Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032941 | Method and apparatus for searching for rights objects stored in portable storage device object identifier | Sang-sin Jung, Yun-sang Oh, Kyung-im Jung | 2011-10-04 |
| 7870397 | Method and apparatus for managing digital rights of portable storage device | Byung-Rae Lee, Kyung-im Jung, Joong-Chul Yoon, Shin-Han Kim, Jae Jin Choi | 2011-01-11 |