Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10846681 | System and method for providing payment service | Moon Ho YANG | 2020-11-24 |
| 10740450 | Method and system for authenticating identity using variable keypad | — | 2020-08-11 |
| 10671716 | User authentication method and system using variable keypad and biometric identification | — | 2020-06-02 |