Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715348 | Self-diagnosis system for exhaust gas recirculation system of internal combustion engine | Kiyotaka Kobayashi, Takaaki Baba | 1987-12-29 |
| 4399781 | Engine preheating control system having automatic control of glow plug current | — | 1983-08-23 |