Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10270762 | User authentication method for enhancing integrity and security | Chang Hun YOO, Min Gyu Kim, Woo Yong Seo | 2019-04-23 |
| 9756040 | User authentication method with enhanced security | Chang Hun YOO, Min Gyu Kim, Ga Hye Kim | 2017-09-05 |
| 9239910 | System and method for preventing the leaking of digital content | Dong Hwa Kim, Chang Hun YOO, Jin Hyug Choi, Dong Hwan Shin | 2016-01-19 |