Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8438112 | Host device, portable storage device, and method for updating meta information regarding right objects stored in portable storage device | Yun-sang Oh, Kyung-im Jung, Moon-sang Kwon | 2013-05-07 |
| 8161524 | Method and portable storage device for allocating secure area in insecure area | Yun-sang Oh, Moon-sang Kwon, Kyung-im Jung | 2012-04-17 |
| 8032941 | Method and apparatus for searching for rights objects stored in portable storage device object identifier | Yun-sang Oh, Moon-sang Kwon, Kyung-im Jung | 2011-10-04 |