Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719542 | Convergence yoke for improving focus characteristics | Jinhong Park, Doohyun Lee | 1998-02-17 |
YC
Yoonseok Cha
Overall (All Time): #3,676,628 of 4,157,543Top 90%
1
Patents All Time