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Masashi Aikawa

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  • Tochigi City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Differential device
    • Patent number 11,815,171
    • Issue date Nov 14, 2023
    • GKN Automotive Limited
    • Masashi Aikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission device
    • Patent number 11,207,966
    • Issue date Dec 28, 2021
    • GKN Automotive Limited
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power transmission device
    • Patent number 10,828,977
    • Issue date Nov 10, 2020
    • GKN Automotive Ltd.
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Disconnectable power transfer unit
    • Patent number 10,479,199
    • Issue date Nov 19, 2019
    • GKN Driveline Japan Ltd.
    • Satoshi Niimura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Transmission device
    • Patent number 9,534,663
    • Issue date Jan 3, 2017
    • GKN Driveline Japan Ltd.
    • Isao Hirota
    • 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

    Friction engaging device
    • Patent number 7,870,941
    • Issue date Jan 18, 2011
    • GKN Driveline Torque Technology KK
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • 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

    Power transmission system and operation method thereof
    • Patent number 7,223,191
    • Issue date May 29, 2007
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power transmission system and operation method therefor
    • Patent number 7,086,978
    • Issue date Aug 8, 2006
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Differential gear mechanism
    • Patent number 7,074,150
    • Issue date Jul 11, 2006
    • Miyoshi & Miyoshi
    • Masaaki Fusegi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Actuator
    • Patent number 6,966,863
    • Issue date Nov 22, 2005
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masao Teraoka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Actuator and intermissive power transmission device therewith
    • Patent number 6,959,799
    • Issue date Nov 1, 2005
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masaaki Fusegi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential gear mechanism
    • Patent number 6,945,895
    • Issue date Sep 20, 2005
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masaaki Fusegi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch system and differential with same
    • Patent number 6,827,661
    • Issue date Dec 7, 2004
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masaaki Fusegi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power transmission system and operation method therefor
    • Patent number 6,770,005
    • Issue date Aug 3, 2004
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SUB-ASSEMBLY FOR E-AXLE
    • Publication number 20250237297
    • Publication date Jul 24, 2025
    • GKN Automotive Limited
    • Kazuto Kenmotsu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DIFFERENTIAL DEVICE
    • Publication number 20230133653
    • Publication date May 4, 2023
    • GKN Automotive Limited
    • Masashi Aikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    POWER TRANSMISSION DEVICE
    • Publication number 20210001708
    • Publication date Jan 7, 2021
    • GKN Automotive Ltd.
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWER TRANSMISSION DEVICE
    • Publication number 20190070947
    • Publication date Mar 7, 2019
    • GKN Driveline Japan Ltd
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DISCONNECTABLE POWER TRANSFER UNIT
    • Publication number 20180201128
    • Publication date Jul 19, 2018
    • GKN Driveline Japan Ltd.
    • Satoshi Niimura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    TRANSMISSION DEVICE
    • Publication number 20160238107
    • Publication date Aug 18, 2016
    • GKN Driveline Japan Ltd
    • Isao Hirota
    • 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

    Power transmission system and operation method thereof
    • Publication number 20060166777
    • Publication date Jul 27, 2006
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masashi Aikawa
    • 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

    Friction engaging device
    • Publication number 20060046890
    • Publication date Mar 2, 2006
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Differential gear mechanism
    • Publication number 20050277510
    • Publication date Dec 15, 2005
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masaaki Fusegi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Power transmission system and operation method therefor
    • Publication number 20040154853
    • Publication date Aug 12, 2004
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Actuator and intermissive power transmission device therewith
    • Publication number 20040142786
    • Publication date Jul 22, 2004
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masaaki Fusegi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator
    • Publication number 20030184171
    • Publication date Oct 2, 2003
    • Masao Teraoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Clutch system and differential with same
    • Publication number 20030162622
    • Publication date Aug 28, 2003
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masaaki Fusegi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Differential gear mechanism
    • Publication number 20020155913
    • Publication date Oct 24, 2002
    • TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
    • Masaaki Fusegi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Power transmission system and operation method therefor
    • Publication number 20020019284
    • Publication date Feb 14, 2002
    • Masashi Aikawa
    • B60 - VEHICLES IN GENERAL