Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922403 | Acoustic echo control system and double talk control method thereof | — | 2005-07-26 |
| 6721709 | Digital data player, and data processing method and data storage medium for the same | Myeong-Joon Kang | 2004-04-13 |