Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832598 | Anti-knocking device an method | Yoshiyuki Nagatsu | 2004-12-21 |
| 6742502 | Engine control method and apparatus | Yoshiyuki Nagatsu | 2004-06-01 |
| 6683391 | Method of preventing car thefts | Masahiko Enoyoshi, Masayuki Yamamoto | 2004-01-27 |