Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989563 | Auxiliary air amount control system for internal combustion engines at deceleration | Youichi Iwata | 1991-02-05 |
| 4703733 | Ignition timing control method for internal combustion engines | Hidekazu Kano, Akira Kato | 1987-11-03 |
| 4630589 | Exhaust gas recirculation method for internal combustion engines | Makoto Hashiguchi | 1986-12-23 |
| 4541400 | Air intake side secondary air supply system for an internal combustion engine | Hideo Kobayashi | 1985-09-17 |
| 4484441 | Exhaust gas purification apparatus | Hideo Kobayashi, Masahiko Asakura, Eiji Kishida | 1984-11-27 |