Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803765 | Misfire detection system for internal combustion engines | Kenichi Ishida, Toshihiro Okama, Kazuyuki Kubo, Tomoyuki Kimura | 2004-10-12 |
| 6691555 | Firing state discrimination system for internal combustion engines | Toshihiro Ohkama, Kenichi Ishida | 2004-02-17 |