Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8263031 | Method for purifying exhaust gas and system therefor | Hiroaki Gotan, Yoshiaki Tomita, Tamiharu Nakamura, Hiroaki Ishida | 2012-09-11 |
| 8117833 | Method and system using a reduction catalyst to reduce nitrate oxide | Masatsugu Sakimoto, Hiromu Sugano, Masaru Yamamoto, Shoichi Toyokawa, Kouta Matsue +3 more | 2012-02-21 |