Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343844 | Apparatus and method for detecting misfiring in an internal combustion engine | Wataru Fukui, Toshio Iwata | 1994-09-06 |
| 5337716 | Control apparatus for internal combustion engine | Wataru Fukui | 1994-08-16 |
| 5309884 | Internal combustion engine control apparatus with ignition coil diagnosis function | Wataru Fukui | 1994-05-10 |
| 5293129 | Ionic current sensing apparatus for engine spark plug with negative ignition voltage and positive DC voltage application | Masayuki Ikeuchi, Shigemi Murata, Toshio Iwata, Takanobu Yonetsu | 1994-03-08 |