Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597117 | Expansion valve with noise suppression | Kazuhiko Watanabe, Kota Shinohara | 1997-01-28 |
| 5297728 | Thermal expansion valve | Masamichi Yano, Kazuhiko Watanabe | 1994-03-29 |
| 5228619 | Thermal expansion valve | Masamichi Yano, Kazuhiko Watanabe, Takashi Okayama | 1993-07-20 |