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Masayuki Sayama

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  • Tochigi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic system
    • Patent number 8,820,504
    • Issue date Sep 2, 2014
    • GKN Driveline Japan Ltd.
    • Masayuki Sayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission apparatus
    • Patent number 8,667,864
    • Issue date Mar 11, 2014
    • GKN Driveline Torque Technology KK
    • Kazuto Kenmotsu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power transmission device
    • Patent number 8,616,087
    • Issue date Dec 31, 2013
    • GKN Driveline Japan, Ltd.
    • Masayuki Sayama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Reduction drive device
    • Patent number 7,990,004
    • Issue date Aug 2, 2011
    • GKN Driveline Torque Technology KK
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electromagnetic clutch
    • Patent number 7,845,479
    • Issue date Dec 7, 2010
    • GKN Driveline Torque Technology KK
    • Tomiaki Ochiai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electromagnetic clutch apparatus
    • Patent number 7,815,029
    • Issue date Oct 19, 2010
    • GKN Driveline Torque Technology KK
    • Masayuki Sayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetic-path member, electromagnetic coupling device using magneti...
    • Patent number 7,592,890
    • Issue date Sep 22, 2009
    • GKN Driveline Torque Technology KK
    • Masashi Aikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motor power train and method of assembling the same
    • Patent number 6,969,333
    • Issue date Nov 29, 2005
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masayuki Sayama
    • 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

    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

    Air cycle cooling system
    • Patent number 6,158,977
    • Issue date Dec 12, 2000
    • Tochigi Fuji Sangyo Kabushiki
    • Tomiaki Ochiai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Transmission for an auxiliary device
    • Patent number 5,879,259
    • Issue date Mar 9, 1999
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masao Teraoka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Supercharger with integral by-pass passage
    • Patent number 5,730,586
    • Issue date Mar 24, 1998
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masayuki Sayama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Viscous coupling
    • Patent number 4,940,123
    • Issue date Jul 10, 1990
    • Viscodrive Japan Ltd.
    • Masayuki Sayama
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER TRANSMISSION DEVICE
    • Publication number 20120266704
    • Publication date Oct 25, 2012
    • GKN Driveline Japan Ltd.
    • Masayuki SAYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC SYSTEM
    • Publication number 20120055753
    • Publication date Mar 8, 2012
    • GKN Driveline Japan Ltd.
    • Masayuki SAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Reduction Drive Device
    • Publication number 20090160274
    • Publication date Jun 25, 2009
    • GKN Driveline Torque Technology KK
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTROMAGNETIC CLUTCH
    • Publication number 20080251344
    • Publication date Oct 16, 2008
    • GKN Driveline Torque Technology KK
    • Tomiaki Ochiai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electromagnetic clutch apparatus
    • Publication number 20080190726
    • Publication date Aug 14, 2008
    • GKN Driveline Torque Technology KK
    • Masayuki Sayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Power transmission apparatus
    • Publication number 20080113843
    • Publication date May 15, 2008
    • GKN Driveline Torque Technology KK
    • Kazuto Kenmotsu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Magnetic-path member, electromagnetic coupling device using magneti...
    • Publication number 20060144666
    • Publication date Jul 6, 2006
    • Masashi Aikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Motor power train and method of assembling the same
    • Publication number 20060014602
    • Publication date Jan 19, 2006
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masayuki Sayama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Motor power train and method of assembling the same
    • Publication number 20030054913
    • Publication date Mar 20, 2003
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masayuki Sayama
    • 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...