Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061125 | Exhaust gas purification system and method for internal combustion engine | Kohei Yoshida, Takamitsu Asanuma | 2011-11-22 |
| 8047063 | Exhaust purification device of internal combustion engine | Shinya Hirota, Takamitsu Asanuma, Kohei Yoshida, Kotaro Hayashi, Hiroshi Otsuki | 2011-11-01 |