Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7362874 | Speaker system having a front speaker integrated with a reflection-type surround speaker | Jin Sub LEE, Takashi Ohyaba, Hyeon-goo Yoon | 2008-04-22 |
| 7123730 | Audio power amplifying apparatus and method | Won-suk Son | 2006-10-17 |