Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7111594 | Method of operating internal combustion engine including electromagnetically driven intake valves | Tametoshi Mizuta, Isao Matsumoto, Shoji Katsumata, Keiji Yoeda, Makoto Ogiso +1 more | 2006-09-26 |
| 7028652 | Device for controlling an internal combustion engine with a variable valve timing system | Yoshihiro Iwashita, Shigeo Kikori, Shouji Katsumata, Keiji Yoeda, Makoto Ogiso +2 more | 2006-04-18 |
| 7007920 | Method of controlling energization of electro-magnetically driven valve with variable feedback gain | Hideyuki Nishida, Isao Matsumoto, Shoji Katsumata, Tametoshi Mizuta, Keiji Yoeda +1 more | 2006-03-07 |
| 6945036 | Exhaust emission control filter and method of controlling exhaust emission | Zenichiro Kato, Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Rentaro Kuroki | 2005-09-20 |
| 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 |
| 6829891 | Exhaust emission control device and method of controlling exhaust emission | Zenichiro Kato, Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Rentaro Kuroki | 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 |
| 6729128 | Emission control apparatus and emission control method | Naohisa Oyama, Yoshitada Kodama | 2004-05-04 |
| 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 |
| 6519933 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Shouji Katsumata, Keiji Yoeda, Hideyuki Nishida, Tomomi Yamada +3 more | 2003-02-18 |
| 6446588 | Internal combustion engine having electromagnetic valve driving mechanism and method of controlling electromagnetic valve driving mechanism | Tomomi Yamada, Isao Matsumoto, Shouji Katsumata, Keiji Yoeda, Hideyuki Nishida | 2002-09-10 |
| 6405693 | Internal combustion engine and method for controlling valve of internal combustion engine | Keiji Yoeda, Kiyoshi Nakanishi, Yoshihiro Iwashita, Shouji Katsumata, Makoto Ogiso +4 more | 2002-06-18 |
| 5232973 | High-temperature gasket | Keiichi Sakashita, Keiji Yamada, Takehisa Yaegashi | 1993-08-03 |