Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8380720 | Method for data encryption and method for conjunctive keyword search of encrypted data | Kuyoung Chang, Namsu JHO, Dowon Hong | 2013-02-19 |
| 8341414 | License managing method and device | Sang-Woo Lee, Sin Hyo Kim, Byung Ho Chung | 2012-12-25 |
| 8320570 | Apparatus and method for generating secret key | You Sung Kang, Doo Ho Choi | 2012-11-27 |
| 7909259 | Pressure activated passive RFID tag | Hae Dong Lee, Doo Ho Choi, Kyo Il Chung | 2011-03-22 |