Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079213 | Exhaust gas purification system for internal combustion engine | Kenichi Tsujimoto, Takanori Ueda, Kuniaki Nimi | 2011-12-20 |
| 8051828 | Multiple fuel system for internal combustion engines | Bhaskar Sengupta, Krishnan Kumaran, Walter Weissman, Randall D. Partridge, Kouseki Sugiyama +2 more | 2011-11-08 |
| 8028514 | Exhaust gas purification system for internal combustion engine and method for regenerating purification ability of exhaust gas purification device | Kuniaki Niimi, Kenichi Tsujimoto, Shinya Hirota, Takanori Ueda | 2011-10-04 |
| 7963102 | Exhaust purification system for internal combustion engine | Kuniaki Niimi, Takanori Ueda | 2011-06-21 |
| 7908844 | Exhaust purification device of internal combustion engine | Shinji Kamoshita, Shigeru Itabashi, Kuniaki Niimi, Shinya Hirota | 2011-03-22 |