TGK CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for TGK CO., LTD..The latest application filed is for "motor operated valve".
Company Profile
15.160.131
- TGK CO., LTD. - Tokyo N/A JP
- TGK CO., LTD. - Toyko N/A JP
- TGK CO., LTD - Tokyo N/A JP
- TGK CO., LTD - Toyko N/A JP
- TGK CO., LTD. - Hachioji-shi, Tokyo N/A JP
- TGK Co., Ltd. - Hachioji-shi JP
- TGK Co., Ltd. - Hachioji JP
- TGK CO., LTD. - 1211-4, Kunugida-cho, Tokyo JP
- TGK Co. Ltd. - JP JP
- TGK CO., LTD - Hachioji-shi JP
- TGK CO., LTD -
- TGK Company, Limited - Hachioji JP
Patent Activity
| Patent | Date |
|---|---|
| Motor operated valve Grant 10,948,099 - Matsumoto , et al. March 16, 2 | 2021-03-16 |
| Control valve for variable displacement compressor Grant 10,883,480 - Irie , et al. January 5, 2 | 2021-01-05 |
| Control valve for variable displacement compressor Grant 10,837,431 - Tonegawa , et al. November 17, 2 | 2020-11-17 |
| Control valve for variable displacement compressor Grant 10,801,480 - Sugamura , et al. October 13, 2 | 2020-10-13 |
| Control valve for variable displacement compressor Grant 10,760,559 - Irie , et al. Sep | 2020-09-01 |
| Motor Operated Valve App 20200263800 - MATSUMOTO; Michio ; et al. | 2020-08-20 |
| Control valve for variable displacement compressor Grant 10,557,463 - Sugamura , et al. Feb | 2020-02-11 |
| Expansion valve Grant D854,655 - Satake , et al. | 2019-07-23 |
| Butterfly valve Grant 10,323,752 - Andoh , et al. | 2019-06-18 |
| Control valve Grant 10,309,702 - Kaneko | 2019-06-04 |
| Control valve Grant 10,310,522 - Satake , et al. | 2019-06-04 |
| Electromagnetic valve Grant 10,260,786 - Andoh | 2019-04-16 |
| Control Valve For Variable Displacement Compressor App 20190040852 - Sugamura; Ryota ; et al. | 2019-02-07 |
| Control Valve For Variable Displacement Compressor App 20190040853 - Sugamura; Ryota ; et al. | 2019-02-07 |
| Expansion valve Grant 10,190,807 - Satake , et al. Ja | 2019-01-29 |
| Motor operated valve apparatus and motor operated valve controller Grant 10,132,540 - Takahashi November 20, 2 | 2018-11-20 |
| Control valve for variable displacement compressor Grant 10,113,539 - Sugamura , et al. October 30, 2 | 2018-10-30 |
| Expansion valve and pipe mounting structure thereof Grant 10,107,534 - Kumakura , et al. October 23, 2 | 2018-10-23 |
| Control Valve For Variable Displacement Compressor App 20180291888 - TONEGAWA; Masaaki ; et al. | 2018-10-11 |
| Motor actuator Grant 10,079,521 - Akiyama , et al. September 18, 2 | 2018-09-18 |
| Expansion Valve App 20180202696 - SATAKE; Ryosuke ; et al. | 2018-07-19 |
| Control Valve For Variable Displacement Compressor App 20180135610 - IRIE; Kazuhiro ; et al. | 2018-05-17 |
| Motor actuator Grant 9,935,521 - Tsuda , et al. April 3, 2 | 2018-04-03 |
| Expansion valve and vibration-proof spring Grant 9,909,793 - Satake March 6, 2 | 2018-03-06 |
| Control valve for a variable displacement compressor Grant 9,903,362 - Saeki , et al. February 27, 2 | 2018-02-27 |
| Expansion valve Grant 9,885,506 - Satake , et al. February 6, 2 | 2018-02-06 |
| Control valve for a variable displacement compressor Grant 9,863,411 - Saeki , et al. January 9, 2 | 2018-01-09 |
| Control Valve For Variable Displacement Compressor App 20170356430 - IRIE; Kazuhiro ; et al. | 2017-12-14 |
