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Ryuji Nakamura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Viscous fluid coupling
    • Patent number 5,853,074
    • Issue date Dec 29, 1998
    • Aisin Seiki Kabushiki Kaisha
    • Hideaki Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous fluid coupling device
    • Patent number 5,257,686
    • Issue date Nov 2, 1993
    • Aisin Seiki Kabushiki Kaisha
    • Ryuji Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous fluid coupling apparatus
    • Patent number 5,099,803
    • Issue date Mar 31, 1992
    • Aisin Seiki Kabushiki Kaisha
    • Ryuji Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous fluid coupling with reduced scatter
    • Patent number 4,979,601
    • Issue date Dec 25, 1990
    • Aisin Seiki Kabushiki Kaisha
    • Mitsutoshi Hagiwara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine cooler
    • Patent number 4,909,311
    • Issue date Mar 20, 1990
    • Aisin Seiki Kabushiki Kaisha
    • Ryuji Nakamura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Viscous fluid coupling
    • Patent number 4,880,095
    • Issue date Nov 14, 1989
    • Aisin Seiki Kabushiki Kaisha
    • Ryuji Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous fluid coupling
    • Patent number 4,784,247
    • Issue date Nov 15, 1988
    • Aisin Seiki Kabushiki Kaisha
    • Ryuji Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Temperature responsive fluid coupling device
    • Patent number 4,555,004
    • Issue date Nov 26, 1985
    • Aisin Seiki Kabushiki Kaisha
    • Ryuji Nakamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES