Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8290688 | Exhaust gas oxygen sensor diagnostic method and apparatus | — | 2012-10-16 |
| 7387011 | Deterioration diagnosis system for exhaust gas sensor | Kenichi Fujiki, Yoshinori Maegawa, Jonathan Saunders | 2008-06-17 |