Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8893233 | Referer verification apparatus and method | Chul-woo Lee, Deok Jin Kim, Byung-Chul BAE, Sang Woo Park, Man-Hee Lee +1 more | 2014-11-18 |
| 8375428 | Password input system using alphanumeric matrices and password input method using the same | Yoo Jae Won, Hyun Cheol Jeong, Hwan-Jin Lee | 2013-02-12 |