Issued Patents 2011
Showing 1–6 of 6 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, Moon-sang Kwon, Kyung-im Jung | 2011-10-04 |
| 8023652 | Apparatus and method for implementing digital rights management systems in low-efficiency storage device | Kyung-im Jung, Sang Gyoo SIM, Suk-bong Lee | 2011-09-20 |
| 8005118 | Method and apparatus for implementing secure clock in device having no internal power source | Sang Gyoo SIM, Kyung-im Jung, Suk-bong Lee | 2011-08-23 |
| 8006084 | Apparatus and method for managing plurality of certificates | Sang Gyoo SIM, Suk-bong Lee, Kyung-im Jung | 2011-08-23 |
| 7937746 | Apparatus and method for hierarchically connecting devices | Sang Gyoo SIM | 2011-05-03 |
| 7882291 | Apparatus and method for operating plural applications between portable storage device and digital device | Tae-Sung Kim, Shin-Han Kim, Kyung-im Jung | 2011-02-01 |