Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658346 | Misfire detection apparatus for internal combustion engine | — | 2003-12-02 |
| 6644274 | Apparatus for detecting a condition of burning in an internal combustion engine | Jun Hasegawa, Yoshihiro Majima | 2003-11-11 |