Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044170 | Refrigeration system and a thermostatic expansion valve best suited for the same | — | 1991-09-03 |
| 5044551 | Thermo bulb for use with the thermostatic expansion valve | Kazuhiko Watanabe | 1991-09-03 |
| 5005370 | Thermal expansion valve | Teiichi Okamoto, Kenji Yoshiga, Kazuhiko Watanabe | 1991-04-09 |
| 4979372 | Refrigeration system and a thermostatic expansion valve best suited for the same | — | 1990-12-25 |
| 4959973 | Thermostatic expansion valve | Ernest W. Schumacher | 1990-10-02 |
| 4939321 | Pressure switch with laminated diaphragm | Keiji Sasaki, Hirayoshi Suzuki | 1990-07-03 |
| 4853504 | Triple action pressure switch apparatus | Hirayoshi Suzuki, Keiji Sasaki | 1989-08-01 |
| 4835980 | Method for controlling refrigerating system | Reinosuke Oyanagi | 1989-06-06 |
| 4827094 | Dual-action pressure switch apparatus | Keiji Sasaki, Hirayosho Suzuki | 1989-05-02 |