Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648602 | Internal combustion engine misfire detection apparatus | Satoru Watanabe | 1997-07-15 |
| 5604303 | Combustion condition detecting system of internal combustion engine | Naoki Tomisawa | 1997-02-18 |