| Butterfly Valve App 20170328477 - ANDOH; Toshihiro ; et al. | 2017-11-16 |
| Motor operated valve Grant 9,803,770 - Takahashi , et al. October 31, 2 | 2017-10-31 |
| Expansion valve Grant D800,256 - Satake , et al. October 17, 2 | 2017-10-17 |
| Expansion valve Grant D799,640 - Satake , et al. October 10, 2 | 2017-10-10 |
| Expansion valve with vibration proof spring Grant 9,777,954 - Satake , et al. October 3, 2 | 2017-10-03 |
| Expansion valve Grant D799,009 - Satake , et al. October 3, 2 | 2017-10-03 |
| Control valve Grant 9,766,001 - Satake , et al. September 19, 2 | 2017-09-19 |
| Composite valve with main valve element and sub-valve element Grant 9,732,874 - Saeki , et al. August 15, 2 | 2017-08-15 |
| Expansion valve Grant D792,948 - Kumakura , et al. July 25, 2 | 2017-07-25 |
| Expansion valve and vibration-proof spring Grant 9,702,601 - Satake , et al. July 11, 2 | 2017-07-11 |
| Expansion valve Grant 9,702,604 - Kaneko July 11, 2 | 2017-07-11 |
| Expansion Valve App 20170176067 - SATAKE; Ryosuke ; et al. | 2017-06-22 |
| Control valve for a variable displacement compressor Grant 9,651,037 - Sakakibara , et al. May 16, 2 | 2017-05-16 |
| Expansion valve Grant D782,009 - Watanabe , et al. March 21, 2 | 2017-03-21 |
| Expansion valve Grant D782,010 - Watanabe , et al. March 21, 2 | 2017-03-21 |
| Motor Actuator, Method of Processing Motor Actuator, and Method of Inspecting Motor Actuator App 20170067755 - Tsuda; Hitoshi ; et al. | 2017-03-09 |
| Control Valve App 20170052548 - SATAKE; Ryosuke ; et al. | 2017-02-23 |
| Control valve for variable displacement compressor Grant 9,562,524 - Yoshihiro , et al. February 7, 2 | 2017-02-07 |
| Control valve for variable displacement compressor Grant 9,556,862 - Yoshihiro , et al. January 31, 2 | 2017-01-31 |
| Control valve Grant 9,556,961 - Shiota , et al. January 31, 2 | 2017-01-31 |
| Automotive air conditioner and expansion valve Grant 9,551,518 - Hayakawa , et al. January 24, 2 | 2017-01-24 |
| Electromagnetic valve Grant 9,518,663 - Shiota , et al. December 13, 2 | 2016-12-13 |
| Expansion Valve App 20160356533 - SATAKE; Ryosuke ; et al. | 2016-12-08 |
| Control valve for variable displacement compressor Grant 9,512,833 - Yoshihiro , et al. December 6, 2 | 2016-12-06 |
| Motor Operated Valve Apparatus And Motor Operated Valve Controller App 20160313037 - Takahashi; Kazushi | 2016-10-27 |
| Control Valve For Variable Displacement Compressor App 20160290326 - Sugamura; Ryota ; et al. | 2016-10-06 |
| Expansion Valve And Pipe Mounting Structure Thereof App 20160231037 - Kumakura; Takanao ; et al. | 2016-08-11 |
| Pressure Sensor Module And Method For Manufacturing The Same App 20160209286 - Kaneko; Yasuaki ; et al. | 2016-07-21 |
| Control Valve For Variable Displacement Compressor App 20160186733 - Sugamura; Ryota ; et al. | 2016-06-30 |
| Control valve driven by stepping motor Grant 9,366,353 - Ooe , et al. June 14, 2 | 2016-06-14 |
| Expansion Valve App 20160153689 - Satake; Ryosuke ; et al. | 2016-06-02 |
| Motor Operated Valve App 20160146366 - Takahashi; Kazushi ; et al. | 2016-05-26 |
| Motor Actuator App 20160141933 - Akiyama; Tomohiro ; et al. | 2016-05-19 |
