Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953391 | Method for inclusive authentication and management of service provider, terminal and user identity module, and system and terminal device using the method | Sung-Oh Hwang, Wuk Kim | 2011-05-31 |
| 7870397 | Method and apparatus for managing digital rights of portable storage device | Kyung-im Jung, Joong-Chul Yoon, Moon-sang Kwon, Shin-Han Kim, Jae Jin Choi | 2011-01-11 |
| 7810162 | Method and apparatus for playing back content based on digital rights management between portable storage and device, and portable storage for the same | Tae-Sung Kim, Kyung-im Jung, Yun-sang Oh | 2010-10-05 |
| 7779479 | Method and apparatus for playing back content based on digital rights management between portable storage and device, and portable storage for the same | Yun-sang Oh, Tae-Sung Kim, Kyung-im Jung, Shin-Han Kim | 2010-08-17 |
| 7734922 | Method, system and terminal apparatus for enabling content to be reproduced in multiple terminals | Wuk Kim, Jun Hwan Kim | 2010-06-08 |
| 7734917 | Method for sharing rights objects between users | Kyung-ah Chang | 2010-06-08 |
| 7685643 | System and method for managing multimedia contents in intranet | Kyung-ah Chang | 2010-03-23 |
| 7395426 | Method of authenticating content provider and assuring content integrity | Kyung-ah Chang | 2008-07-01 |