Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9087277 | Apparatus and method for dynamic multi-dimensional codes with time and visual recognition information | Jung Yeon Hwang, Ku Young Chang, Jeong Woon CHOI, Nam-Su JHO, Taek-Young YOUN +1 more | 2015-07-21 |
| 8966273 | Lightweight group signature system and method with short signature | Jung Yeon Hwang, Ku Young Chang, Jeong Woon CHOI, Nam-Su JHO, Taek-Young YOUN | 2015-02-24 |
| 8505104 | Apparatus and method for recording and reproducing images | Jooyoung Lee, Sungkyong Un | 2013-08-06 |
| 8447036 | Multi-party key agreement method using bilinear map and system therefor | Namsu JHO, Myunghwan Kim, Byunggil LEE | 2013-05-21 |
| 8422730 | System for analyzing forensic evidence using image filter and method thereof | Youngsoo Kim | 2013-04-16 |
| 8380720 | Method for data encryption and method for conjunctive keyword search of encrypted data | Kuyoung Chang, Namsu JHO, Hyunsook Cho | 2013-02-19 |
| 8112386 | Rotation based transformation method and apparatus for preserving data privacy | Abedelaziz Mohaisen | 2012-02-07 |
| 8095988 | Forgery-proof digital sound recording device | Sungkyong Un | 2012-01-10 |