Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895830 | Exhaust gas purification system for internal combustion engine and exhaust gas purification method therefor | Yasuhiko Otsubo, Tatsuhisa Yokoi, Shigehiro Matsuno | 2011-03-01 |