Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739177 | Combustible-gas sensor, diagnostic device for intake-oxygen concentration sensor, and air-fuel ratio control device for internal combustion engines | Fumihiko Sato, Takuji Matsubara, Mamoru Yoshioka, Yoshihiko Hyoudo, Takayuki Takeuchi +1 more | 2004-05-25 |
| 6729128 | Emission control apparatus and emission control method | Kazuhiko Shiratani, Yoshitada Kodama | 2004-05-04 |
| 6725651 | Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent | Kazuhiro Itoh, Toshiaki Tanaka, Shinya Hirota, Koichiro Nakatani, Shigeki Daido | 2004-04-27 |