Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313266 | Range hood | Nokhaeng LEE, Jeawon LEE, Jeonghoon KANG, Minsung Kim, Kwanwoo HONG | 2025-05-27 |
| 9015077 | Method and apparatus for efficiently encrypting/decrypting digital content according to broadcast encryption scheme | Bong-seon Kim, Myung-Sun Kim, Young-sun Yoon, Sun-nam Lee, Jae-heung Lee | 2015-04-21 |
| 8983071 | Key management method using hierarchical node topology, and method of registering and deregistering user using the same | Bong-seon Kim, Myung-Sun Kim, Young-sun Yoon, Sun-nam Lee, Jae-heung Lee | 2015-03-17 |
| 8341402 | Method of controlling content access and method of obtaining content key using the same | Myung-Sun Kim, Young-sun Yoon, Sun-nam Lee, Bong-seon Kim, Jae-heung Lee | 2012-12-25 |
| 8301571 | Method of packaging broadcast contents | Sun-nam Lee, Myung-Sun Kim, Young-sun Yoon, Jae-heung Lee, Bong-seon Kim +1 more | 2012-10-30 |
| 8234493 | Method for transmitting content in home network using user-binding | Myung-Sun Kim, Yong-kuk You, Young-sun Yoon, Bong-seon Kim, Jae-heung Lee | 2012-07-31 |
| 8170215 | Key management method for home network and home network device and system using the same | Sun-nam Lee, Myung-Sun Kim, Su-hyun Nam, Sang-su Choi | 2012-05-01 |
| 8161296 | Method and apparatus for managing digital content | Myung-Sun Kim, Young-sun Yoon, Sun-nam Lee, Bong-seon Kim, Jae-heung Lee | 2012-04-17 |
| 8156344 | Method and apparatus for backing up and restoring domain information | Bong-seon Kim, Myung-Sun Kim, Young-sun Yoon, Sun-nam Lee, Jae-heung Lee | 2012-04-10 |
| 8122487 | Method and apparatus for checking proximity between devices using hash chain | Jae-heung Lee, Myung-Sun Kim, Young-sun Yoon, Sun-nam Lee, Bong-seon Kim | 2012-02-21 |
| 8005758 | Encryption/decryption method and apparatus for controlling content use based on license information | Sun-nam Lee, Myung-Sun Kim, Young-sun Yoon, Jae-heung Lee, Bong-seon Kim +1 more | 2011-08-23 |
| 7987361 | Method of copying and decrypting encrypted digital data and apparatus therefor | Hee-chul Han, Yun-sang Kim, Yang-lim Choi, Yong-kuk You | 2011-07-26 |
| 7874004 | Method of copying and reproducing data from storage medium | Yun-sang Kim, Yang-lim Choi, Yong-kuk You, 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, Yong-kuk You, Bong-seon Kim, Young-sun Yoon | 2010-12-07 |
| 7802312 | Method of recording and/or reproducing data under control of domain management system | Yong-kuk You, Yun-sang Kim, Yang-lim Choi, Hee-chul Han | 2010-09-21 |
| 7653713 | Method of measuring round trip time and proximity checking method using the same | Myung-Sun Kim, Young-sun Yoon, Sun-nam Lee, Bong-seon Kim, Jae-heung Lee | 2010-01-26 |
| 7590865 | Method and apparatus for restriction use of storage medium using user key | Yun-sang Kim, Yang-lim Choi, Yong-kuk You, Hoc-chul Han | 2009-09-15 |
| 7478313 | Encoding apparatus and method, and decoding apparatus and method for error correction | Ki Hyun Kim, In-sik Park, Jae-seong Shim | 2009-01-13 |
| 7424613 | Method of constructing domain based on public key and implementing the domain through universal plug and play (UPnP) | Myung-Sun Kim, Jung-yon Cho, Yang-lim Choi | 2008-09-09 |
| 7369615 | Soft demodulation method and apparatus | Ki Hyun Kim, In-sik Park, Yoon-woo Lee | 2008-05-06 |
| 7317766 | Apparatus and method for demodulating signal | Ki Hyun Kim, In-sik Park, Jae-seong Shim | 2008-01-08 |
| 7278082 | Method of generating parity data based on low-density parity check matrix and apparatus therefor | Ki Hyun Kim, In-sik Park, Yoon-woo Lee | 2007-10-02 |
| 7243286 | Method and apparatus for generating parity information for error correction | Ki Hyun Kim, In-sik Park, Jae-seong Shim, Yoon-woo Lee | 2007-07-10 |
| 7188281 | Error correction coding apparatus and method | Ki Hyun Kim, In-sik Park, Jae-seong Shim | 2007-03-06 |
| 7174496 | Error correction code block generating method and apparatus and optical storage medium containing error correction code block | Yoon-woo Lee, Sang-hyun Ryu, Young-im Ju, Sung-hee Hwang | 2007-02-06 |