Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8627487 | Method and apparatus for providing DRM service | Bo-Gyeong Kang | 2014-01-07 |
| 8627338 | Rights object acquisition method of mobile terminal in digital right management system | Kyung Keun Lee | 2014-01-07 |
| 8626055 | Method for delivering service guide source for generation of service guide in a mobile broadcast system, and method and system for delivering notification event/notification message | Sung-Oh Hwang, Jae-Kwon Oh, Kook-Heui Lee, Jae Yong Lee, Bo-Sun Jung +1 more | 2014-01-07 |
| 8619994 | System and method for providing digital contents service | Kyung Keun Lee, Seong Hun Bang | 2013-12-31 |
| 8615659 | System and method for acquiring terminal binding key | Bo-Sun Jung, Sung-Oh Hwang, Kook-Heui Lee | 2013-12-24 |
| 8565438 | Method of storing broadcast contents in mobile broadcast service terminal | Ji-Wuck Jung, Young-Jip Kim, Hyun-Chul Kim, Kyung-Shin Lee | 2013-10-22 |
| 8554893 | Apparatus and method for changing subscription status of service in mobile communication system and mobile communication system thereof | Bo-Sun Jung, Kook-Heui Lee, Jae-Yeon Song, Sung-Oh Hwang | 2013-10-08 |
| 8549659 | Non-volatile memory for anti-cloning and authentication method for the same | Bo-Gyeong Kang, Jung-wan Ko | 2013-10-01 |
| 8532298 | Encryption key distribution method in mobile broadcasting system, and system for the same | Sergey Nikolayevich Seleznev, Sung-Oh Hwang | 2013-09-10 |
| 8522357 | Rights-based advertisement management in protected media | Paul Fahn, Sanjeev Verma | 2013-08-27 |
| 8494438 | Method and system for sharing service guide or service guide fragments in mobile broadcast system | Bo-Sun Jung, Sung-Oh Hwang, Jong-Hyo Lee, Kook-Heui Lee | 2013-07-23 |
| 8443206 | Method and apparatus for managing digital rights using portable storage device | Joong-Chul Yoon, Kyung-im Jung | 2013-05-14 |
| 8417933 | Inter-entity coupling method, apparatus and system for service protection | Sung-Oh Hwang, Wuk Kim | 2013-04-09 |
| 8396464 | Method and apparatus for software update of terminals in a mobile communication system | Jong-Hyo Lee, Sung-Oh Hwang, Bo-Sun Jung, Ji-Eun Keum, Kook-Heui Lee | 2013-03-12 |
| 8363840 | Method and apparatus for providing broadcast service using encryption key in a communication system | Sergey Nikolayevich Seleznev, Sung-Oh Hwang, Kook-Heui Lee | 2013-01-29 |
| 8355717 | Method and system for registering a smartcard terminal with a broadcast server | Jeedigunta Venkateswar, Pratyusha Rajendran, Rajavelsamy R | 2013-01-15 |
| 8340296 | Method and system for registering and verifying smart card certificate for users moving between public key infrastructure domains | Kyung-ah Chang | 2012-12-25 |
| 8327136 | Inter-entity coupling method, apparatus and system for content protection | Sung-Oh Hwang, Wuk Kim | 2012-12-04 |
| 8316461 | Method for sharing rights objects between users | Kyung-ah Chang | 2012-11-20 |
| 8249587 | Roaming service method in a mobile broadcasting system, and system thereof | Sung-Oh Hwang, Jong-Hyo Lee, Kook-Heui Lee, Jae-Kwon Oh, Bo-Sun Jung +1 more | 2012-08-21 |
| 8209535 | Authentication between device and portable storage | Tae-Sung Kim, Joong-Chul Yoon, Kyung-im Jung | 2012-06-26 |
| 8208636 | Method for transmitting/receiving encryption information in a mobile broadcast system, and system therefor | Sung-Oh Hwang, Kook-Heui Lee, Bo-Sun Jung, Jong-Hyo Lee, Jae-Kwon Oh +1 more | 2012-06-26 |
| 8176322 | Apparatus and method for moving and copying rights objects between device and portable storage device | Tae-Sung Kim, Kyung-im Jung, Yun-sang Oh, Shin-Han Kim | 2012-05-08 |
| 8160252 | Method and system for protecting broadcast service/content in a mobile broadcast system, and method for generating short term key message therefor | Sung-Oh Hwang, Kook-Heui Lee | 2012-04-17 |
| 8055258 | Roaming service method in a mobile broadcasting system, and system thereof | Sung-Oh Hwang, Jong-Hyo Lee, Kook-Heui Lee, Jae-Kwon Oh, Bo-Sun Jung +1 more | 2011-11-08 |