Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321136 | Fuel filtering device for engine | — | 1982-03-23 |
| 4297978 | Idling rotational speed control system for a diesel engine | — | 1981-11-03 |
| 4276161 | Fuel filter provided with a water level detecting means | Yukio Kashiwaba, Yoshioki Kishimoto | 1981-06-30 |