Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895120 | Ignition control system for an internal combustion engine | Shingeo Okumura, Kenichi Handa | 1990-01-23 |
| 4790279 | Ignition control system for an internal combustion engine | Shigeo Okumura, Kenichi Handa, Shinya Atsumi | 1988-12-13 |
| 4606315 | Ignition control system for an internal combustion engine | Shigeo Okumura, Kenichi Handa, Shinya Atsumi | 1986-08-19 |
| 4459951 | Overheat preventing system for internal combustion engines | Yutaka Nasuda | 1984-07-17 |
| 4403578 | Separate lubricating system for outboard engine | Tomio Iwai | 1983-09-13 |