Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6389358 | Vehicle-mounted navigation device | — | 2002-05-14 |
| 6219614 | Navigation system providing simplified navigation instructions using graphics and voice guidance to preferred routes and using landmarks | Teruki Akamatsu | 2001-04-17 |
| 6138073 | Method of navigating using position-information-codes which include information regarding the latitude and longitude of a desired location | — | 2000-10-24 |