Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7863217 | Exhaust gas purifying catalyst and exhaust gas purifying method | Hiroshi Yamada, Seiji Miyoshi, Hideharu Iwakuni, Akihide Takami | 2011-01-04 |
| 7785545 | Exhaust gas catalytic conversion system | Seiji Miyoshi, Hideharu Iwakuni, Hiroshi Yamada, Masaaki Akamine, Akihide Takami | 2010-08-31 |
| 7691778 | Exhaust gas purification catalyst | Tomohiro Honda, Tomoaki Urai, Ryota Fujimoto, Seiji Miyoshi, Hiroshi Yamada +3 more | 2010-04-06 |
| 7608561 | Exhaust gas purifying catalyst | Seiji Miyoshi, Hiroshi Yamada, Akihide Takami, Hideharu Iwakuni | 2009-10-27 |