Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8181446 | Exhaust emission purification apparatus for engine | Koutarou Honda, Yuuji Naitou, Daisuke Shirai, Hitoshi Hiramoto, Naobumi Yamada | 2012-05-22 |
| 8161737 | Apparatus for and method of purifying exhaust gas | Takayuki Adachi, Nobuhiko Masaki, Kiminobu Hirata, Jin Kusaka, Keishi Takada +2 more | 2012-04-24 |
| 7784273 | Exhaust emission purifying apparatus for engine | Koutarou Honda, Tomoko Amemiya, Kiminobu Hirata, Nobuhiko Masaki, Shinya Obana +3 more | 2010-08-31 |
| 7597865 | Nitrogen oxide removal catalyst system and nitrogen oxide removal method | Takayuki Mori, Nobuya Iwami, Takayuki Kumagai, Hiroki Ueno, Kiminobu Hirata | 2009-10-06 |
| 7562521 | SCR muffler | Daisuke Shirai, Naobumi Yamada, Hitoshi Hiramoto, Hiroki Ueno | 2009-07-21 |
| 7430855 | Muffling apparatus having exhaust emission purifying function | Tomoko Amemiya, Takefumi Mochizuki, Daisuke Shirai, Hitoshi Hiramoto | 2008-10-07 |