Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480597 | Two-stroke cycle gasoline engine | Yukiyasu Tanaka, Isao Igarashi | 1984-11-06 |
| 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 |
| 4287862 | Otto-cycle internal combustion engine | Taro Tanaka, Yoji Kato | 1981-09-08 |
| 4287859 | Two-stroke cycle gasoline engine | Yukiyasu Tanaka, Isao Igarashi | 1981-09-08 |
| 4258669 | Two-stroke cycle gasoline engine | Yukiyasu Tanaka, Isao Igarashi | 1981-03-31 |
| 4257365 | Two-stroke cycle diesel engine | Yukiyasu Tanaka, Isao Igarashi | 1981-03-24 |
| 4254745 | Two-stroke cycle gasoline engine | Yukiyasu Tanaka, Isao Igarashi | 1981-03-10 |
| 4248183 | Two-stroke cycle diesel engine | Yukiyasu Tanaka, Isao Igarashi | 1981-02-03 |
| 4244341 | Fuel injection system for an internal combustion engine | Yukiyasu Tanaka, Taro Tanaka | 1981-01-13 |
| 4237831 | Two-cycle engine | Taro Tanaka, Norikatsu Uejima, Yukiyasu Tanaka, by Koichiro Tanaka, successor, by Mihoko Miyazaki, successor | 1980-12-09 |
| 4237030 | Catalyst for purifying exhaust gas from an internal combustion engine | Tsuchio Bunda, Noboru Yamamoto, Shigeo Soejima | 1980-12-02 |
| 4230072 | Internal combustion engine with a methanol reforming system | Masaharu Sumiyoshi, Tsuchio Bunda, Taro Tanaka | 1980-10-28 |
| 4216747 | Uniflow, double-opposed piston type two-cycle internal combustion engine | Yukiyasu Tanaka, Taro Tanaka, Norikatsu Uejima | 1980-08-12 |
| 4200552 | Catalyst carrier, catalyst and their manufacturing process | Tsuchio Bunda, Noboru Yamamoto, Shigeo Soejima | 1980-04-29 |
| 4185596 | Two-stroke cycle gasoline engine | Yukiyasu Tanaka, Isao Igarashi | 1980-01-29 |