Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10990063 | Apparatus for measuring quality of holographic display and hologram measurement pattern thereof | — | 2021-04-27 |
| 10606214 | Method and apparatus for measuring and evaluating spatial resolution of hologram reconstructed image | Jin Woong Kim | 2020-03-31 |
| 8923549 | Watermark generating method, broadcast content generating method including the same and watermarking system | Younhee Kim, Hyuntae Kim, Inje CHO, Kihyeok Bae, Jea-Seung Jeong | 2014-12-30 |
| 8750505 | Apparatus and method for controlling conversion of broadcasting program based on program protection information | Hyon Gon CHOO, Sangwoo AHN, Jooyoung Lee, Moon-Kyun Oh, Jin Woo Hong +10 more | 2014-06-10 |
| 8639093 | Apparatus and method for recording partial encryption of broadcast program | Hyon Gon CHOO, Sang-Kwon SHIN, Sangwoo AHN, Jooyoung Lee, Kyeongok Kang +1 more | 2014-01-28 |
| 8630413 | Digital contents reproducing terminal and method for supporting digital contents transmission/reception between terminals according to personal use scope | Jooyoung Lee, Hyon Gon CHOO, Moon-Kyun Oh, Sang-Kwon SHIN, Won Sik Cheong +3 more | 2014-01-14 |
| 8495376 | Apparatus and method for controlling use of broadcasting program using signature in program information | Hyon Gon CHOO, Moon-Kyun Oh, Sangwoo AHN, Sang-Kwon SHIN, Jooyoung Lee +1 more | 2013-07-23 |
| 8407483 | Apparatus and method for authenticating personal use of contents by using portable storage | Jooyoung Lee, Hyon Gon CHOO, Jin Woo Hong, Moon-Kyun Oh, Sang-Kwon SHIN +2 more | 2013-03-26 |
| 8224157 | Method and apparatus for extracting spatio-temporal feature and detecting video copy based on the same in broadcasting communication system | Joosub Kim | 2012-07-17 |
| 8214303 | Apparatus for executing interoperable digital rights management using contents device and method of performing operations between contents device and digital rights management tool for interoperable digital rights management | Bum Suk Choi, YoungBae Byun, Jooyoung Lee | 2012-07-03 |