Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4658642 | Method and apparatus for detecting the ignition timing for a diesel engine | — | 1987-04-21 |
| 4648266 | Ignition timing sensor system for a swirl chamber type Diesel engine | — | 1987-03-10 |
| 4638784 | Method of and apparatus for controlling vacuum modulating valve for exhaust gas recirculation control | — | 1987-01-27 |
| 4633842 | Method and apparatus for controlling the fuel injection amount and timing for a diesel engine | Shinichi Matsumoto | 1987-01-06 |
| 4572119 | Ignition timing sensor for diesel engine | — | 1986-02-25 |
| 4562821 | System for controlling the amount of recirculated exhaust gas for a diesel engine | — | 1986-01-07 |
| 4556035 | Method and apparatus for detecting the ignition time point of an engine | Keiji Aoki | 1985-12-03 |
| 4401079 | Electronically controlled fuel injection method and apparatus | Keiji Aoki | 1983-08-30 |