Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7890250 | Navigation system and controlling method for the motor vehicle | Dong-Won Na, Jun-Woo Lee | 2011-02-15 |
| 7623959 | Method and system for providing voice-based supplementary information service using road map data | Joon-Woo LEE, Jae Hyung Huh, Kyung Min Kim, Dong-Won Na | 2009-11-24 |