Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9853953 | Method of transferring rights object and electronic device | Yeo-jin Kim, Yun-sang Oh, Sang Gyoo SIM, Ji Soo Kim | 2017-12-26 |
| 9300668 | Method and apparatus for roaming digital rights management content in device | Jae Won Lee, Seung Chul Chae, Young-suk Jang | 2016-03-29 |
| 8983872 | Apparatus and method for digital rights management | Jae Won Lee, Seung Chul Chae, Young-suk Jang | 2015-03-17 |
| 8955158 | Method and apparatus for transmitting rights object information between device and portable storage | Yun-sang Oh, Tae-Sung Kim, Shin-Han Kim | 2015-02-10 |
| 8677498 | Apparatus and method of managing security data | Yeo-jin Kim, Yun-sang Oh, Sang Gyoo SIM, Ji Soo Kim | 2014-03-18 |
| 8646061 | Method and apparatus for transmitting rights object information between device and portable storage | Yun-sang Oh, Tae-Sung Kim, Shin-Han Kim | 2014-02-04 |
| 8640240 | Apparatus and method for using information on malicious application behaviors among devices | Kiran Pal Sagoo | 2014-01-28 |
| 8443206 | Method and apparatus for managing digital rights using portable storage device | Byung-Rae Lee, Joong-Chul Yoon | 2013-05-14 |
| 8438112 | Host device, portable storage device, and method for updating meta information regarding right objects stored in portable storage device | Yun-sang Oh, Sang-sin Jung, Moon-sang Kwon | 2013-05-07 |
| 8423787 | Apparatus and method of measuring integrity | Hyun Jin Choi, Myung-June Jung | 2013-04-16 |
| 8340297 | Method and apparatus for efficiently providing location of contents encryption key | Yeo-jin Kim, Yun-sang Oh, Sang Gyoo SIM, Ji Soo Kim | 2012-12-25 |
| 8286235 | Apparatus and method for managing rights object | Yeo-jin Kim, Yun-sang Oh | 2012-10-09 |
| 8261073 | Digital rights management method and apparatus | Yun-sang Oh, Sang Gyoo SIM, Suk-bong Lee, Yeo-jin Kim, Ji Soo Kim | 2012-09-04 |
| 8245312 | Method and apparatus for digital rights management | Hong-young Jeon, Myung-June Jung, Hyun Jin Choi, Ji Soo Kim, Sun-Jae Lee +1 more | 2012-08-14 |
| 8209535 | Authentication between device and portable storage | Byung-Rae Lee, Tae-Sung Kim, Joong-Chul Yoon | 2012-06-26 |
| 8196208 | Method and apparatus for creating and applying secure file identifier of rights object by using random numbers | Yeo-jin Kim, Yun-sang Oh, Sang Gyoo SIM, Ji Soo Kim | 2012-06-05 |
| 8191129 | Apparatus and method for processing digital rights object | Yun-sang Oh, Tae-Sung Kim, Shin-Han Kim | 2012-05-29 |
| 8181266 | Method for moving a rights object between devices and a method and device for using a content object based on the moving method and device | Yun-sang Oh, Jae Jin Choi | 2012-05-15 |
| 8180709 | Method and device for consuming rights objects having inheritance structure in environment where the rights objects are distributed over plurality of devices | Yun-sang Oh, Suk-bong Lee | 2012-05-15 |
| 8176322 | Apparatus and method for moving and copying rights objects between device and portable storage device | Byung-Rae Lee, Tae-Sung Kim, Yun-sang Oh, Shin-Han Kim | 2012-05-08 |
| 8161524 | Method and portable storage device for allocating secure area in insecure area | Yun-sang Oh, Sang-sin Jung, Moon-sang Kwon | 2012-04-17 |
| 8112630 | Device, system, and method for reporting execution flow of program | Myung-June Jung, Hyun Jin Choi | 2012-02-07 |
| 8032941 | Method and apparatus for searching for rights objects stored in portable storage device object identifier | Sang-sin Jung, Yun-sang Oh, Moon-sang Kwon | 2011-10-04 |
| 8023652 | Apparatus and method for implementing digital rights management systems in low-efficiency storage device | Yun-sang Oh, Sang Gyoo SIM, Suk-bong Lee | 2011-09-20 |
| 8015553 | Method and apparatus for testing execution flow of program | Myung-June Jung, Hyun Jin Choi | 2011-09-06 |