Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11127010 | Electronic device, certification agency server, and payment system | Moon Soo Chang | 2021-09-21 |
| 10997584 | Payment system, electronic device and payment method thereof | Ki Bong Kim, Beom-Soo Cho | 2021-05-04 |