Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172362 | Method and apparatus for managing and verifying certificate | Kangjin YOON, Jonghoe KOO, Duckey Lee | 2021-11-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172362 | Method and apparatus for managing and verifying certificate | Kangjin YOON, Jonghoe KOO, Duckey Lee | 2021-11-09 |