Issued Patents 2020
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10848319 | System for issuing certificate based on blockchain network, and method for issuing certificate based on blockchain network by using same | Joon Sun Uhr, Joo Han Song | 2020-11-24 |
| 10848318 | System for authenticating certificate based on blockchain network, and method for authenticating certificate based on blockchain network by using same | Joon Sun Uhr, Joo Han Song | 2020-11-24 |
| 10846416 | Method for managing document on basis of blockchain by using UTXO-based protocol, and document management server using same | Joon Sun Uhr, Ju-Min Lee | 2020-11-24 |
| 10826888 | Method for providing certificate service based on smart contract and server using the same | Joo Han Song, Joon Sun Uhr | 2020-11-03 |
| 10783260 | Method for providing simplified account registration service and user authentication service, and authentication server using same | Joon Sun Uhr, Sang Hoon Hyun, Ju-Min Lee | 2020-09-22 |
| 10776786 | Method for creating, registering, revoking authentication information and server using the same | Joo Han Song, Joon Sun Uhr | 2020-09-15 |
| 10755237 | Method for creating, registering, revoking authentication information and server using the same | Joo Han Song, Joon Sun Uhr | 2020-08-25 |
| 10679193 | Digital virtual currency transaction system and method having block chain between concerned parties | Joon Sun Uhr, Jong Eun Park | 2020-06-09 |
| 10659236 | Method for superseding log-in of user through PKI-based authentication by using blockchain database of UTXO-based protocol, and server employing same | Seung Il Ra, Hee Soon Kim, Joon Sun Uhr | 2020-05-19 |
| 10594498 | Method and service-providing server for secure transmission of user-authenticating information | Joon Sun Uhr, Joo Han Song | 2020-03-17 |
| 10554421 | Method for superseding log-in of user through PKI-based authentication by using smart contact and blockchain database, and server employing same | Seung Il Ra, Hee Soon Kim, Joon Sun Uhr | 2020-02-04 |
| 10541991 | Method for OAuth service through blockchain network, and terminal and server using the same | Joon Sun Uhr, Moon Gju Suh | 2020-01-21 |
| 10528756 | Method for managing information using tree structure based on blockchain, server and terminal using the same | Joon Sun Uhr, Joo Han Song, Moon Gju Suh | 2020-01-07 |