Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12273466 | Electronic authentication system and method of supporting multi-signature | Hyeon-Sang Eom, Jong Been Han, Min Kim | 2025-04-08 |
| 7470856 | Method and apparatus for reproducing MIDI music based on synchronization information | Doill Jung | 2008-12-30 |
| 7038120 | Method and apparatus for designating performance notes based on synchronization information | Doill Jung, Yong-Woo Jeon | 2006-05-02 |