Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079213 | Exhaust gas purification system for internal combustion engine | Kenichi Tsujimoto, Tomihisa Oda, Kuniaki Nimi | 2011-12-20 |
| 8028514 | Exhaust gas purification system for internal combustion engine and method for regenerating purification ability of exhaust gas purification device | Kuniaki Niimi, Kenichi Tsujimoto, Tomihisa Oda, Shinya Hirota | 2011-10-04 |
| 7963102 | Exhaust purification system for internal combustion engine | Kuniaki Niimi, Tomihisa Oda | 2011-06-21 |