Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978653 | Abnormality detection system of oxygen sensor and abnormality detection method thereof | — | 2005-12-27 |
| 6957563 | Abnormality detection device for air-fuel ratio sensor | — | 2005-10-25 |
| 6844734 | Current detection circuit for A/F sensor | Teruhisa Fukuda, Hiroshi Moriguchi, Shinji Ikeda | 2005-01-18 |