Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876922 | Speaker device for portable terminal | Dong-Ik Park, Jun Tai Kim, Dae-Hyun Sim | 2011-01-25 |
| 6870371 | Method and apparatus for examining plasma display panel electrodes using frequency characteristics | Jae Hong Park | 2005-03-22 |