Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079213 | Exhaust gas purification system for internal combustion engine | Tomihisa Oda, Takanori Ueda, Kuniaki Nimi | 2011-12-20 |
| 8051647 | Exhaust purification device of internal combustion engine | Shinya Hirota | 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, Tomihisa Oda, Shinya Hirota, Takanori Ueda | 2011-10-04 |