Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807479 | Communication navigation system, information server unit and communication terminal unit for the same, and method and program for communication navigation | Tomo Watanabe, Tsuyoshi Sato | 2004-10-19 |
| 6804590 | Electronic apparatus and data recording method in electronic apparatus | Tsuyoshi Sato, Tomo Watanabe | 2004-10-12 |
| 6785607 | Navigation system, and information server apparatus and communication terminal apparatus for the same, and method and program for changing a movable body in the same | Tomo Watanabe, Tsuyoshi Sato, Yukitaka Saito | 2004-08-31 |
| 6748321 | Navigation system equipped with portable sub-navigation unit | Tomoo Watanabe, Tsuyoshi Sato, Yukitaka Saito | 2004-06-08 |