Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9710661 | Presence-based content sharing | Woojun Choi, Juseung LEE, Soonhyun Cha | 2017-07-18 |
| 9137359 | Terminal and method for managing call function | Jaewan Cho, Soonhyun Cha | 2015-09-15 |