Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10491396 | Method and server for providing notary service for file and verifying file recorded by notary service | Joon Sun Uhr, Joo Han Song | 2019-11-26 |
| 10469264 | Method and server for authenticating and verifying file | Joon Sun Uhr, Joo Han Song | 2019-11-05 |
| 10454918 | Method for SSO service using PKI based on blockchain networks, and device and server using the same | Joon Sun Uhr, Moon Gju Suh | 2019-10-22 |
| 10395062 | Method and server for authenticating and verifying file | Joon Sun Uhr, Joo Han Song | 2019-08-27 |
| 10372942 | Method and server for providing notary service for file and verifying file recorded by notary service | Joon Sun Uhr, Joo Han Song | 2019-08-06 |
| 10333721 | Secure information transmitting system and method for personal identity authentication | Joon Sun Uhr, Joo Han Song | 2019-06-25 |
| 10235538 | Method and server for providing notary service for file and verifying file recorded by notary service | Joon Sun Uhr, Joo Han Song | 2019-03-19 |