Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314585 | Proportional type electromagnetic valve | Torazo Nishimiya, Masamitsu Okumura | 1982-02-09 |
| 4231340 | Exhaust gas recirculation control system for internal combustion engine | Torazo Nishimiya, Masamitsu Okumura, Tomo Ito | 1980-11-04 |