Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |