Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576132 | Engine starting air fuel ratio control system | Masataka Nakajima, Yoshiharu Tamura | 1986-03-18 |
| 4572135 | Air-to-fuel ratio control system for an engine | Masataka Nakajima, Yoshiharu Tamura | 1986-02-25 |
| 4497296 | Electronic control system for carburetor and control method therefor | Masataka Nakajima | 1985-02-05 |
| 4359034 | Exhaust gas recirculation control system | Toshikazu Okamura | 1982-11-16 |
| 4267809 | Exhaust gas recirculation control system | Toshikazu Okamura | 1981-05-19 |