Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7725254 | Navigation device used for a route search | Akio Sumizawa, Yoshinori Endo, Shinichi Amaya | 2010-05-25 |
| 7257485 | Navigation system, and information acquisition method | Akio Sumizawa, Yoshinori Endo, Shinichi Amaya | 2007-08-14 |