| Electromagnetic Valve App 20160131403 - Andoh; Toshihiro | 2016-05-12 |
| Terminal Unit, Motor Actuator And Terminal Holder App 20160126680 - Maeda; Koichi | 2016-05-05 |
| Expansion valve Grant D754,818 - Watanabe , et al. April 26, 2 | 2016-04-26 |
| Control Valve App 20160097574 - Kaneko; Takeshi | 2016-04-07 |
| Control Valve App 20160084549 - Satake; Ryosuke ; et al. | 2016-03-24 |
| Control valve Grant 9,285,054 - Matsumoto , et al. March 15, 2 | 2016-03-15 |
| Control valve driven by stepping motor Grant 9,285,051 - Hirota March 15, 2 | 2016-03-15 |
| Control valve Grant 9,285,046 - Tonegawa March 15, 2 | 2016-03-15 |
| Motor actuator Grant D747,745 - Sannomiya January 19, 2 | 2016-01-19 |
| Motor Actuator App 20150381016 - TSUDA; Hitoshi ; et al. | 2015-12-31 |
| Expansion valve Grant D746,410 - Kaneko , et al. December 29, 2 | 2015-12-29 |
| Control Valve For Variable Displacement Compressor App 20150260176 - Yoshihiro; Ryousuke ; et al. | 2015-09-17 |
| Control Valve For Variable Displacement Compressor App 20150240795 - Yoshihiro; Ryousuke ; et al. | 2015-08-27 |
| Control Valve For Variable Displacement Compressor App 20150241101 - Yoshihiro; Ryousuke ; et al. | 2015-08-27 |
| Control Valve For Variable Displacement Compressor App 20150240796 - Yoshihiro; Ryousuke ; et al. | 2015-08-27 |
| Electromagnetic Valve App 20150233487 - Matsumoto; Michio ; et al. | 2015-08-20 |
| Expansion Valve App 20150160664 - KANEKO; Takeshi | 2015-06-11 |
| Electromagnetic Valve App 20150096630 - OGAWA; Hirofumi ; et al. | 2015-04-09 |
| Electromagnetic Valve App 20150083240 - Abe; Shigeru ; et al. | 2015-03-26 |
| Control Valve App 20150083257 - Shiota; Toshiyuki ; et al. | 2015-03-26 |
| Electromagnetic Valve App 20150083241 - Shiota; Toshiyuki ; et al. | 2015-03-26 |
| Control valve for variable displacement compressor Grant 8,956,127 - Hirota February 17, 2 | 2015-02-17 |
| Expansion valve Grant D722,135 - Kumakura February 3, 2 | 2015-02-03 |
| Control Valve For A Variable Displacement Compressor App 20150010410 - Saeki; Shinji ; et al. | 2015-01-08 |
| Control Valve For A Variable Displacement Compressor App 20150004010 - Saeki; Shinji ; et al. | 2015-01-01 |
| Automotive Air Conditioner And Expansion Valve App 20140318164 - Hayakawa; Satoshi ; et al. | 2014-10-30 |
| Control Valve Driven By Stepping Motor App 20140291562 - Ooe; Yuto ; et al. | 2014-10-02 |
| Expansion Valve and Vibration-Proof Spring App 20140261765 - Satake; Ryosuke | 2014-09-18 |
| Method of forming throttle passage and pipe with throttle passage Grant 8,820,654 - Kumakura , et al. September 2, 2 | 2014-09-02 |
| Expansion valve Grant D706,393 - Kaneko June 3, 2 | 2014-06-03 |
| Composite Valve App 20140130916 - Saeki; Shinji ; et al. | 2014-05-15 |
| Expansion valve Grant D701,590 - Kaneko March 25, 2 | 2014-03-25 |
| Expansion valve Grant D701,292 - Kaneko March 18, 2 | 2014-03-18 |
| Control Valve App 20130313461 - Tonegawa; Masaaki | 2013-11-28 |
| Expansion valve Grant D694,362 - Kaneko November 26, 2 | 2013-11-26 |
| Expansion valve Grant D693,430 - Kaneko November 12, 2 | 2013-11-12 |
| Expansion Valve And Vibration-proof Spring App 20130283836 - Satake; Ryosuke ; et al. | 2013-10-31 |
