Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10825830 | Vertical semiconductor devices | Bong-Tae Park, Jae-Joo Shim | 2020-11-03 |
| 8625784 | Broadcast encryption method and broadcast decryption method thereof | Maeng-hee Sung, Weon-il Jin, Heejean Kim, Baeeun Jung, Jong-Hwan Park +4 more | 2014-01-07 |
| 8595496 | Method and system for updating time information of a DRM device | Hee-jean Kim, Maeng-hee Sung, Weon-il Jin, Bae-eun Jung | 2013-11-26 |
| 8412948 | Method and apparatus for digital signature generation and validation | Mi Suk Huh, Kyung-Hee Lee, Sergey Bezzateev, Alexey Sitalov | 2013-04-02 |
| 8401182 | Method of and device for updating group key | Dae-youb Kim, Mi Suk Huh, Hwan-joon Kim | 2013-03-19 |
| 8374353 | Method and apparatus for updating a group key | Dae-youb Kim, Mi Suk Huh, Hwan-joon Kim | 2013-02-12 |
| 8370624 | Key generation method for self-configuration | Jeong Hyun Yi | 2013-02-05 |
| 8270614 | Method of updating group key and group key update device using the same | Dae-youb Kim, Mi Suk Huh, Hwan-joon Kim | 2012-09-18 |
| 8270607 | Method of protecting broadcast frame, terminal authenticating broadcast frame, and access point broadcasting broadcast frame | Eun-Ah Kim, Jeong Hyun Yi, Alexey Fomin, Evgeny Linsky, Mikhail Stepanov +1 more | 2012-09-18 |
| 8225393 | Apparatus for restricting access to application module in mobile wireless device and method of restricting access to application module using the same | Tae Joon Park | 2012-07-17 |
| 8205256 | Apparatus for detecting intrusion code and method using the same | Tae-jin Ahn, Taejoon Park | 2012-06-19 |
| 8121974 | Method of generating node indentifier in tree structure | Mi Suk Huh, Dae-youb Kim, Hwan-joon Kim | 2012-02-21 |
| 7970134 | Method for generating, operating, and using a sparse w-NAF key for encryption | Jeong Hyun Yi, Jung Hee Cheon, Tae-Kyoung Kwon, Hong-tae Kim, Mun-Kyu Lee | 2011-06-28 |
| 7971064 | Distributed Rivest Shamir Adleman signature method and signature generation node | Jeong Hyun Yi, Eun-Ah Kim, Alexandra Afanasyeva, Alexey Fomin | 2011-06-28 |
| 7940936 | Public key generation method in elliptic curve cryptography and public key generation system executing the method | Jeong Hyun Yi, Sergey Bezzateev, Eun-Ah Kim, Mikhail Stepanov | 2011-05-10 |
| 7895438 | Method and apparatus for generating and verifying digital signature | Mi Suk Huh, Kyung-Hee Lee, Sergey Bezzateev, Evgeny Krouk, Alexandra Afanasyeva +1 more | 2011-02-22 |
| 7617323 | Method for supporting mutual exclusion function and DRM device thereof | Hee-jean Kim, Perumal Raj Sivaradjane, Varinder Singh, Maeng-hee Sung, Weon-il Jin +1 more | 2009-11-10 |
| 7551740 | Weighted secret sharing and reconstructing method | Kyung-Hee Lee, Evgeny Krouk, Sergey Bezzateev, Evgeny Linsky | 2009-06-23 |
| 7532724 | Method for encrypting and decrypting data for multi-level access control in an ad-hoc network | Kyung-Hee Lee, Evgeny Krouk, Alexey Sitalov, Sergey Bezzateev | 2009-05-12 |