Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7349669 | Electronic toll collection system adapted to plural types of protocols employed by various on-vehicle units | — | 2008-03-25 |
| 7030776 | On-vehicle device including numerical information notification function | — | 2006-04-18 |
| 5541928 | Communication system which establishes communication sessions based on unit ID codes to avoid transmission conflicts | Nakaba Kobayashi, Michinaga Nagura | 1996-07-30 |