Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060740 | Authentication system and method for an interactive optical disc | Woo Seong Yoon, Yong Hoon Choi, Jea Yong Yoo | 2011-11-15 |
| 8042144 | Interactive medium and method for managing additional data thereof | Jea Yong Yoo, Woo Seong Yoon, Byung Jin Kim | 2011-10-18 |
| 7995900 | Method of presenting auxiliary data for an interactive recording medium | Woo Seong Yoon, Jea Yong Yoo, Seung-Hoon Lee | 2011-08-09 |
| 7907815 | Method and apparatus for synchronous reproduction of main contents recorded on an interactive recording medium and additional contents therefor | Jea Yong Yoo, Woo Seong Yoon, Byung Jin Kim | 2011-03-15 |