Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449962 | REFRIGERANT COLLECTING DEVICE, REFRIGERANT COLLECTING METHOD, REFRIGERATOR HAVING REFRIGERANT COLLECTING DEVICE, CONTROL METHOD FOR REFRIGERANT IN REFRIGERANT CIRCUIT OR REGENERATION DEVICE AND REGENERATION METHOD FOR REFRIGERANT COLLECTING | Kazuo Takemasa, Takayuki Shimizu, Jiro Yuzawa, Katsuhiko Inoue, Fukuji Yoshida | 2002-09-17 |
| 5699675 | Heat exchanger and cooling apparatus mounted with the same | Toshitake Nagai, Takahide Kakinuma, Norio Sawada, Koji Sato, Masato Watanabe | 1997-12-23 |
| 5634352 | Refrigeration cycle using six-way change-over valve | Toshitake Nagai, Takahide Kakinuma, Norio Sawada, Koji Sato | 1997-06-03 |
| 4307577 | Air conditioning system making use of waste heat | Hideyuki Watanabe, Tadao Shimada, Atsuo Fukino, Hiroyoshi Kusakabe | 1981-12-29 |