Issued Patents 2011
Showing 1–7 of 7 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, Moon-sang Kwon | 2011-10-04 |
| 8023652 | Apparatus and method for implementing digital rights management systems in low-efficiency storage device | Yun-sang Oh, Sang Gyoo SIM, Suk-bong Lee | 2011-09-20 |
| 8015553 | Method and apparatus for testing execution flow of program | Myung-June Jung, Hyun Jin Choi | 2011-09-06 |
| 8006084 | Apparatus and method for managing plurality of certificates | Yun-sang Oh, Sang Gyoo SIM, Suk-bong Lee | 2011-08-23 |
| 8005118 | Method and apparatus for implementing secure clock in device having no internal power source | Sang Gyoo SIM, Yun-sang Oh, Suk-bong Lee | 2011-08-23 |
| 7882291 | Apparatus and method for operating plural applications between portable storage device and digital device | Yun-sang Oh, Tae-Sung Kim, Shin-Han Kim | 2011-02-01 |
| 7870397 | Method and apparatus for managing digital rights of portable storage device | Byung-Rae Lee, Joong-Chul Yoon, Moon-sang Kwon, Shin-Han Kim, Jae Jin Choi | 2011-01-11 |