Issued Patents All Time
Showing 151–161 of 161 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584979 | Air-fuel ratio control system for an internal combustion engine with a three way catalytic converter | Yoshinori Sato | 1986-04-29 |
| 4569318 | Secondary intake air supply system for internal combustion engines | Norio Tomobe | 1986-02-11 |
| 4495922 | Air/fuel ratio control system for an internal combustion engine | Shunzaburo Ozaki | 1985-01-29 |
| 4438627 | Exhaust gas purification apparatus in internal combustion engine | Osamu Gotoh | 1984-03-27 |
| 4436710 | Method of manufacturing potassium sulfate | Naomi Miyazaki | 1984-03-13 |
| 4429676 | Exhaust gas recirculation control system for vehicle engines | Osamu Gotoh, Yutaka Otobe, Michio Kawamoto | 1984-02-07 |
| 4391246 | Throttle opener device for vehicle engines | Etsuo Kawabata, Masahiko Ogura, Akinobu Takagi | 1983-07-05 |
| 4388994 | Flat-article sorting apparatus | Kazuyoshi Suda, Kiyoshi Tsuda | 1983-06-21 |
| 4349006 | Suction mixture control system for vehicle engines | Osamu Gotoh, Yutaka Otobe, Michio Kawamoto | 1982-09-14 |
| 4349005 | Suction mixture control system for vehicle engines | Osamu Gotoh, Yutaka Otobe, Michio Kawamoto | 1982-09-14 |
| 4336784 | Exhaust gas recirculation control system for engines | Osamu Gotoh, Yutaka Otobe, Michio Kawamoto | 1982-06-29 |