Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197395 | Route guidance learning device | — | 2007-03-27 |
| 7185021 | Navigation device for displaying dated map data | — | 2007-02-27 |
| 5908464 | Traffic information display device method of displaying traffic information and medium on which display control program for use in traffic information display device is recorded | Katsuro Hayami, Hidehiko Ohki | 1999-06-01 |