Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240254 | Zoom lens barrel driving system for camera | Byung Jun Mun, Nae-jin Jo, Seon Ho Lee, Jin Hwan Kim | 2001-05-29 |
| 5796466 | Photographic printer | — | 1998-08-18 |
YC
Yong-Hag Choi
Overall (All Time): #2,227,104 of 4,157,543Top 55%
2
Patents All Time