Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10146497 | Multilayer image display device | — | 2018-12-04 |
| 7664597 | Address input method and apparatus for navigation system | — | 2010-02-16 |
| 7577950 | Database update method and apparatus using optical disk with limited content lifetime | — | 2009-08-18 |
| 6816781 | Navigation method and system for large compound | — | 2004-11-09 |