Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12373824 | Method and system for payment for central bank digital currency | Inseon Ryu, Hwang Wook Kim, Cheol-Ung Lee | 2025-07-29 |
| 11922404 | Method and system for payment for central bank digital currency | Inseon Ryu, Hwang Wook Kim, Cheol-Ung Lee | 2024-03-05 |
| 11244307 | Transaction processing system and method enabling expansion of blockchain | Hong-Kyu Lee, Jeehong Lee, Chul-soon Choi, Eunho Chang, Hojin Jang | 2022-02-08 |
| 10812423 | Method, apparatus, system, and non-transitory computer readable medium for chatting on mobile device using an external device | Jookwan Kim | 2020-10-20 |