Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8181446 | Exhaust emission purification apparatus for engine | Koutarou Honda, Yuuji Naitou, Isamu Kanaya, Daisuke Shirai, Naobumi Yamada | 2012-05-22 |
| 7784273 | Exhaust emission purifying apparatus for engine | Isamu Kanaya, Koutarou Honda, Tomoko Amemiya, Kiminobu Hirata, Nobuhiko Masaki +3 more | 2010-08-31 |
| 7562521 | SCR muffler | Daisuke Shirai, Naobumi Yamada, Isamu Kanaya, Hiroki Ueno | 2009-07-21 |
| 7430855 | Muffling apparatus having exhaust emission purifying function | Tomoko Amemiya, Takefumi Mochizuki, Isamu Kanaya, Daisuke Shirai | 2008-10-07 |