Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830042 | System for calculating air-fuel ratio of each cylinder of multicylinder internal combustion engine | — | 2004-12-14 |
| 6751950 | Emission control apparatus for engine | Hisashi Iida | 2004-06-22 |