Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643584 | Map information processing apparatus and map information transmission center | Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani | 2003-11-04 |
| 6567742 | On-board navigation terminal and navigation controller | Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani | 2003-05-20 |
| 6549847 | Navigation apparatus | Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani | 2003-04-15 |