Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8037675 | Exhaust gas purification system for internal combustion engine and method for exhaust gas purification | Fuminori Honjo | 2011-10-18 |
| 7918084 | Exhaust gas purification apparatus and method for internal combustion engines | — | 2011-04-05 |