Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8867505 | Fast data-link connection method for saving connection time in CDMA 2000 network | Seunghwan Kwak, Jonghoon Park, Jungpyo Han, Sangyun Lee, Sehyun Oh +5 more | 2014-10-21 |
| 8103254 | Method and system for providing multimedia ring back tone service by using receiver-side switching center | Seongsoo Park, Sangshin Lee, Daesic Woo, Donghahk Lee, Wonsuk Chung +1 more | 2012-01-24 |
| 8059564 | Method and system for terminal codec setup of multimedia ring back tone service | Seongsoo Park, Donghahk Lee, Wonsuk Chung, Seongkeun Kim, Heehyeok Hahm +1 more | 2011-11-15 |
| 7912510 | Terminal for multimedia ring back tone service and method for controlling terminal | Seongsoo Park, Sangshin Lee, Daesic Woo, Seongkeun Kim, Sehyun Oh | 2011-03-22 |