Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018899 | Handoff system and method between different kinds of devices, SIP server and operational method of SIP server | Se-Jong Oh, Jeong-Ho Bang, Kyoung-Hee Lee | 2011-09-13 |