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Shigeaki Yamamuro

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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable capacity vane pump
    • Patent number 8,579,598
    • Issue date Nov 12, 2013
    • Hitachi, Ltd.
    • Hideo Konishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity vane pump
    • Patent number 8,562,316
    • Issue date Oct 22, 2013
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump and power steering apparatus using the v...
    • Patent number 8,555,628
    • Issue date Oct 15, 2013
    • Hitachi Automotive Systems, Ltd.
    • Shigeaki Yamamuro
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Variable displacement vane pump
    • Patent number 8,419,392
    • Issue date Apr 16, 2013
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump with defined cam profile
    • Patent number 8,282,369
    • Issue date Oct 9, 2012
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump
    • Patent number 8,257,057
    • Issue date Sep 4, 2012
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump apparatus
    • Patent number 8,197,238
    • Issue date Jun 12, 2012
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump
    • Patent number 7,862,311
    • Issue date Jan 4, 2011
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump and method of manufacturing the same
    • Patent number 7,832,995
    • Issue date Nov 16, 2010
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotational phase adjuster
    • Patent number 7,086,359
    • Issue date Aug 8, 2006
    • Hitachi, Ltd.
    • Isao Hayase
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control system for internal combustion engine
    • Patent number 6,732,688
    • Issue date May 11, 2004
    • Unisia Jecs Corporation
    • Shigeaki Yamamuro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control system for internal combustion engine
    • Patent number 6,672,265
    • Issue date Jan 6, 2004
    • Hitachi Unisia Automotive, Ltd.
    • Tamotsu Todo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control system for internal combustion engine
    • Patent number 6,622,674
    • Issue date Sep 23, 2003
    • Unisia Jecs Corporation
    • Yoshiyuki Kobayashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary phase controller, and valve timing controller of internal co...
    • Patent number 6,561,149
    • Issue date May 13, 2003
    • Unisia Jecs Corporation
    • Yoshiyuki Kobayashi
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Fluid pressure control valve
    • Patent number 5,636,908
    • Issue date Jun 10, 1997
    • Unisia Jecs Corporation
    • Shigeaki Yamamuro
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Structure for control valve
    • Patent number 5,488,973
    • Issue date Feb 6, 1996
    • UNISIA JECS Corporation
    • Shigeaki Yamamuro
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fluid pressure control valve
    • Patent number 5,445,446
    • Issue date Aug 29, 1995
    • Unisia Jecs Corporation
    • Shigeaki Yamamuro
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Structure for control valve
    • Patent number 5,445,189
    • Issue date Aug 29, 1995
    • Unisia Jecs Corporation
    • Shigeaki Yamamuro
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Line pressure control device of an automatic transmission
    • Patent number 4,388,845
    • Issue date Jun 21, 1983
    • Nissan Motor Co., Ltd.
    • Norimasa Kishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMP APPARATUS
    • Publication number 20120224956
    • Publication date Sep 6, 2012
    • Hitachi, Ltd.
    • Shigeaki YAMAMURO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Capacity Vane Pump
    • Publication number 20110268595
    • Publication date Nov 3, 2011
    • Hitachi, Ltd
    • Shigeaki YAMAMURO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20110097231
    • Publication date Apr 28, 2011
    • Shigeaki YAMAMURO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Variable Capacity Vane Pump
    • Publication number 20100303660
    • Publication date Dec 2, 2010
    • Hitachi, Ltd
    • Hideo Konishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP AND POWER STEERING APPARATUS USING THE V...
    • Publication number 20100205952
    • Publication date Aug 19, 2010
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Shigeaki Yamamuro
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    PUMP APPARATUS
    • Publication number 20090180904
    • Publication date Jul 16, 2009
    • Hitachi, Ltd.
    • Shigeaki YAMAMURO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20090129960
    • Publication date May 21, 2009
    • Hitachi, Ltd.
    • Shigeaki YAMAMURO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20090047141
    • Publication date Feb 19, 2009
    • Hitachi, Ltd.
    • Shigeaki YAMAMURO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20090047147
    • Publication date Feb 19, 2009
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20080232978
    • Publication date Sep 25, 2008
    • Hitachi, Ltd.
    • Shigeaki YAMAMURO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20080219874
    • Publication date Sep 11, 2008
    • HITACHI LTD.
    • Shigeaki Yamamuro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Variable displacement vane pump and method of manufacturing the same
    • Publication number 20080118381
    • Publication date May 22, 2008
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Variable displacement vane pump
    • Publication number 20070224066
    • Publication date Sep 27, 2007
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable displacement vane pump and method of controlling the same
    • Publication number 20070212243
    • Publication date Sep 13, 2007
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotational phase adjuster
    • Publication number 20050257761
    • Publication date Nov 24, 2005
    • Isao Hayase
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve timing control system for internal combustion engine
    • Publication number 20030070642
    • Publication date Apr 17, 2003
    • HITACHI UNISIA AUTOMOTIVE, LTD.
    • Tamotsu Todo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve timing control system for internal combustion engine
    • Publication number 20030034000
    • Publication date Feb 20, 2003
    • UNISIA JECS CORPORATION
    • Yoshiyuki Kobayashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve timing control system for internal combustion engine
    • Publication number 20030029399
    • Publication date Feb 13, 2003
    • UNISIA JECS CORPORATION
    • Shigeaki Yamamuro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES