Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10461859 | Method of outputting color code for data communication to display screen and method of transmitting data using color code | Byung-Hun Oh | 2019-10-29 |
| 10313332 | Method of performing one-time password (OTP) authentication using color code and OTP authentication server using color code | Sang Min Park | 2019-06-04 |
| 10235596 | System and method for transferring data using image code, outputting image code on display device, and decoding image code | Kyung-Won Chang | 2019-03-19 |