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Atsushi Maruyama

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  • Shimotsuke City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cam mechanism and clutch device with the same
    • Patent number 10,704,612
    • Issue date Jul 7, 2020
    • GKN Automotive Ltd.
    • Isao Hirota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch and differential device with same
    • Patent number 9,797,495
    • Issue date Oct 24, 2017
    • GKN Driveline Japan Ltd.
    • Hideyuki Inose
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch device and differential device with reduced friction loss
    • Patent number 9,695,922
    • Issue date Jul 4, 2017
    • GKN Driveline Japan Ltd.
    • Yasuo Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential device
    • Patent number 8,926,471
    • Issue date Jan 6, 2015
    • GKN Driveline Japan Ltd.
    • Yasuo Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch device
    • Patent number 8,591,375
    • Issue date Nov 26, 2013
    • GKN Driveline Japan Ltd.
    • Atsushi Maruyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential device
    • Patent number 8,348,799
    • Issue date Jan 8, 2013
    • GKN Driveline Torque Technology KK
    • Atsushi Maruyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CAM MECHANISM AND CLUTCH DEVICE WITH THE SAME
    • Publication number 20180231069
    • Publication date Aug 16, 2018
    • GKN Driveline Japan Ltd.
    • Isao Hirota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH AND DIFFERENTIAL DEVICE WITH SAME
    • Publication number 20160341294
    • Publication date Nov 24, 2016
    • GKN Driveline Japan Ltd
    • Hideyuki Inose
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH DEVICE AND DIFFERENTIAL DEVICE WITH REDUCED FRICTION LOSS
    • Publication number 20160223064
    • Publication date Aug 4, 2016
    • GKN Driveline Japan Ltd
    • Yasuo Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DIFFERENTIAL DEVICE
    • Publication number 20140004988
    • Publication date Jan 2, 2014
    • Yasuo YAMANAKA
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    CLUTCH DEVICE
    • Publication number 20110105264
    • Publication date May 5, 2011
    • GKN Driveline Japan Ltd.
    • Atsushi MARUYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Differential Device
    • Publication number 20100056314
    • Publication date Mar 4, 2010
    • GKN Driveline Torque Technology KK
    • Atsushi MARUYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...