Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028518 | Sulfur purge control device for an internal combustion engine | Hisao Haga, Norio Suzuki, Katsuji Wada | 2011-10-04 |
| 7963101 | Exhaust gas purifying device for an internal combustion engine | Norio Suzuki, Tomoko Morita, Hisao Haga | 2011-06-21 |
| 7950225 | Exhaust control system for an internal combustion engine | Norio Suzuki | 2011-05-31 |
| 7900440 | Exhaust emission control device and method for internal combustion engine and engine control unit | Norio Suzuki | 2011-03-08 |