Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369590 | Inter-vehicle distance detecting device | — | 1994-11-29 |
| 5253050 | Distance measuring device for measuring the distance between vehicles | — | 1993-10-12 |
| 5237406 | Inter-car distance detecting device | Tatsuji Irie | 1993-08-17 |