Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487493 | Navigation device having a platform-dependent part and a user-interface-dependent part for supplying navigation services | Akio Uekawa, Yoshihiko Utsui, Akira Sugimoto, Koji Hashimoto, Hiroaki Ideno | 2002-11-26 |
| 6473693 | Navigation device for displaying an approaching intersection | — | 2002-10-29 |
| 6356840 | Navigation device with a three dimensional display | — | 2002-03-12 |
| 6259989 | Navigation device | — | 2001-07-10 |
| 5893045 | Navigation apparatus with relationship between guide target intersections | Yoshisada Mizutani | 1999-04-06 |
| 5799264 | In-car navigation apparatus with voice guidance | Yoshisada Mizutani | 1998-08-25 |