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Naoyuki Sakai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Limited slip differential and manufacturing method for limited slip...
    • Patent number 8,167,757
    • Issue date May 1, 2012
    • JTEKT Corporation
    • Junji Ando
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch plate, friction clutch, and coupling device
    • Patent number 7,815,028
    • Issue date Oct 19, 2010
    • JTEKT Corporation
    • Junji Ando
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Amorphous carbon film forming method and device
    • Patent number 7,803,433
    • Issue date Sep 28, 2010
    • JTEKT Corporation
    • Junji Ando
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Drive force transmission device
    • Patent number 7,677,375
    • Issue date Mar 16, 2010
    • JTEKT Corporation
    • Junji Ando
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vehicle drive device, and front-and-rear wheel-driven vehicle forme...
    • Patent number 7,270,205
    • Issue date Sep 18, 2007
    • JTEKT Corporation
    • Toshifumi Sakai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Drive power transmission device
    • Patent number 7,004,297
    • Issue date Feb 28, 2006
    • Toyoda Koki Kabushiki Kaisha
    • Junji Ando
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch plate, friction clutch, and coupling device
    • Patent number 6,920,968
    • Issue date Jul 26, 2005
    • Toyoda Koki Kabushiki Kaisha
    • Toshifumi Sakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drive system for automotive vehicle of front-and-rear wheel drive type
    • Patent number 6,864,652
    • Issue date Mar 8, 2005
    • Toyoda Koki Kabushiki Kaisha
    • Seitoku Kubo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Driving force transmission system
    • Patent number 6,510,932
    • Issue date Jan 28, 2003
    • Toyota Jidosha Kabushiki Kaisha
    • Akihiko Ikeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Driving force transmission system
    • Patent number 6,315,099
    • Issue date Nov 13, 2001
    • Toyota Jidosha Kabushiki Kaisha
    • Akihiko Ikeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch plate
    • Patent number 6,158,561
    • Issue date Dec 12, 2000
    • Toyoda Koki Kabushiki Kaisha
    • Naoyuki Sakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Driving force transmission system
    • Patent number 6,109,408
    • Issue date Aug 29, 2000
    • Toyota Jidosha Kabushiki Kaisha
    • Akihiko Ikeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drive force transmission apparatus
    • Patent number 5,899,306
    • Issue date May 4, 1999
    • Toyoda Koki Kabushiki Kaisha
    • Naoyuki Sakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torque coupling device
    • Patent number 5,454,457
    • Issue date Oct 3, 1995
    • Toyoda Koki Kabushiki Kaisha
    • Naoyuki Sakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents