Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9426104 | Group management method and system in interworking system of IMPS system and simple IM system | Jae-Kwon Oh | 2016-08-23 |
| 8407357 | Group management method and system in interworking system of IMPS system and SIMPLE IM system | Jae-Kwon Oh | 2013-03-26 |