Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899024 | Engine exhaust purification device | Nobuhiko Masaki, Jin Kusaka, Hideaki Kato, Yasumasa Notake | 2014-12-02 |
| 8790219 | Exhaust emission purifying apparatus for engine | Masakazu Yano, Nobuhiko Masaki | 2014-07-29 |
| 8713922 | Engine exhaust purification device | Masakazu Yano, Nobuhiko Masaki | 2014-05-06 |
| 8578703 | Exhaust emission purifying apparatus for internal combustion engine | Nobuhiko Masaki, Hisashi Akagawa, Yuji Yajima | 2013-11-12 |
| 8490389 | Exhaust gas purification apparatus for engine | Masakazu Yano, Nobuhiko Masaki | 2013-07-23 |
| 8209958 | Engine exhaust emission purification apparatus | Hisashi Akagawa, Shuichi Nakamura, Hiroki Ueno, Ikuo Sakai | 2012-07-03 |
| 8161737 | Apparatus for and method of purifying exhaust gas | Isamu Kanaya, Takayuki Adachi, Nobuhiko Masaki, Jin Kusaka, Keishi Takada +2 more | 2012-04-24 |
| 8028516 | Exhaust emission purifying apparatus for engine | Kouji Masuda, Nobuhiko Masaki | 2011-10-04 |
| 8011176 | Exhaust emission purifying apparatus for internal combustion engine | Nobuhiko Masaki, Hisashi Akagawa, Yuji Yajima | 2011-09-06 |
| 7975470 | Apparatus for judging condition of injection of reducing agent incorporated in exhaust gas purification system | Nobuhiko Masaki, Masakazu Yano | 2011-07-12 |
| 7849674 | Exhaust emission purifying apparatus for engine | Kouji Masuda, Hisashi Akagawa, Shuichi Nakamura, Hiroki Ueno, Ikuo Sakai | 2010-12-14 |
| 7784273 | Exhaust emission purifying apparatus for engine | Isamu Kanaya, Koutarou Honda, Tomoko Amemiya, Nobuhiko Masaki, Shinya Obana +3 more | 2010-08-31 |
| 7752839 | Exhaust emission purifying apparatus | Nobuhiko Masaki, Masakazu Yano | 2010-07-13 |
| 7685810 | Engine control apparatus and engine operating method | Takehiro Esaka | 2010-03-30 |
| 7614213 | Engine exhaust emission purification apparatus | Hisashi Akagawa, Shuichi Nakamura, Hiroki Ueno, Ikuo Sakai | 2009-11-10 |
| 7597865 | Nitrogen oxide removal catalyst system and nitrogen oxide removal method | Takayuki Mori, Nobuya Iwami, Takayuki Kumagai, Isamu Kanaya, Hiroki Ueno | 2009-10-06 |
| 7584604 | Exhaust gas purification apparatus of engine | Nobuhiko Masaki, Hiroki Ueno | 2009-09-08 |
| 7571599 | Exhaust gas purification apparatus of engine | — | 2009-08-11 |
| 7500355 | Exhaust emission purifying apparatus for engine | Kouji Masuda, Nobuhiko Masaki | 2009-03-10 |
| 7500356 | Exhaust emission purifying apparatus for engine | Nobuhiko Masaki, Tatsuji Miyata | 2009-03-10 |