Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8239355 | Map data update method and map data update system | Minoru Sekine, Masaaki Ohira, Hirofumi Otsuka, Hitoshi Konishi, Masayuki Arai +1 more | 2012-08-07 |
| 7590483 | Traffic information management system | Masakuni Tsuge | 2009-09-15 |
| 6757609 | Vehicle navigation server for obtaining traffic information for mesh unit on travel route | Masakuni Tsuge, Hiroyuki Tsuda, Kouichi Washimi | 2004-06-29 |
| 6408243 | Service delivery system | — | 2002-06-18 |