Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538674 | Geographic information display control system | Norimasa Shibata, Keiro Muro | 2003-03-25 |
| 6505186 | Method of managing feature data | Keiro Muro, Kazuaki Iwamura, Kazuo Tsutsui | 2003-01-07 |