Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10117102 | Multimedia message service method and system | Kyung-Tak Lee, Joon-Goo Park, Sang-Kyung Sung | 2018-10-30 |
| 9930531 | Multimedia message service method and system | Kyung-Tak Lee, Joon-Goo Park, Sang-Kyung Sung | 2018-03-27 |