Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629408 | Exhaust emission control system for internal combustion engine | Akira Murakami, Mistuo Hashizume, Kotaro Miyashita, Yuichiro Tanabe, Akira Hashimoto | 2003-10-07 |
| 6484493 | Exhaust emission control device for internal combustion engine | — | 2002-11-26 |
| 6338243 | Exhaust emission control system for internal combustion engine | Nobuaki Takaoka | 2002-01-15 |
| 6305161 | Method of purifying exhaust gas of internal combustion engine and apparatus thereof | Hiroshi Oono, Osamu Kuroda, Hisao Yamashita, Hidehiro Iizuka, Yuichi Kitahara | 2001-10-23 |
| 6223525 | Air-fuel ratio controlling device for an internal combustion engine | — | 2001-05-01 |
| 6220019 | Exhaust gas purifying apparatus for an internal combustion engine | Kenji Sugiura | 2001-04-24 |
| 6128899 | Exhaust gas purification system for internal combustion engine | Hiroshi Oono, Masahiro Sakanushi, Nobuaki Takaoka | 2000-10-10 |
| 6009965 | Torque shock alleviating device in hybrid vehicle | Kazutomo Sawamura, Teruo Wakashiro, Hiroshi Ohno | 2000-01-04 |
| 5992144 | Air-fuel ratio control system for internal combustion engines | Hiroshi Ohno | 1999-11-30 |
| 5480093 | Combustion heater system for motor vehicles | Toru Tochizawa | 1996-01-02 |
| 5355862 | Evaporated fuel control system in internal combustion engine | Hiroaki Muramatsu, Shinichi Kitajima, Hiroshi Kitagawa, Teruo Wakashiro, Yoshihiko Kobayashi +1 more | 1994-10-18 |