Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850870 | Failure diagnosis device for O2 sensor | — | 2005-02-01 |
| 6684868 | Fuel injection control apparatus of internal combustion engine | — | 2004-02-03 |
| 6484692 | Ignition control system | Hideki Umemoto, Tatsuji Irie, Wataru Fukui | 2002-11-26 |