Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7194355 | Navigation system | — | 2007-03-20 |
| 6876921 | Car navigation system | — | 2005-04-05 |
| 6542815 | Route setting device and navigation device | Takashi Ishizaki | 2003-04-01 |
| 6418373 | Navigation system having travel path replacing function | Toshihiro Ito | 2002-07-09 |