Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047063 | Exhaust purification device of internal combustion engine | Shinya Hirota, Takamitsu Asanuma, Kohei Yoshida, Hiromasa Nishioka, Hiroshi Otsuki | 2011-11-01 |
| 8033100 | Exhaust purification device of compression ignition type internal combustion engine | Kohei Yoshida | 2011-10-11 |
| 7966810 | Control device and exhaust purification method of internal combustion engine | Hiroshi Ito, Tetsuya Yamashita, Shinichi Takeshima | 2011-06-28 |
| 7891175 | Exhaust purification device of compression ignition type internal combustion engine | Kohei Yoshida | 2011-02-22 |