Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063209 | Certificate issuing system based on block chain | Jay Wu Hong, 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 | Jay Wu Hong | 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, Jay Wu Hong | 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 | Jay Wu Hong | 2024-01-02 |