Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770142 | Ignition timing control system for internal combustion engine | Tatsuo Hayashi | 1988-09-13 |
| 4702222 | Ignition system for multi-cylinder 4 cycle engine | Kazutoshi Koyama | 1987-10-27 |
| 4615318 | Ignition apparatus for internal combustion engine | Hiroshi Katada | 1986-10-07 |