Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5005370 | Thermal expansion valve | Hazime Tanaka, Teiichi Okamoto, Kazuhiko Watanabe | 1991-04-09 |
| D289430 | Motor driven expansion valve | — | 1987-04-21 |
| 4612795 | Method of forming a groove in a valve seat and the tool used in this method | — | 1986-09-23 |
| 4556193 | Motor-driven expansion valve | — | 1985-12-03 |
| 4484725 | Bimetal driven control valve | — | 1984-11-27 |