Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077523 | Three-dimensional display using variable focusing lens | Cheong Soo Seo, Dong Woo Gim, Gyoung Il Cho, Sang Hyune Baek | 2006-07-18 |
| 7057826 | Small and fast zoom system | Gyoung Il Cho, Dong Woo Gim, Cheong Soo Seo, Sang Hyune Baek | 2006-06-06 |