Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829891 | Exhaust emission control device and method of controlling exhaust emission | Zenichiro Kato, Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Rentaro Kuroki | 2004-12-14 |
| 6830233 | Control apparatus of electromagnetic drive valve and control method of the same | Shoji Katsumata, Isao Matsumoto, Tametoshi Mizuta, Keiji Yoeda, Makoto Ogiso +1 more | 2004-12-14 |
| 6776815 | Particulate filter | Zenichiro Kato, Hiromichi Yanagihara, Youichi Nagai, Satoru Itsuaki, Kohei Shimoda +1 more | 2004-08-17 |
| 6759640 | Method of controlling current applied to electromagnetically driven valve and control system | Keiji Yoeda, Isao Matsumoto, Shoji Katsumata, Tametoshi Mizuta, Makoto Ogiso +1 more | 2004-07-06 |
| 6729126 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Shouji Katsumata, Keiji Yoeda, Hideyuki Nishida, Tomomi Yamada +3 more | 2004-05-04 |
| 6729128 | Emission control apparatus and emission control method | Naohisa Oyama, Yoshitada Kodama | 2004-05-04 |