| Expansion valve Grant D692,533 - Kaneko October 29, 2 | 2013-10-29 |
| Control Valve For A Variable Displacement Compressor App 20130276920 - Sakakibara; Hidekazu ; et al. | 2013-10-24 |
| Control Valve Driven By Stepping Motor App 20130263955 - Hirota; Hisatoshi | 2013-10-10 |
| Expansion valve for refrigeration cycle Grant D689,594 - Kumakura September 10, 2 | 2013-09-10 |
| Expansion valve of an air conditioning system Grant D683,819 - Watanabe , et al. June 4, 2 | 2013-06-04 |
| Expansion valve of an air conditioning system Grant D683,820 - Watanabe , et al. June 4, 2 | 2013-06-04 |
| Motor actuator Grant D680,141 - Sannomiya April 16, 2 | 2013-04-16 |
| Expansion Valve App 20120234931 - Hirota; Hisatoshi ; et al. | 2012-09-20 |
| Motor actuator Grant D660,891 - Sannomiya May 29, 2 | 2012-05-29 |
| Method Of Forming Throttle Passage, Expansion Valve With Throttle Passage, And Pipe With Throttle Passage App 20110259968 - Kumakura; Takanao ; et al. | 2011-10-27 |
| Expansion valve of an air conditioning system Grant D621,475 - Matsumoto August 10, 2 | 2010-08-10 |
| Expansion valve Grant D611,123 - Matsumoto March 2, 2 | 2010-03-02 |
| Expansion valve Grant D589,118 - Watanabe March 24, 2 | 2009-03-24 |
| Control Valve For Compressor App 20080307812 - HIROTA; Hisatoshi | 2008-12-18 |
| Control valve for variable displacement compressor Grant 7,452,192 - Hirota November 18, 2 | 2008-11-18 |
| Control valve for variable displacement compressor Grant 7,437,881 - Hirota October 21, 2 | 2008-10-21 |
| Internal Heat Exchanger For Automotive Air Conditioner App 20080202157 - HIROTA; Hisatoshi | 2008-08-28 |
| Mounting Structure For Control Valve App 20080185545 - HIROTA; Hisatoshi | 2008-08-07 |
| Automotive Air Conditioner App 20080141691 - HIROTA; Hisatoshi | 2008-06-19 |
| Control valve for variable displacement compressor Grant 7,387,501 - Hirota June 17, 2 | 2008-06-17 |
| Refrigerant relief device Grant 7,386,987 - Hirota June 17, 2 | 2008-06-17 |
| Control valve for variable displacement compressor Grant 7,381,031 - Kawaguchi , et al. June 3, 2 | 2008-06-03 |
| Expansion Device App 20080053125 - SATAKE; Ryosuke ; et al. | 2008-03-06 |
| Differential pressure valve App 20080006331 - Shiota; Toshiyuki ; et al. | 2008-01-10 |
| Expansion valve Grant 7,316,118 - Hirota , et al. January 8, 2 | 2008-01-08 |
| Expansion valve App 20070283717 - Hirota; Hisatoshi | 2007-12-13 |
| Mounting structure of expansion valve App 20070266731 - Hirota; Hisatoshi | 2007-11-22 |
| Control valve for variable displacement compressor App 20070264134 - Hirota; Hisatoshi | 2007-11-15 |
| Expansion valve App 20070209387 - Hirota; Hisatoshi | 2007-09-13 |
| Constant flow rate expansion value Grant 7,263,857 - Hirota September 4, 2 | 2007-09-04 |
| Expansion device App 20070180854 - Hirota; Hisatoshi ; et al. | 2007-08-09 |
| Control valve for variable displacement compressor App 20070157648 - Hirota; Hisatoshi | 2007-07-12 |
| Refrigeration cycle Grant 7,207,186 - Hirota April 24, 2 | 2007-04-24 |
| Refrigeration system Grant 7,165,421 - Tsugawa January 23, 2 | 2007-01-23 |
| Capacity control valve for variable displacement compressor Grant 7,121,811 - Hirota October 17, 2 | 2006-10-17 |
| Three-way valve Grant 7,117,889 - Koyama October 10, 2 | 2006-10-10 |
