Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354349 | Exhaust system for an internal combustion engine | Junji Otani | 1982-10-19 |
| 4354463 | Device for improving combustion efficiency of mixture in four cycle internal combustion engine | Junji Otani | 1982-10-19 |
| 4317438 | High power output engine | Shizuo Yagi, Junji Otani, Hiroshi Kogure | 1982-03-02 |