Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679890 | Fault diagnostic apparatus for evaporated fuel purging system | Katsuhiko Teraoka | 1997-10-21 |
| 5669362 | Diagnostic device for an evaporative emission control system | Shinsuke Kiyomiya | 1997-09-23 |
| 5590634 | Evaporative emission control system for an internal combustion engine | — | 1997-01-07 |