Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7688706 | Method of transferring data with respect to an optical information medium having a lead-in area | Kyung-geun Lee, In-sik Park, Chong-sam Chung, Du-seop Yoom | 2010-03-30 |
| 7272106 | Optical information storage medium | Kyung-geun Lee, In-sik Park, Chong-san Chung, Du-seop Yoon | 2007-09-18 |