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Akira Yamaguchi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil seal
    • Patent number 8,714,561
    • Issue date May 6, 2014
    • NOK Corporation
    • Satoshi Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil seal
    • Patent number 8,220,803
    • Issue date Jul 17, 2012
    • NOK Corporation
    • Satoshi Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil seal
    • Patent number 8,136,818
    • Issue date Mar 20, 2012
    • NOK Corporation
    • Satoshi Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil seal and process for producing the same
    • Patent number 7,789,396
    • Issue date Sep 7, 2010
    • NOK Corporation
    • Kazuki Takeno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 6,726,211
    • Issue date Apr 27, 2004
    • NOK Corporation
    • Yuichi Kuroki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil seal
    • Patent number 6,276,691
    • Issue date Aug 21, 2001
    • NOK Corporation
    • Takayuki Nishigaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Oil seal
    • Publication number 20120086173
    • Publication date Apr 12, 2012
    • Satoshi Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Oil seal
    • Publication number 20120080855
    • Publication date Apr 5, 2012
    • Satoshi Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Oil Seal
    • Publication number 20090224485
    • Publication date Sep 10, 2009
    • Satoshi Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Oil Seal and Process for Producing the Same
    • Publication number 20090200750
    • Publication date Aug 13, 2009
    • NOK Corporation
    • Kazuki Takeno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...