| Fluid control valve Grant 7,118,088 - Hirota October 10, 2 | 2006-10-10 |
| Switching valve Grant 7,117,895 - Koyama October 10, 2 | 2006-10-10 |
| Control valve for variable displacement compressor App 20060218953 - Hirota; Hisatoshi | 2006-10-05 |
| Constant flow rate expansion value App 20060219965 - Hirota; Hisatoshi | 2006-10-05 |
| Expansion valve App 20060196201 - Sendo; Isao ; et al. | 2006-09-07 |
| Control valve for variable displacement compressor App 20060150649 - Hirota; Hisatoshi | 2006-07-13 |
| Four-way switching valve Grant 7,069,949 - Koyama July 4, 2 | 2006-07-04 |
| Switching valve App 20060124185 - Koyama; Katsumi | 2006-06-15 |
| Expansion device App 20060117793 - Tsugawa; Tokumi ; et al. | 2006-06-08 |
| Expansion device App 20060107673 - Hirota; Hisatoshi | 2006-05-25 |
| Constant differential pressure valve Grant 7,047,763 - Hirota May 23, 2 | 2006-05-23 |
| Constant flow rate expansion valve Grant 7,040,595 - Hirota May 9, 2 | 2006-05-09 |
| Solenoid valve-equipped expansion valve Grant 7,036,744 - Hirota May 2, 2 | 2006-05-02 |
| Control valve for variable displacement compressor App 20060086918 - Koyama; Katsumi | 2006-04-27 |
| Control valve for variable displacement compressor App 20060083625 - Koyama; Katsumi ; et al. | 2006-04-20 |
| Switching valve Grant 7,028,713 - Koyama April 18, 2 | 2006-04-18 |
| Variable displacement compressor Grant 7,021,901 - Hirota , et al. April 4, 2 | 2006-04-04 |
| Capacity control valve for variable displacement compressor Grant 7,018,179 - Hirota March 28, 2 | 2006-03-28 |
| Capacity controller of capacity variable compressor Grant 7,014,427 - Hirota March 21, 2 | 2006-03-21 |
| Control valve for variable displacement compressor App 20060053812 - Hirota; Hisatoshi | 2006-03-16 |
| Control valve for variable displacement compressor App 20060045758 - Hirota; Hisatoshi | 2006-03-02 |
| Control valve for variable displacement compressor App 20060039798 - Yoshihiro; Ryosuke | 2006-02-23 |
| Control valve for variable displacement compressor App 20060039799 - Hirota; Hisatoshi | 2006-02-23 |
| Refrigeration system and method of operation therefor Grant 6,997,000 - Hirota February 14, 2 | 2006-02-14 |
| Method of operating a refrigeration cycle Grant 6,997,001 - Hirota February 14, 2 | 2006-02-14 |
| Refrigerant relief device App 20060016475 - Hirota; Hisatoshi | 2006-01-26 |
| Differential pressure valve Grant 6,986,498 - Hirota , et al. January 17, 2 | 2006-01-17 |
| Flow rate control valve App 20060005556 - Hirota; Hisatoshi | 2006-01-12 |
| Control valve for variable displacement compressor App 20050276700 - Hirota, Hisatoshi | 2005-12-15 |
| Refrigeration cycle App 20050262873 - Hirota, Hisatoshi | 2005-12-01 |
| Control valve for variable displacement compressor App 20050265853 - Hirota, Hisatoshi | 2005-12-01 |
| Air conditioning system Grant 6,966,195 - Saeki November 22, 2 | 2005-11-22 |
| Outflow prevention device Grant 6,966,365 - Hirota , et al. November 22, 2 | 2005-11-22 |
| Solenoid control valve Grant 6,957,663 - Hirota , et al. October 25, 2 | 2005-10-25 |
| Fluid control valve App 20050224740 - Hirota, Hisatoshi | 2005-10-13 |
| Refrigeration system App 20050217313 - Tsugawa, Tokumi | 2005-10-06 |
