Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646569 | Navigation apparatus using radio communication device | — | 2003-11-11 |
| 6519453 | Communication apparatus | Takatoshi Hirose | 2003-02-11 |
| 6519476 | Radio communication system wherein insertion of an attachable external storage medium causes the mobile to interact with the system | — | 2003-02-11 |