Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8505104 | Apparatus and method for recording and reproducing images | Jooyoung Lee, Dowon Hong | 2013-08-06 |
| 8095988 | Forgery-proof digital sound recording device | Dowon Hong | 2012-01-10 |