Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651619 | Control system and control method for internal combustion engine | — | 2003-11-25 |
| 6640756 | Electromagnetic valve controller of an internal combustion engine | — | 2003-11-04 |
| 6546910 | Method and apparatus for controlling the cylinder torque of a combustion engine having electromagnetically driven valves | Masaaki Tanaka, Yasushi Ito, Shoji Katsumata, Keiji Yoeda, Hideyuki Nishida +1 more | 2003-04-15 |
| 6526745 | Internal combustion engine having a variable valve mechanism and control method therefor | — | 2003-03-04 |
| 6519933 | Internal combustion engine having variable valve control system and NOx catalyst | Shouji Katsumata, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida, Tomomi Yamada +3 more | 2003-02-18 |