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Kunihiko Takao

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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid supply device using check valve and reactive liquid chromato...
    • Patent number 8,551,423
    • Issue date Oct 8, 2013
    • Hitachi High-Technologies Corporation
    • Kisaburo Deguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid chromatograph device
    • Patent number 7,921,696
    • Issue date Apr 12, 2011
    • Hitachi High-Technologies Corporation
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Separation column and liquid chromatography apparatus using the same
    • Patent number 7,901,573
    • Issue date Mar 8, 2011
    • Hitachi High-Technologies Corporation
    • Kimihiko Ishii
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pump for liquid chromatograph
    • Patent number 7,588,423
    • Issue date Sep 15, 2009
    • Hitachi High-Technologies Corporation
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid feeding system
    • Patent number 7,350,401
    • Issue date Apr 1, 2008
    • Hitachi High-Technologies Corporation
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump, pump for liquid chromatography, and liquid chromatography app...
    • Patent number 7,189,320
    • Issue date Mar 13, 2007
    • Hitachi High-Technologies Corporation
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for liquid chromatography
    • Patent number 7,063,785
    • Issue date Jun 20, 2006
    • Hitachi High-Technologies Corporation
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid chromatograph pump with dual cylinders and dual plungers
    • Patent number 7,063,513
    • Issue date Jun 20, 2006
    • Hitachi High-Technologies Corporation
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid chromatograph pump and control method therefor
    • Patent number 6,923,916
    • Issue date Aug 2, 2005
    • Hitachi High-Technologies Corporation
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel supply system
    • Patent number 6,725,837
    • Issue date Apr 27, 2004
    • Hitachi, Ltd.
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel supply apparatus and method of control thereof
    • Patent number 6,701,898
    • Issue date Mar 9, 2004
    • Hitachi, Ltd.
    • Kenichiro Tokuo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure fuel pump
    • Patent number 6,651,630
    • Issue date Nov 25, 2003
    • Hitachi, Ltd.
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel supply system
    • Patent number 6,505,608
    • Issue date Jan 14, 2003
    • Hitachi, Ltd.
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement type fluid machine
    • Patent number 6,352,418
    • Issue date Mar 5, 2002
    • Hitachi, Ltd.
    • Hirokatsu Kohsokabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll type fluid machine having wraps formed of circular arcs
    • Patent number 5,938,417
    • Issue date Aug 17, 1999
    • Hitachi, Ltd.
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having an orbiting scroll with volute wraps on bo...
    • Patent number 5,775,893
    • Issue date Jul 7, 1998
    • Hitachi, Ltd.
    • Kunihiko Takao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement compressor
    • Patent number 5,231,914
    • Issue date Aug 3, 1993
    • Hitachi, Ltd.
    • Isao Hayase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Balanced variable-displacement compressor
    • Patent number 5,105,728
    • Issue date Apr 21, 1992
    • Hitachi, Ltd.
    • Isao Hayase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement swash plate type compressor
    • Patent number 5,063,829
    • Issue date Nov 12, 1991
    • Hitachi, Ltd.
    • Kunihiko Takao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Refrigerating system
    • Patent number 4,867,649
    • Issue date Sep 19, 1989
    • Hitachi, Ltd.
    • Kenichi Kawashima
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Variable displacement wobble plate compressor with capacity control...
    • Patent number 4,815,943
    • Issue date Mar 28, 1989
    • Hitachi, Ltd.
    • Kenichi Kawashima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity swash plate compressor
    • Patent number 4,801,248
    • Issue date Jan 31, 1989
    • Hitachi, Ltd.
    • Kenji Tojo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement compressor
    • Patent number 4,782,712
    • Issue date Nov 8, 1988
    • Hitachi, Ltd.
    • Yukio Takahashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slide vane type compressor with increased suction part-cross-sectio...
    • Patent number 4,702,684
    • Issue date Oct 27, 1987
    • Hitachi, Ltd.
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane type compressor with fluid pressure biased vanes
    • Patent number 4,653,991
    • Issue date Mar 31, 1987
    • Hitachi, Ltd.
    • Kunihiko Takao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane type compressor with volume control
    • Patent number 4,636,148
    • Issue date Jan 13, 1987
    • Hitachi, Ltd.
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Swash plate type compressor
    • Patent number 4,321,019
    • Issue date Mar 23, 1982
    • Hitachi, Ltd.
    • Takashi Degawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID SUPPLY DEVICE USING CHECK VALVE AND REACTIVE LIQUID CHROMATO...
    • Publication number 20120128533
    • Publication date May 24, 2012
    • Hitachi High-Technologies Corporation
    • Kisaburo Deguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID CHROMATOGRAPH DEVICE
    • Publication number 20080296209
    • Publication date Dec 4, 2008
    • Kunihiko Takao
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Separation column and liquid chromatography apparatus using the same
    • Publication number 20080283458
    • Publication date Nov 20, 2008
    • Kimihiko Ishii
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid feeding system
    • Publication number 20060000759
    • Publication date Jan 5, 2006
    • Kunihiko Takao
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid chromatograph pump and control method therefor
    • Publication number 20050095145
    • Publication date May 5, 2005
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump, pump for liquid chromatography, and liquid chromatography app...
    • Publication number 20050061722
    • Publication date Mar 24, 2005
    • Kunihiko Takao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump for liquid chromatography
    • Publication number 20050023205
    • Publication date Feb 3, 2005
    • Kenji Hiraku
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Pump for liquid chromatograph
    • Publication number 20040164013
    • Publication date Aug 26, 2004
    • Kunihiko Takao
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    High pressure fuel pump
    • Publication number 20030059322
    • Publication date Mar 27, 2003
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel supply system
    • Publication number 20020157646
    • Publication date Oct 31, 2002
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel supply apparatus and method of control thereof
    • Publication number 20020129793
    • Publication date Sep 19, 2002
    • Kenichiro Tokuo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel supply system
    • Publication number 20020033167
    • Publication date Mar 21, 2002
    • Kenji Hiraku
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...