Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471906 | Thermostatically controlled trap | Keiichi Noguchi, Mutsushi Muramoto | 1984-09-18 |
| 4441652 | Exchangeable unit steam trap | — | 1984-04-10 |
| 4320871 | Bimetallic column | Masatomo Kuroda | 1982-03-23 |