Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085906 | Method, system and apparatus for providing alternative multimedia ring back tone substitute service by using intelligent network | Daesic Woo, Seongkeun Kim, Donghahk Lee | 2011-12-27 |
| 8059564 | Method and system for terminal codec setup of multimedia ring back tone service | Donghahk Lee, Wonsuk Chung, Seongkeun Kim, Heehyeok Hahm, Sehyun Oh +1 more | 2011-11-15 |
| 8009627 | Method and system for providing interworking with portable internet network and other kinds of networks | Sangshin Lee, Jinsung Cho, Intae Ryoo, Donghahk Lee | 2011-08-30 |
| 7912510 | Terminal for multimedia ring back tone service and method for controlling terminal | Sangshin Lee, Daesic Woo, Seongkeun Kim, Sehyun Oh, Myungsung Lee | 2011-03-22 |