Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924672 | Heat exchanger for lowering temperature of exhaust gas from internal combustion engine | Kazuo Sekiya | 1990-05-15 |
| 4481773 | Turbo-supercharging system for internal combustion engines | Hiroshi Sugito | 1984-11-13 |
| 4471615 | Turbo and inertia supercharger | — | 1984-09-18 |