Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336777 | Method and apparatus for managing presenting and changing ring-back sounds in subscriber-based ring-back sound service | Sang-Yoen Lee, Ki-Moon Kim, Young-Tae Noh, Jae Young Park | 2008-02-26 |
| 7248851 | Method for controlling routing information for intellectual peripherals in subscriber-based ring-back-tone-service | Sang-Yoen Lee, Ki-Moon Kim, Young-Tae Noh, Jae Young Park | 2007-07-24 |
| 7010112 | Method of managing trunk and querying and ascertaining ring-back sound to provide ring-back sound in subscriber-based ring-back sound service | Sang-Yoen Lee, Ki-Moon Kim, Young-Tae Noh, Jae Young Park | 2006-03-07 |