Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6901750 | Exhaust emission control apparatus and method for internal combustion engine | Shunsuke Toshioka, Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Takamitsu Asanuma +4 more | 2005-06-07 |
| 6898930 | Exhaust gas purification device | Shinya Hirota, Shunsuke Toshioka, Kazuhiro Itoh, Takamitsu Asanuma, Koichi Kimura +1 more | 2005-05-31 |
| 6883310 | Internal combustion engine emission control apparatus and method | Toshiaki Tanaka, Shinya Hirota, Takamitsu Asanuma, Koichi Kimura, Shunsuke Toshioka +1 more | 2005-04-26 |
| 6877312 | Exhaust emission control system of internal combustion engine | Shinya Hirota, Shunsuke Toshioka | 2005-04-12 |
| 6874316 | Device for purifying the exhaust gas of an internal combustion engine | — | 2005-04-05 |
| 6874315 | Exhaust gas purification device | Shinya Hirota, Kazuhiro Itoh, Takamitsu Asanuma, Koichi Kimura, Kiyoshi Nakanishi +1 more | 2005-04-05 |
| 6837043 | Device for purifying the exhaust gas of an internal combustion engine | Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Takamitsu Asanuma, Koichi Kimura +3 more | 2005-01-04 |