Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357916 | Two-stroke cycle gasoline engine | Yukiyasu Tanaka, Isao Igarashi | 1982-11-09 |
| 4317432 | Two-cycle internal combustion engine | Yukiyasu Tanaka, Taro Tanaka | 1982-03-02 |
| 4312305 | Two-stroke cycle gasoline engine | Yukiyasu Tanaka, Isao Igarashi | 1982-01-26 |