Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11568396 | Method for using and revoking authentication information and blockchain-based server using the same | Joo Han Song, Jay Wu Hong | 2023-01-31 |
| 11556926 | Method for approving use of card by using blockchain-based token id and server using method | Moon Gju Suh, Jay Wu Hong | 2023-01-17 |
| 11544640 | Method for providing online ticket service by using blockchain network and server using the same | Jay Wu Hong, Joo Han Song | 2023-01-03 |