Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063209 | Certificate issuing system based on block chain | Joon Sun Uhr, Jay Wu Hong | 2024-08-13 |
| 11907917 | Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same | Jay Wu Hong, Joon Sun Uhr | 2024-02-20 |