Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7761099 | Method for discovering wireless network for inter-system handover, multi-mode terminal unit and inter-working service server using the method | Won-Ik Kim, Bong Ju Lee, Jae Su SONG, Sung Gu CHOI | 2010-07-20 |
| 7756056 | Apparatus and method for managing quality of service in integrated network of heterogeneous mobile network | Hyung Sub Kim, Yeong Jin Kim | 2010-07-13 |
| 7733871 | QoS control apparatus in multi-cell network system and method thereof | Sung Gu CHOI, Soo-Chang Kim, Ji-Soo Park, Seung-Kwon Baek, Won-Ik Kim +1 more | 2010-06-08 |
| 7720487 | Handover method and apparatus for mobile terminal using location information in heterogeneous system network | Won-Ik Kim, Bong Ju Lee, Pyeong Jung SONG, Sang Woo Nam, Jae Su SONG | 2010-05-18 |
| 7680515 | Dual-mode reconfigurable base station and SCA-based service mode switching method thereof | Eun Seon Cho, Jin Up Kim | 2010-03-16 |
| 6393009 | Method for managing trunk status of a CDMA mobile communication exchange | Jung Mo Moon, Dae-sik Kim | 2002-05-21 |