Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5417061 | Device for detecting catalyst deterioration for an internal combustion engine | Hirofumi Ohuchi | 1995-05-23 |
| 5207093 | Failure diagnosis device for an EGR control system | — | 1993-05-04 |
| 5184595 | Disorder diagnosis device for fuel injection apparatus | Hirofumi Ohuchi | 1993-02-09 |