Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10305827 | Method and system for providing instant messaging service | Ka Ram Han, Yong Hyun Kim, Sung Hwan Chang | 2019-05-28 |
| 10212488 | Channel-based method and system for relaying contents | Doo Shik Chung, Bo-ra Lim | 2019-02-19 |