Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266311 | Optical disk player | Geun Hyuk Song, Kye-Yeon Ryu | 2001-07-24 |
IC
Ick-Joo Cha
Overall (All Time): #3,589,129 of 4,157,543Top 90%
1
Patents All Time