| Control valve for variable displacement compressor App 20050220631 - Hirota, Hisatoshi | 2005-10-06 |
| Refrigerant relief device App 20050210894 - Hirota, Hisatoshi | 2005-09-29 |
| Control valve for variable displacement compressor App 20050201867 - Hirota, Hisatoshi | 2005-09-15 |
| Control valve for variable displacement compressor App 20050201866 - Hirota, Hisatoshi | 2005-09-15 |
| Control valve for variable displacement compressor App 20050169768 - Kawaguchi, Takeshi ; et al. | 2005-08-04 |
| Method of adjusting pressure sensor Grant 6,889,554 - Hirota , et al. May 10, 2 | 2005-05-10 |
| Three-way switching valve Grant 6,883,545 - Koyama April 26, 2 | 2005-04-26 |
| Refrigeration cycle App 20050066674 - Hirota, Hisatoshi ; et al. | 2005-03-31 |
| Flow-regulating expansion valve App 20050056034 - Hirota, Hisatoshi | 2005-03-17 |
| Constant differential pressure valve App 20050056050 - Hirota, Hisatoshi | 2005-03-17 |
| Proportional valve Grant 6,866,242 - Hirota March 15, 2 | 2005-03-15 |
| Expansion device App 20050050916 - Hirota, Hisatoshi ; et al. | 2005-03-10 |
| Capacity control valve for variable displacement compressor App 20050053474 - Hirota, Hisatoshi ; et al. | 2005-03-10 |
| Four-way switching valve Grant 6,860,294 - Hirota , et al. March 1, 2 | 2005-03-01 |
| Expansion valve App 20050016208 - Hirota, Hisatoshi ; et al. | 2005-01-27 |
| Refrigeration cycle App 20050011221 - Hirota, Hisatoshi | 2005-01-20 |
| Three-way valve App 20040244845 - Koyama, Katsumi | 2004-12-09 |
| Four-way switching valve Grant 6,823,897 - Hirota , et al. November 30, 2 | 2004-11-30 |
| Four-way switching valve App 20040226618 - Koyama, Katsumi | 2004-11-18 |
| Method of controlling refrigeration cycle Grant 6,804,970 - Saeki , et al. October 19, 2 | 2004-10-19 |
| Control valve for variable displacement compressor App 20040191078 - Yoshihiro, Ryosuke ; et al. | 2004-09-30 |
| Proportional solenoid valve Grant 6,783,110 - Hirota , et al. August 31, 2 | 2004-08-31 |
| Switching valve App 20040134548 - Koyama, Katsumi | 2004-07-15 |
| Method Of Operating A Refrigeration Cycle App 20040107716 - Hirota, Hisatoshi | 2004-06-10 |
| Refrigeration system and method of operation therefor App 20040103677 - Hirota, Hisatoshi | 2004-06-03 |
| Variable displacement compressor App 20040091369 - Hirota, Hisatoshi ; et al. | 2004-05-13 |
| Control valve for variable displacement compressor App 20040086391 - Hirota, Hisatoshi ; et al. | 2004-05-06 |
| Capacity control valve for variable displacement compressor App 20040074245 - Nakazawa, Tomokazu | 2004-04-22 |
| Expansion valve Grant 6,712,281 - Hirota , et al. March 30, 2 | 2004-03-30 |
| Capacity control valve for variable displacement compressor App 20040057840 - Hirota, Hisatoshi | 2004-03-25 |
| Solenoid valve-equipped expansion valve App 20040055318 - Hirota, Hisatoshi | 2004-03-25 |
| Proportional valve App 20040046140 - Hirota, Hisatoshi | 2004-03-11 |
| Differential pressure control valve App 20040036044 - Hirota, Hisatoshi | 2004-02-26 |
| Refrigerating cycle Grant 6,694,760 - Hirota , et al. February 24, 2 | 2004-02-24 |
| Air conditioning system App 20040025524 - Saeki, Shinji | 2004-02-12 |
