Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028532 | Fuel property determination system | — | 2006-04-18 |
| 6941929 | Combustion control system for internal combustion engine | — | 2005-09-13 |
| 6370870 | Exhaust gas purifying device | Motohisa Kamijo, Maki Kamikubo, Hiroshi Akama, Jyunji Itou, Yasuhisa Kitahara | 2002-04-16 |
| 5855854 | Oxidation catalyst for diesel engine | Yasuyuki Murofushi | 1999-01-05 |
| 5319930 | Exhaust gas purifying device for an internal combustion engine | Shunichi Aoyama, Yoshiki Sekiya, Nobukazu Kanesaki | 1994-06-14 |
| 5287698 | Exhaust gas purifying device for an internal combustion engine | Shunichi Aoyama, Yoshiki Sekiya, Nobukazu Kanesaki | 1994-02-22 |
| 5195318 | Exhaust gas purifying device for an internal combustion engine | Shunichi Aoyama, Yoshiki Sekiya, Nobukazu Kanesaki | 1993-03-23 |
| 5195316 | Exhaust gas purifying device for an internal combustion engine | Shunichi Aoyama, Yoshiki Sekiya, Nobukazu Kanesaki | 1993-03-23 |
| 5174259 | Fuel injection control system for turbocharged diesel engine | — | 1992-12-29 |
| 5067457 | Swirl chamber type diesel engine | — | 1991-11-26 |
| 5024194 | Flame dispersion arrangement for swirl chamber type diesel engine piston crown | Yoshiki Sekiya | 1991-06-18 |
| 4887427 | Exhaust particle removing system for an engine | Nobukazu Kanesaki | 1989-12-19 |
| 4881501 | Diesel engine having shaped flame dispersing recess in piston crown | Yoshiki Sekiya | 1989-11-21 |
| 4785776 | Diesel engine having shaped flame dispersing recess in piston crown | Naomi Tokura, Toshiaki Tanaka | 1988-11-22 |
| 4756155 | Exhaust particle removing system for an internal combustion engine | — | 1988-07-12 |
| 4662172 | Exhaust purification apparatus | Shoji Ushimura | 1987-05-05 |
| 4630438 | Exhaust particle removing system for an engine | — | 1986-12-23 |
| 4610138 | Exhaust particle removing system for an internal combustion engine | Yasuo Nakajima | 1986-09-09 |
| 4608640 | Trap regenerative device control apparatus | Yoji Hasegawa | 1986-08-26 |
| 4603550 | Exhaust particle removing system for an internal combustion engine | — | 1986-08-05 |
| 4567725 | Trap regenerative device control apparatus | Yoji Hasegawa | 1986-02-04 |
| 4538413 | Particle removing system for an internal combustion engine | Motomi Arai, Shomatsu Roppongi, Kichihiko Dozono, Yoji Hasegawa | 1985-09-03 |
| 4522027 | Exhaust particle removal system for an internal combustion engine | Yoji Hasegawa | 1985-06-11 |
| 4522028 | Regenerative burner control apparatus | Yoji Hasegawa | 1985-06-11 |
| 4313415 | Exhaust gas recirculation system in compression-ignition internal combustion engine | — | 1982-02-02 |