Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085906 | Method, system and apparatus for providing alternative multimedia ring back tone substitute service by using intelligent network | Seongsoo Park, Seongkeun Kim, Donghahk Lee | 2011-12-27 |
| 7912510 | Terminal for multimedia ring back tone service and method for controlling terminal | Seongsoo Park, Sangshin Lee, Seongkeun Kim, Sehyun Oh, Myungsung Lee | 2011-03-22 |