Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12301571 | Method and apparatus for user authentication based on block chain | Jeong Hyeon Ma | 2025-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12301571 | Method and apparatus for user authentication based on block chain | Jeong Hyeon Ma | 2025-05-13 |