Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830233 | Control apparatus of electromagnetic drive valve and control method of the same | Shoji Katsumata, Isao Matsumoto, Kazuhiko Shiratani, Keiji Yoeda, Makoto Ogiso +1 more | 2004-12-14 |
| 6759640 | Method of controlling current applied to electromagnetically driven valve and control system | Keiji Yoeda, Isao Matsumoto, Kazuhiko Shiratani, Shoji Katsumata, Makoto Ogiso +1 more | 2004-07-06 |