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Fusao Semba

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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 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

    Variable displacement vane pump
    • Patent number 7,862,305
    • Issue date Jan 4, 2011
    • Hitachi, Ltd.
    • Sigeaki 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 pump having throttled control passages
    • Patent number 5,562,432
    • Issue date Oct 8, 1996
    • Jidosha Kiki Co., Ltd.
    • Fusao Semba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • 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 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 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
    • 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

    Variable displacement vane pump
    • Publication number 20070148029
    • Publication date Jun 28, 2007
    • Hitachi, Ltd.
    • Sigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...