Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826137 | Apparatus and method for authentication/copy protection of optical storage medium and the optical storage medium | Jae Sun Lee, Woon-Sung Yeo | 2004-11-30 |
YS
Yong-Hoo Sheen
Overall (2004): #81,663 of 270,089Top 35%
1
Patents 2004