Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8347606 | Exhaust gas after treatment system and method for operating an exhaust gas after treatment system for internal combustion engine | Hiroshi Yamada, Hiroaki Ishida | 2013-01-08 |
| 8117833 | Method and system using a reduction catalyst to reduce nitrate oxide | Hiromu Sugano, Masaru Yamamoto, Shoichi Toyokawa, Masashi Naono, Kouta Matsue +3 more | 2012-02-21 |