Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820092 | Map information providing system and map information searching method | Toshiaki Nakano | 2004-11-16 |
| 6532475 | Map information providing system and map information searching method | Toshiaki Nakano | 2003-03-11 |
| 6477526 | System for and method of providing map information | Toshiaki Nakano | 2002-11-05 |