Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11392931 | Method and system for providing financial transaction using empty card | — | 2022-07-19 |
| 11379837 | Method, program, and apparatus for identifying device by using chip unique value-based virtual code | — | 2022-07-05 |
| 11354401 | System, method, and program for providing virtual code, virtual code generating device, and virtual code verifying device | — | 2022-06-07 |
| 11334871 | Apparatus, method and program for providing financial transaction by virtual card number | — | 2022-05-17 |
| 11301921 | System for payment based on store's intranet, mobile terminal including payment function based on store's intranet, method for providing payment service based on store's intranet, and program for performing the same | — | 2022-04-12 |
| 11250417 | Virtual code-based control system, method, and program, control device, and control signal generating means | — | 2022-02-15 |
| 11188895 | Virtual token-based settlement providing system, virtual token generation apparatus, virtual token verification server, virtual token-based settlement providing method, and virtual token-based settlement providing program | — | 2021-11-30 |
| 10754942 | System, method, and program for providing virtual code, virtual code generating device, and virtual code verifying device | — | 2020-08-25 |
| 10270762 | User authentication method for enhancing integrity and security | Un Yeong Heo, Min Gyu Kim, Woo Yong Seo | 2019-04-23 |
| 9756040 | User authentication method with enhanced security | Min Gyu Kim, Un Yeong Heo, Ga Hye Kim | 2017-09-05 |
| 9239910 | System and method for preventing the leaking of digital content | Dong Hwa Kim, Jin Hyug Choi, Un Yeong Heo, Dong Hwan Shin | 2016-01-19 |
| 8690049 | Method for generating an image file for forgery verification and a method for forgeryverification of an image file | — | 2014-04-08 |