Issued Patents All Time
Showing 1–3 of 3 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 |
| 10521789 | Payment system, electronic device and payment method thereof | Ki Bong Kim, Beom-Soo Cho | 2019-12-31 |