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Hisatoshi Hirota

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Patents Grantslast 30 patents

  • Information Patent Grant

    Control valve driven by stepping motor
    • Patent number 9,285,051
    • Issue date Mar 15, 2016
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Control valve for variable displacement compressor
    • Patent number 8,956,127
    • Issue date Feb 17, 2015
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control valve for variable displacement compressor
    • Patent number 7,452,192
    • Issue date Nov 18, 2008
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control valve for variable displacement compressor
    • Patent number 7,437,881
    • Issue date Oct 21, 2008
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control valve for variable displacement compressor
    • Patent number 7,387,501
    • Issue date Jun 17, 2008
    • TGK Co., Ltd.,
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant relief device
    • Patent number 7,386,987
    • Issue date Jun 17, 2008
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Expansion valve
    • Patent number 7,316,118
    • Issue date Jan 8, 2008
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Constant flow rate expansion value
    • Patent number 7,263,857
    • Issue date Sep 4, 2007
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle
    • Patent number 7,207,186
    • Issue date Apr 24, 2007
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve for variable displacement compressor
    • Patent number 7,121,811
    • Issue date Oct 17, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid control valve
    • Patent number 7,118,088
    • Issue date Oct 10, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Constant differential pressure valve
    • Patent number 7,047,763
    • Issue date May 23, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Constant flow rate expansion valve
    • Patent number 7,040,595
    • Issue date May 9, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Solenoid valve-equipped expansion valve
    • Patent number 7,036,744
    • Issue date May 2, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Variable displacement compressor
    • Patent number 7,021,901
    • Issue date Apr 4, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve for variable displacement compressor
    • Patent number 7,018,179
    • Issue date Mar 28, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity controller of capacity variable compressor
    • Patent number 7,014,427
    • Issue date Mar 21, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of operating a refrigeration cycle
    • Patent number 6,997,001
    • Issue date Feb 14, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Refrigeration system and method of operation therefor
    • Patent number 6,997,000
    • Issue date Feb 14, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Differential pressure valve
    • Patent number 6,986,498
    • Issue date Jan 17, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Outflow prevention device
    • Patent number 6,966,365
    • Issue date Nov 22, 2005
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Solenoid control valve
    • Patent number 6,957,663
    • Issue date Oct 25, 2005
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method of adjusting pressure sensor
    • Patent number 6,889,554
    • Issue date May 10, 2005
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Proportional valve
    • Patent number 6,866,242
    • Issue date Mar 15, 2005
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Four-way switching valve
    • Patent number 6,860,294
    • Issue date Mar 1, 2005
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Four-way switching valve
    • Patent number 6,823,897
    • Issue date Nov 30, 2004
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Four-way switching valve
    • Patent number 6,810,911
    • Issue date Nov 2, 2004
    • TGK Co., Inc.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method of controlling refrigeration cycle
    • Patent number 6,804,970
    • Issue date Oct 19, 2004
    • TGK Co., Ltd.
    • Shinji Saeki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Proportional solenoid valve
    • Patent number 6,783,110
    • Issue date Aug 31, 2004
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Expansion valve
    • Patent number 6,712,281
    • Issue date Mar 30, 2004
    • TGK Co. Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROL VALVE DRIVEN BY STEPPING MOTOR
    • Publication number 20130263955
    • Publication date Oct 10, 2013
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
    • Publication number 20130001450
    • Publication date Jan 3, 2013
    • TGK CO., LTD., a Japanese Corporation
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EXPANSION VALVE
    • Publication number 20120234931
    • Publication date Sep 20, 2012
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CONTROL VALVE FOR COMPRESSOR
    • Publication number 20080307812
    • Publication date Dec 18, 2008
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL HEAT EXCHANGER FOR AUTOMOTIVE AIR CONDITIONER
    • Publication number 20080202157
    • Publication date Aug 28, 2008
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MOUNTING STRUCTURE FOR CONTROL VALVE
    • Publication number 20080185545
    • Publication date Aug 7, 2008
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    AUTOMOTIVE AIR CONDITIONER
    • Publication number 20080141691
    • Publication date Jun 19, 2008
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Expansion valve
    • Publication number 20070283717
    • Publication date Dec 13, 2007
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Mounting structure of expansion valve
    • Publication number 20070266731
    • Publication date Nov 22, 2007
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20070264134
    • Publication date Nov 15, 2007
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Expansion valve
    • Publication number 20070209387
    • Publication date Sep 13, 2007
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Expansion device
    • Publication number 20070180854
    • Publication date Aug 9, 2007
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20070157648
    • Publication date Jul 12, 2007
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20060218953
    • Publication date Oct 5, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Constant flow rate expansion value
    • Publication number 20060219965
    • Publication date Oct 5, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20060150649
    • Publication date Jul 13, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Expansion device
    • Publication number 20060107673
    • Publication date May 25, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20060053812
    • Publication date Mar 16, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20060045758
    • Publication date Mar 2, 2006
    • TGK CO., LTD.,
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20060039799
    • Publication date Feb 23, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Refrigerant relief device
    • Publication number 20060016475
    • Publication date Jan 26, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Flow rate control valve
    • Publication number 20060005556
    • Publication date Jan 12, 2006
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20050276700
    • Publication date Dec 15, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20050265853
    • Publication date Dec 1, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Refrigeration cycle
    • Publication number 20050262873
    • Publication date Dec 1, 2005
    • TGK CO. LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Fluid control valve
    • Publication number 20050224740
    • Publication date Oct 13, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20050220631
    • Publication date Oct 6, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Refrigerant relief device
    • Publication number 20050210894
    • Publication date Sep 29, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20050201867
    • Publication date Sep 15, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control valve for variable displacement compressor
    • Publication number 20050201866
    • Publication date Sep 15, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...