Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836218 | System and method for recognizing external device by portable terminal | Moon-Sung Choi | 2010-11-16 |
| 7547840 | Method and apparatus for outputting audio data and musical score image | Joo-Sub Kim | 2009-06-16 |