Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7907597 | Method and apparatus for providing voice and data services in a mobile communication system with various overlapped access networks | Sang-Do Lee, Jin-Man Kim, Tae Won Kim, Hong-Sung Chang, Jae-Jeong Shim +1 more | 2011-03-15 |
| 7260072 | Data push service system and method using a heterogeneous network | Sang-Do Lee, Jin-Man Kim, Tae Won Kim, Young-Ki Jeon, Jin Soo Lee +4 more | 2007-08-21 |