Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913486 | Exhaust emission control device | Masatoshi Shimoda | 2011-03-29 |
| 7765800 | Exhaust gas purification apparatus | Ichiro Tsumagari, Takatoshi Furukawa, Koichi Machida, Shinya Sato | 2010-08-03 |
| 7497889 | Exhaust emission control device | Takatoshi Furukawa, Koichi Machida | 2009-03-03 |