Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7624586 | Freezing device | Jiro Yuzawa, Susumu Kobayashi, Minoru Suto | 2009-12-01 |
| 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, Yonezo Ikumi | 2002-09-17 |
| 5265443 | Refrigerating unit | Jiro Yuzawa, Kazuo Takemasa, Katuhiko Inoue, Yutaka Ohmori | 1993-11-30 |
| 4788829 | Low-temperature refrigeration system | Kazuo Takemasa, Kenji Iwasa | 1988-12-06 |