256
    • Issue date Mar 11, 2008
    • NOK Corporation
    • Shinya Nakaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20120319359
    • Publication date Dec 20, 2012
    • NOK Corporation
    • Naohiro Jotaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Seal ring
    • Publication number 20060038355
    • Publication date Feb 23, 2006
    • Shinya Nakaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...