Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10164779 | System for issuing public certificate on basis of block chain, and method for issuing public certificate on basis of block chain by using same | Joon Sun Uhr, Joo Han Song | 2018-12-25 |
| 9872050 | Method for generating, providing and reproducing digital contents in conjunction with digital currency, and terminal and computer readable recording medium using same | Joon Sun Uhr, Richard Ho Yun | 2018-01-16 |