Issued Patents All Time
Showing 25 most recent of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9285051 | Control valve driven by stepping motor | — | 2016-03-15 |
| 8956127 | Control valve for variable displacement compressor | — | 2015-02-17 |
| 7452192 | Control valve for variable displacement compressor | — | 2008-11-18 |
| 7437881 | Control valve for variable displacement compressor | — | 2008-10-21 |
| 7386987 | Refrigerant relief device | — | 2008-06-17 |
| 7387501 | Control valve for variable displacement compressor | — | 2008-06-17 |
| 7316118 | Expansion valve | Michio Matsumoto | 2008-01-08 |
| 7263857 | Constant flow rate expansion value | — | 2007-09-04 |
| 7207186 | Refrigeration cycle | — | 2007-04-24 |
| 7121811 | Capacity control valve for variable displacement compressor | — | 2006-10-17 |
| 7118088 | Fluid control valve | — | 2006-10-10 |
| 7047763 | Constant differential pressure valve | — | 2006-05-23 |
| 7040595 | Constant flow rate expansion valve | — | 2006-05-09 |
| 7036744 | Solenoid valve-equipped expansion valve | — | 2006-05-02 |
| 7021901 | Variable displacement compressor | Tomokazu Nakazawa | 2006-04-04 |
| 7018179 | Capacity control valve for variable displacement compressor | — | 2006-03-28 |
| 7014427 | Capacity controller of capacity variable compressor | — | 2006-03-21 |
| 6997001 | Method of operating a refrigeration cycle | — | 2006-02-14 |
| 6997000 | Refrigeration system and method of operation therefor | — | 2006-02-14 |
| 6986498 | Differential pressure valve | Tokumi Tsugawa, Yuusuke Inoue | 2006-01-17 |
| 6966365 | Outflow prevention device | Tokumi Tsugawa | 2005-11-22 |
| 6957663 | Solenoid control valve | Yuusuke Inoue, Toshiyuki Shiota, Tokumi Tsugawa | 2005-10-25 |
| 6889554 | Method of adjusting pressure sensor | Naoya Wanajo | 2005-05-10 |
| 6866242 | Proportional valve | — | 2005-03-15 |
| 6860294 | Four-way switching valve | Tokumi Tsugawa, Katsumi Koyama | 2005-03-01 |