| 8964978 |
Method and apparatus for efficiently fixing transformed part of content |
Hyun-kwon Chung, Jun-bum Shin, Yun-Ho Choi, Su-hyun Nam |
2015-02-24 |
| 8806658 |
Method of installing software for using digital content and apparatus for playing digital content |
Choong Hoon Lee, JUN-CHAO YAO |
2014-08-12 |
| 8781113 |
Decryption apparatus and method of decrypting ciphertext of the same |
Hee Jae Park, Jong-ho Rhee |
2014-07-15 |
| 8347404 |
Method, system, and data server for checking revocation of content device and transmitting data |
Choong Hoon Lee, JUN-CHAO YAO |
2013-01-01 |
| 8255333 |
Method of generating license, and method and apparatus for providing contents using the same |
Jun-bum Shin, Chi-hurn Kim, Young-sun Yoon, Ji-Young Moon, Dave Ahn |
2012-08-28 |
| 8234493 |
Method for transmitting content in home network using user-binding |
Myung-Sun Kim, Sung-hyu Han, Young-sun Yoon, Bong-seon Kim, Jae-heung Lee |
2012-07-31 |
| 8234718 |
Method and apparatus for forbidding use of digital content against copy control information |
Bong-seon Kim, Chang-sup Ahn, So-Young Lee, Ji-Young Moon |
2012-07-31 |
| 8225090 |
Method and apparatus for inserting authentication code, and method and apparatus for using data through authentication |
Yao Jun, Choong Hoon Lee |
2012-07-17 |
| 8204215 |
Method and apparatus for encrypting data |
Seong-Soo Kim, Sang-su Choi, So-Young Lee |
2012-06-19 |
| 8171376 |
Method for protecting important data of contents and apparatus therefor |
Choong Hoon Lee, Seong-Soo Kim, Chang-yeul Kwon |
2012-05-01 |
| 8078874 |
Method and apparatus for transmitting data using authentication |
Seong-Soo Kim, Chang-yeul Kwon |
2011-12-13 |
| 8041034 |
Multi-streaming apparatus and multi-streaming method using temporary storage medium |
Chi-hurn Kim, Jung-wan Ko |
2011-10-18 |
| 8015342 |
Method of managing and restoring identifier of storage device and apparatus therefor |
Chang-sup Ahn, So-Young Lee, Bong-seon Kim, Ji-Young Moon |
2011-09-06 |
| 7996322 |
Method of creating domain based on public key cryptography |
Myung-Sun Kim, Yang-lim Choi, Yong Jin Jang |
2011-08-09 |
| 7987361 |
Method of copying and decrypting encrypted digital data and apparatus therefor |
Hee-chul Han, Yun-sang Kim, Yang-lim Choi, Sung-hyu Han |
2011-07-26 |
| 7987367 |
Method and apparatus for key agreement between devices using polynomial ring |
JUN-CHAO YAO, Moon-young Choi |
2011-07-26 |
| 7874004 |
Method of copying and reproducing data from storage medium |
Sung-hyu Han, Yun-sang Kim, Yang-lim Choi, Hee-chul Han |
2011-01-18 |
| 7848526 |
Method of receiving session key in home network and method of reproducing content using the same |
Jae-heung Lee, Myung-Sun Kim, Sung-hyu Han, Bong-seon Kim, Young-sun Yoon |
2010-12-07 |
| 7802312 |
Method of recording and/or reproducing data under control of domain management system |
Yun-sang Kim, Yang-lim Choi, Sung-hyu Han, Hee-chul Han |
2010-09-21 |
| 7590865 |
Method and apparatus for restriction use of storage medium using user key |
Sung-hyu Han, Yun-sang Kim, Yang-lim Choi, Hoc-chul Han |
2009-09-15 |