Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11696130 | Mobile phone authentication method using implicit authentication | — | 2023-07-04 |
| 9509516 | Apparatus and method for providing digital signature | Young Seob CHO, Soo-Hyung Kim, Jong-Hyouk NOH, Sang Rae Cho, Jin-Man CHO +3 more | 2016-11-29 |
| 8769276 | Method and system for transmitting and receiving user's personal information using agent | Jong-Hyouk NOH, Seung Hyun Kim, Sang Rae Cho, Yeong Sub Cho, Seung Hun Jin | 2014-07-01 |
| 8731472 | Portable mobile apparatus providing supplementary service for user and method thereof | Seung Hyun Kim, Soo-Hyung Kim, Jong-Hyouk NOH, Sang Rae Cho, Young Seob CHO +1 more | 2014-05-20 |
| 8539594 | Apparatus and method for managing identity information | Young Seob CHO, Jin-Man CHO, Sang Rae Cho, Jong-Hyouk NOH, Soo-Hyung Kim +4 more | 2013-09-17 |
| 8522305 | System and method for updating user identifiers (IDs) | Yeong Sub Cho, Sang Rae Cho, Jong-Hyouk NOH, Tae-Sung Kim, Seung Hyun Kim +1 more | 2013-08-27 |
| 8504832 | Mobile terminal for sharing resources, method of sharing resources within mobile terminal and method of sharing resources between web server and terminal | Seung Hyun Kim, Soo-Hyung Kim, Jong-Hyouk NOH, Sang Rae Cho, Young Seob CHO +1 more | 2013-08-06 |
| 8447037 | Key tree construction and key distribution method for hierarchical role-based access control | Jong-Hyouk NOH, Deokjin KIM, Soo-Hyung Kim, Seung Hyun Kim, Sang Rae Cho +3 more | 2013-05-21 |
| 8032753 | Server and system for transmitting certificate stored in fixed terminal to mobile terminal and method using the same | Seung Hyun Kim, Jong-Hyouk NOH, Sang Rae Cho, Yeong Sub Cho, Seung Hun Jin +1 more | 2011-10-04 |
| 7478236 | Method of validating certificate by certificate validation server using certificate policies and certificate policy mapping in public key infrastructure | Jong-Hyuk Roh, Young Seob CHO, Sang Rae Cho, Tae-Sung Kim, Hee Sun Kim +1 more | 2009-01-13 |
| 7366904 | Method for modifying validity of a certificate using biometric information in public key infrastructure-based authentication system | Jong-Hyuk Roh, Taesung Kim, Hee Sun Kim, Young Seob CHO, Sang Rae Cho +1 more | 2008-04-29 |
| 7133296 | Portable USB storage device | Hee Sun Kim, Taesung Kim, Jong-Hyuk Roh, Sang Rae Cho, Young Seob CHO +1 more | 2006-11-07 |