Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6097316 | Communication protocol for a vehicle navigation system | Hiroshi Nonaka | 2000-08-01 |
| 6058390 | Vehicle navigation assistance device having fast file access capability | Toshikazu Sakakibara | 2000-05-02 |
| 5712788 | Incremental route calculation | Simon Desai, Haruhisa Tamai | 1998-01-27 |