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Yasuhiko Ishikawa

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  • Tochigi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Differential and differential system
    • Patent number 7,094,172
    • Issue date Aug 22, 2006
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Differential and differential system
    • Patent number 6,832,972
    • Issue date Dec 21, 2004
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wet type friction clutch and electromagnetic clutch
    • Patent number 6,719,110
    • Issue date Apr 13, 2004
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drive power transmission apparatus
    • Patent number 6,638,194
    • Issue date Oct 28, 2003
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Four-wheel drive vehicle power train
    • Patent number 6,523,633
    • Issue date Feb 25, 2003
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masao Teraoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Differential apparatus
    • Patent number 6,436,002
    • Issue date Aug 20, 2002
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission apparatus
    • Patent number 6,413,183
    • Issue date Jul 2, 2002
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Four-wheel drive vehicle power train
    • Patent number 6,076,623
    • Issue date Jun 20, 2000
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masao Teraoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Differential apparatus
    • Patent number 6,066,063
    • Issue date May 23, 2000
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential limiting mechanism of differential apparatus
    • Patent number 5,857,936
    • Issue date Jan 12, 1999
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential apparatus
    • Patent number 5,728,024
    • Issue date Mar 17, 1998
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Makoto Ishizuka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential apparatus
    • Patent number 5,728,025
    • Issue date Mar 17, 1998
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Yasuhiko Ishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Differential and differential system
    • Publication number 20050003923
    • Publication date Jan 6, 2005
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Yasuhiko Ishikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Wet type friction clutch and electromagnetic clutch
    • Publication number 20030015385
    • Publication date Jan 23, 2003
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Yasuhiko Ishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Differential and differential system
    • Publication number 20020049110
    • Publication date Apr 25, 2002
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Yasuhiko Ishikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Drive power transmission apparatus
    • Publication number 20020035002
    • Publication date Mar 21, 2002
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Yasuhiko Ishikawa
    • B60 - VEHICLES IN GENERAL