Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10771244 | Method for communication between devices and devices thereof | Se Il Kim, Dong Chan Kim | 2020-09-08 |
| 10602559 | Method for establishing connection between devices | — | 2020-03-24 |
| 10454904 | Method, apparatus and system for secure data communication | Hee-kwan Lee, Kwang-Pyo Choi, Chan-yul Kim, Seog Chung Seo | 2019-10-22 |
| 10419927 | Key sharing method and device | Hee-kwan Lee, Seog Chung Seo | 2019-09-17 |
| 9749133 | Method and apparatus for secure communication and determining secret information | Jong Bu Lim, Kyung Hun Jang | 2017-08-29 |
| 9344429 | Network apparatus based on content name and method for protecting content | Eun-Ah Kim, Dae-youb Kim, Byoung Joon Lee | 2016-05-17 |
| 9113319 | Method of generating a virtual private community and network using the virtual private community | Jae Hoon Kim, Ki-Ho Kim, Myeong Wuk Jang, Byoung Joon Lee | 2015-08-18 |
| 9100654 | Method and apparatus for inserting video watermark in compression domain | Hwan-joon Kim, Dae-youb Kim, Chee Sun Won, Sung Min Kim | 2015-08-04 |
| 9001916 | Method of transmitting secret information at transmitting end and method of receiving secret information at receiving end, based on MIMO multiplexing using antennas | Jong Bu Lim, Kyung Hun Jang | 2015-04-07 |
| 8898735 | Network apparatus based on content name, method of generating and authenticating content name | Byoung Joon Lee | 2014-11-25 |
| 8605906 | Bluetooth® device and method of connecting Bluetooth® devices using a Bluetooth® channel | — | 2013-12-10 |
| 8526619 | System and method of restricting recording of contents using device key of content playback device | — | 2013-09-03 |
| 8509443 | Rekey index generation method and rekey index generation apparatus | Dae-youb Kim, Hwan-joon Kim | 2013-08-13 |
| 8447033 | Method for protecting broadcast frame | Alexey Fomin, Wong Marcus, Evgny Linsky, Mikhail Stepanov, Sergei Bezzateev | 2013-05-21 |
| 8412948 | Method and apparatus for digital signature generation and validation | Kyung-Hee Lee, Tae-Chul Jung, Sergey Bezzateev, Alexey Sitalov | 2013-04-02 |
| 8401182 | Method of and device for updating group key | Dae-youb Kim, Tae-Chul Jung, Hwan-joon Kim | 2013-03-19 |
| 8374353 | Method and apparatus for updating a group key | Dae-youb Kim, Tae-Chul Jung, Hwan-joon Kim | 2013-02-12 |
| 8281144 | Ownership sharing method and apparatus using secret key in home network remote controller | Bae-eun Jung, Bum-jin Im | 2012-10-02 |
| 8270614 | Method of updating group key and group key update device using the same | Dae-youb Kim, Tae-Chul Jung, Hwan-joon Kim | 2012-09-18 |
| 8209369 | Signal processing apparatus and method for performing modular multiplication in an electronic device, and smart card using the same | Kyung-Hee Lee, Bum-jin Im | 2012-06-26 |
| 8121974 | Method of generating node indentifier in tree structure | Dae-youb Kim, Tae-Chul Jung, Hwan-joon Kim | 2012-02-21 |
| 8107669 | Video watermarking apparatus in compression domain and method using the same | Hwan-joon Kim, Dae-youb Kim, Chee Sun Won, Sung Min Kim | 2012-01-31 |
| 8094871 | Method and apparatus for inserting video watermark in compression domain | Hwan-joon Kim, Dae-youb Kim, Chee Sun Won, Sung Min Kim | 2012-01-10 |
| 8081754 | Key update method and apparatus thereof | Dae-youb Kim, Hwan-joon Kim | 2011-12-20 |
| 8056117 | Network and domain-creating method thereof | Bae-eun Jung, Maeng-hee Sung | 2011-11-08 |