Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319930 | Exhaust gas purifying device for an internal combustion engine | Motohiro Shinzawa, Shunichi Aoyama, Yoshiki Sekiya | 1994-06-14 |
| 5287698 | Exhaust gas purifying device for an internal combustion engine | Motohiro Shinzawa, Shunichi Aoyama, Yoshiki Sekiya | 1994-02-22 |
| 5195316 | Exhaust gas purifying device for an internal combustion engine | Motohiro Shinzawa, Shunichi Aoyama, Yoshiki Sekiya | 1993-03-23 |
| 5195318 | Exhaust gas purifying device for an internal combustion engine | Motohiro Shinzawa, Shunichi Aoyama, Yoshiki Sekiya | 1993-03-23 |
| 5067320 | Exhaust particle removing system for internal combustion engine | — | 1991-11-26 |
| 4887427 | Exhaust particle removing system for an engine | Motohiro Shinzawa | 1989-12-19 |
| 4881369 | Exhaust gas purifying apparatus | — | 1989-11-21 |
| 4557230 | Swirl chamber for internal combustion engine | Yukihiro Etoh, Toshiaki Tanaka, Hiroaki Miyazaki | 1985-12-10 |
| 4530324 | Fuel injection pump for an internal combustion engine | Toshiaki Tanaka, Hiroaki Miyazaki, Yukihiro Etoh, Akihiro Iijima | 1985-07-23 |
| 4501140 | Fuel injection rate deducing system for a diesel engine | Toyoaki Nakagawa, Masao Nakajima, Yoshihisa Kawamura | 1985-02-26 |