Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10733304 | Method and apparatus for protecting digital content using device authentication | Moon Soo Chang, Yang-Soo Lee | 2020-08-04 |
| 9977906 | Method and apparatus for protecting digital content using device authentication | Moon Soo Chang, Yang-Soo Lee | 2018-05-22 |
| 9122879 | Method and apparatus for protecting digital content using device authentication | Moon Soo Chang, Yang-Soo Lee | 2015-09-01 |