| Constant flow rate expansion valve App 20040011980 - Hirota, Hisatoshi | 2004-01-22 |
| Expansion valve App 20040007015 - Sendo, Isao ; et al. | 2004-01-15 |
| Method of controlling refrigeration cycle App 20040003603 - Saeki, Shinji ; et al. | 2004-01-08 |
| Three-way switching value App 20030230347 - Koyama, Katsumi | 2003-12-18 |
| Variable displacement compressor and displacement control valve for variable displacement compressor Grant 6,662,581 - Hirota , et al. December 16, 2 | 2003-12-16 |
| Displacement control valve Grant 6,662,582 - Hirota , et al. December 16, 2 | 2003-12-16 |
| Capacity control valve for variable displacement compressor App 20030223884 - Hirota, Hisatoshi | 2003-12-04 |
| Outflow prevention device App 20030213516 - Hirota, Hisatoshi ; et al. | 2003-11-20 |
| Capacity control valve for variable displacement compressor App 20030210988 - Hirota, Hisatoshi | 2003-11-13 |
| In-car sensor equipped with aspirator fan motor Grant 6,622,924 - Arata , et al. September 23, 2 | 2003-09-23 |
| Expansion valve Grant 6,612,503 - Hirota , et al. September 2, 2 | 2003-09-02 |
| Motor operated butterfly valve Grant 6,612,542 - Hirota , et al. September 2, 2 | 2003-09-02 |
| Differential pressure valve App 20030151011 - Hirota, Hisatoshi ; et al. | 2003-08-14 |
| Proportional solenoid valve App 20030146402 - Hirota, Hisatoshi ; et al. | 2003-08-07 |
| Expansion valve App 20030079493 - Hirota, Hisatoshi ; et al. | 2003-05-01 |
| Expansion valve App 20030066303 - Hirota, Hisatoshi ; et al. | 2003-04-10 |
| Displacement control valve App 20030024257 - Hirota, Hisatoshi ; et al. | 2003-02-06 |
| Variable displacement compressor and displacement control valve for variable displacement compressor App 20030019226 - Hirota, Hisatoshi ; et al. | 2003-01-30 |
| Four-way switching valve App 20030000586 - Hirota, Hisatoshi ; et al. | 2003-01-02 |
| Compression volume control apparatus for refrigeration cycle Grant 6,443,708 - Hirota September 3, 2 | 2002-09-03 |
| Expansion valve App 20020060250 - Hirota, Hisatoshi ; et al. | 2002-05-23 |
| Drive circuit of brushless motor App 20020021104 - Nakatukasa, Hirotaka | 2002-02-21 |
| Supercooling degree control type expansion valve App 20020005436 - Hirota, Hisatoshi ; et al. | 2002-01-17 |
| Method of forming vacuum chamber of control valve for variable capacity compressor App 20010050304 - Hirota, Hisatoshi ; et al. | 2001-12-13 |
| Supercooling degree-controlled expansion valve Grant 6,314,753 - Hirota , et al. November 13, 2 | 2001-11-13 |
| Expansion valve App 20010027656 - Hirota, Hisatoshi ; et al. | 2001-10-11 |
| Radiator for a vehicle Grant 6,270,015 - Hirota August 7, 2 | 2001-08-07 |
| Refrigerating cycle Grant 6,192,695 - Hirota February 27, 2 | 2001-02-27 |
| Air conditioner with sub-condenser Grant 5,996,369 - Hirota December 7, 1 | 1999-12-07 |
| Thermostatic expansion valve for vehicle air conditioning systems Grant D415,564 - Sendo , et al. October 19, 1 | 1999-10-19 |
| Expansion valve Grant 5,127,237 - Sendo , et al. July 7, 1 | 1992-07-07 |
| Pressure converter Grant 4,602,513 - Hirota , et al. July 29, 1 | 1986-07-29 |
| Three-function pressure switch Grant 4,591,677 - Hirota , et al. May 27, 1 | 1986-05-27 |
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