Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8474055 | Method and apparatus for managing digital content | Ju-hee Seo, Myung-Sun Kim, Ji-Young Moon, Mi-hwa Park | 2013-06-25 |
| 8321660 | Method and devices for reproducing encrypted content and approving reproduction | Myung-Sun Kim, Ji-Young Moon | 2012-11-27 |
| 8229121 | Method of tracing device keys for broadcast encryption | Choong Hoon Lee, Young-sun Yoon, Sun-nam Lee, Jin-Mok Kim | 2012-07-24 |