Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923115 | Mixing valve apparatus | Kotohiko Sekoguchi, Mutsushi Muramoto, Takayuki Ohata | 1990-05-08 |
| 4471906 | Thermostatically controlled trap | Masahumi Minami, Mutsushi Muramoto | 1984-09-18 |