Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10038780 | System for switching and outputting sender-controlled incoming ringtone and method therefor | Kyo-sik Hong | 2018-07-31 |
| 9888369 | System for transmitting heterogeneous network-linked data and method therefor | Kyo-sik Hong | 2018-02-06 |