Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679891 | Failure diagnostic apparatus for swirl control apparatus | Hiroshi Abe | 1997-10-21 |
| 5644073 | Diagnostic system for variable valve timing control system | Katsuhiko Kawamura | 1997-07-01 |