Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7954364 | Malfunction diagnosis apparatus for exhaust gas sensor and method for diagnosis | — | 2011-06-07 |
| 7146851 | Diagnostic apparatus for variable valve control system | Keiji Wakahara | 2006-12-12 |