Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10135809 | Method, system and apparatus for authentication using application | Kyungwan Ko, Bongsu Um | 2018-11-20 |
| 9130927 | Single certificate service system and operational method thereof | Kyungwan Ko, Bongsu Um | 2015-09-08 |
| 8195248 | Disguised power-off method for a mobile communication terminal | Dohoon Ha, Sangwoon Kwon | 2012-06-05 |