Issued Patents 2024
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12101419 | Blockchain network-based virtual common ID service method and service provision server using same | Kyoo Hyung Han | 2024-09-24 |
| 12063209 | Certificate issuing system based on block chain | Joon Sun Uhr, Joo Han Song | 2024-08-13 |
| 11961057 | Method for paying cost of IoT device based on blockchain and merkle tree structure related thereto, and server, service providing terminal, and digital wallet using the same | Joon Sun Uhr | 2024-04-16 |
| 11907917 | Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same | Joo Han Song, Joon Sun Uhr | 2024-02-20 |
| 11861573 | Method for paying cost of IoT device based on blockchain and merkle tree structure related thereto, and server, service providing terminal, and digital wallet using the same | Joon Sun Uhr | 2024-01-02 |