Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206294 | Expansion valve | Kazuhiko Watanabe, Masamichi Yano | 2001-03-27 |
| 6189800 | Expansion valve | Kazuhiko Watanabe, Masamichi Yano | 2001-02-20 |
| 6056202 | Expansion valve | Kazuhiko Watanabe, Masamichi Yano | 2000-05-02 |
| 6012301 | Thermal expansion valve | Kazuhiko Watanabe, Masamichi Yano | 2000-01-11 |
| 5957376 | Expansion valve | Kazuhiko Watanabe, Masamichi Yano | 1999-09-28 |
| 5897099 | Expansion valve and refrigerating system | Kazuhiko Watanabe | 1999-04-27 |