Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10783260 | Method for providing simplified account registration service and user authentication service, and authentication server using same | Joon Sun Uhr, Jay Wu Hong, Ju-Min Lee | 2020-09-22 |
| 9087186 | Device and method for authenticating contents-protected information | Yong-Jun Kim | 2015-07-21 |
| 9001633 | Method and apparatus for preventing the reading of an optical disc | — | 2015-04-07 |
| 9001634 | Optical disc drive, user terminal, and file processing method | Jae-Young Lee | 2015-04-07 |