Issued Patents All Time
Showing 101–113 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300499 | Combustion chamber of an internal combustion engine | Kiyoshi Nakanishi, Takeshi Okumura, Ryuichi Deguchi | 1981-11-17 |
| 4300500 | Intake system of a multi-cylinder internal combustion engine | Katsuhiko Motosugi, Hiroshi Takahashi, Shuhei Toyoda | 1981-11-17 |
| 4296720 | Combustion chamber of an internal combustion engine | Kiyoshi Nakanishi, Takeshi Okumura, Ryuichi Deguchi | 1981-10-27 |
| 4289094 | Two-stroke cycle gasoline engine | — | 1981-09-15 |
| 4271803 | Internal combustion engine | Kiyoshi Nakanishi, Takeshi Okumura, Ryuichi Deguchi | 1981-06-09 |
| 4254750 | Internal combustion engine with an auxiliary combustion chamber | Yoshiharu Sakai | 1981-03-10 |
| 4250708 | Exhaust double pipe of an internal combustion engine | Yasuo Fujioka | 1981-02-17 |
| 4240387 | Intake system of a multi-cylinder internal combustion engine | Katsuhiko Motosugi, Shuhei Toyoda, Hiroshi Takahashi | 1980-12-23 |
| 4237845 | Internal combustion engine with an auxiliary combustion chamber | Takashi Kato | 1980-12-09 |
| 4194472 | Exhaust gas recirculation system of a multi-cylinder internal combustion engine | Masuo Amano | 1980-03-25 |
| 4192265 | Combustion promoting device of a multi-cylinder engine | Masuo Amano | 1980-03-11 |
| 4185463 | Exhaust double pipe of an internal combustion engine | Yasuo Fujioka | 1980-01-29 |
| 4183343 | Internal combustion engine and a method of operating an internal combustion engine | Yoshiharu Sakai | 1980-01-15 |