Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893045 | Navigation apparatus with relationship between guide target intersections | Toshiki Kusama | 1999-04-06 |
| 5799264 | In-car navigation apparatus with voice guidance | Toshiki Kusama | 1998-08-25 |
| 5583494 | Traffic information display system | Masaharu Umezu, Hiroaki Ideno | 1996-12-10 |
| 5293513 | Switching system for automotive vehicle including a reflector positioned below a sight line of a driver | Masaharu Umezu, Hiroaki Ideno, Takeshi Inoue | 1994-03-08 |
| 4937570 | Route guidance display device | Fumio Matsukawa, Hirotsugu Arai | 1990-06-26 |