Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10102540 | Device and method for enforcing advertisement viewing | Sung-Oh Hwang | 2018-10-16 |
| 10051337 | Method and system for managing an encryption key for a broadcasting service | Sung-Oh Hwang | 2018-08-14 |
| 9898588 | Method and apparatus for providing cloud-based digital rights management service and system thereof | Byung-Rae Lee | 2018-02-20 |
| 9882903 | Method for protecting personal information in audience measurement of digital broadcasting system | Sung-Oh Hwang | 2018-01-30 |