Inventor
HIROTA HISATOSHI
JP62 patents
⚠️ This page may combine multiple inventors who share the name “HIROTA HISATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TGK CO LTD
48 patentsUS6270015B1Aug 7, 2001
Radiator for a vehicle
TGK CO LTD64 citations96
US5702235ADec 30, 1997
Capacity control device for valiable-capacity compressor
TGK CO LTD77 citations96
US7207186B2Apr 24, 2007
Refrigeration cycle
TGK CO LTD32 citations93
US7040595B2May 9, 2006
Constant flow rate expansion valve
TGK CO LTD20 citations93
US6866242B2Mar 15, 2005
Proportional valve
TGK CO LTD32 citations93
US6457696B1Oct 1, 2002
Pilot operated flow regulating valve
TGK CO LTD21 citations93
US6443708B1Sep 3, 2002
Compression volume control apparatus for refrigeration cycle
TGK CO LTD27 citations93
US6351959B1Mar 5, 2002
Refrigerating cycle with a by-pass line
TGK CO LTD34 citations93
US6279331B1Aug 28, 2001
Vehicular refrigerating cycle with a bypass line
TGK CO LTD28 citations93
US6192695B1Feb 27, 2001
Refrigerating cycle
TGK CO LTD25 citations93
US5996369ADec 7, 1999
Air conditioner with sub-condenser
TGK CO LTD27 citations93
US6804970B2Oct 19, 2004
Method of controlling refrigeration cycle
TGK CO LTD23 citations92
US6315266B1Nov 13, 2001
Pilot-operated flow regulating valve
TGK CO LTD26 citations92
US6662581B2Dec 16, 2003
Variable displacement compressor and displacement control valve for variable displacement compressor
TGK CO LTD34 citations90
US4591677AMay 27, 1986
Three-function pressure switch
TGK CO LTD28 citations89
US9285051B2Mar 15, 2016
Control valve driven by stepping motor
TGK CO LTD9 citations84
US7452192B2Nov 18, 2008
Control valve for variable displacement compressor
TGK CO LTD13 citations84
US7014427B1Mar 21, 2006
Capacity controller of capacity variable compressor
TGK CO LTD14 citations84
US6612503B2Sep 2, 2003
Expansion valve
TGK CO LTD13 citations84
US6302656B1Oct 16, 2001
Solenoid controlled valve and variable displacement compressor
TGK CO LTD16 citations84
US6267562B1Jul 31, 2001
Variable displacement compressor
TGK CO LTD15 citations84
US6145541ANov 14, 2000
Four-way selector valve
TGK CO LTD16 citations84
US6957663B2Oct 25, 2005
Solenoid control valve
TGK CO LTD15 citations83
US6783110B2Aug 31, 2004
Proportional solenoid valve
TGK CO LTD18 citations83
US6612542B2Sep 2, 2003
Motor operated butterfly valve
TGK CO LTD16 citations83
US6532764B1Mar 18, 2003
Degree of supercooling control type expansion valve
TGK CO LTD19 citations83
US4593166AJun 3, 1986
Dual action pressure switch
TGK CO LTD22 citations81
US6889554B2May 10, 2005
Method of adjusting pressure sensor
TGK CO LTD14 citations77
US7437881B2Oct 21, 2008
Control valve for variable displacement compressor
TGK CO LTD7 citations74
US7121811B2Oct 17, 2006
Capacity control valve for variable displacement compressor
TGK CO LTD8 citations74
US7118088B2Oct 10, 2006
Fluid control valve
TGK CO LTD10 citations74
US7036744B2May 2, 2006
Solenoid valve-equipped expansion valve
TGK CO LTD8 citations74
US7018179B2Mar 28, 2006
Capacity control valve for variable displacement compressor
TGK CO LTD7 citations74
US6997000B2Feb 14, 2006
Refrigeration system and method of operation therefor
TGK CO LTD9 citations74
US6712281B2Mar 30, 2004
Expansion valve
TGK CO LTD12 citations74
US6152178ANov 28, 2000
Four-way directional control valve
TGK CO LTD13 citations74
US6986498B2Jan 17, 2006
Differential pressure valve
TGK CO LTD9 citations73
US6860294B2Mar 1, 2005
Four-way switching valve
TGK CO LTD10 citations73
US6314753B1Nov 13, 2001
Supercooling degree-controlled expansion valve
TGK CO LTD9 citations73
US6662582B2Dec 16, 2003
Displacement control valve
TGK CO LTD11 citations71
US6543672B2Apr 8, 2003
Method of forming vacuum chamber of control valve for variable capacity compressor
TGK CO LTD7 citations71
US6296194B1Oct 2, 2001
Expansion valve
TGK CO LTD8 citations71
US7387501B2Jun 17, 2008
Control valve for variable displacement compressor
TGK CO LTD5 citations63
US7263857B2Sep 4, 2007
Constant flow rate expansion value
TGK CO LTD4 citations63
US7047763B2May 23, 2006
Constant differential pressure valve
TGK CO LTD6 citations63
US6997001B2Feb 14, 2006
Method of operating a refrigeration cycle
TGK CO LTD2 citations63
US6425528B2Jul 30, 2002
Expansion valve
TGK CO LTD2 citations63
US6394761B1May 28, 2002
Capacity controller of capacity variable compressor
TGK CO LTD4 citations63
CONTROLS GMBH DEUTSCHE
1 patentNIHON RADIATOR CO
1 patentShowing the top 50 of 62 patents by PatentIndex Score.