Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952426 | Digital audio amplifier and digital audio amplifying method therefor | — | 2011-05-31 |
| 7443235 | Audio system and processing method of storing and reproducing digital pulse width modulation signal | Hae-kwang Park | 2008-10-28 |