Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954694 | Communication navigation system and server apparatus and terminal apparatus therefor, communication navigation method and communication navigation program | — | 2005-10-11 |
| 6892132 | Communication navigation system, communication navigation method, map data transmitting device, and terminal unit | — | 2005-05-10 |
| 6842693 | Communication navigation system, communication navigation method, route guidance information transmitting device, and terminal unit | — | 2005-01-11 |
| 6778901 | Communication navigation system, communication navigation method, terminal unit, and route guidance information transmitting apparatus | Hiroshi Miyahara | 2004-08-17 |