Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699398 | Counting apparatus | — | 1997-12-16 |
| 5675072 | Combustion condition detector for internal combustion engine | Wataru Fukui, Yasuhiro Takahashi | 1997-10-07 |
| 5652520 | Internal combustion engine misfire circuit using ion current sensing | Atsunobu Kawamoto | 1997-07-29 |