Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351528 | Apparatus and method for detecting misfiring in an internal combustion engine | Wataru Fukui | 1994-10-04 |
| 5343844 | Apparatus and method for detecting misfiring in an internal combustion engine | Wataru Fukui, Toshio Ohsawa | 1994-09-06 |
| 5309757 | Cylinder identifying apparatus for a multi-cylinder internal combustion engine | Atsuko Hashimoto | 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 Ohsawa, Takanobu Yonetsu | 1994-03-08 |
| 5287837 | Knock suppressing apparatus for internal combustion engine | Atsuko Hashimoto | 1994-02-22 |