Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8352329 | Method and system for providing international electronic payment service using mobile phone authentication | Ik-seon Ryu | 2013-01-08 |
| 8180686 | Multi-step authentication-based electronic payment method using mobile terminal | Jung Wook Shin, Su Jin Lim | 2012-05-15 |