Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023652 | Apparatus and method for implementing digital rights management systems in low-efficiency storage device | Yun-sang Oh, Kyung-im Jung, Suk-bong Lee | 2011-09-20 |
| 8005118 | Method and apparatus for implementing secure clock in device having no internal power source | Yun-sang Oh, Kyung-im Jung, Suk-bong Lee | 2011-08-23 |
| 8006084 | Apparatus and method for managing plurality of certificates | Yun-sang Oh, Suk-bong Lee, Kyung-im Jung | 2011-08-23 |
| 7937746 | Apparatus and method for hierarchically connecting devices | Yun-sang Oh | 2011-05-03 |