Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081980 | Method and system for recovering from hand-off fail for use in CDMA 2000 1xEV-DO system | Jaewan Byun, Jaemoon Lee, Jintae Choi, Namgyu Kim | 2011-12-20 |
| 7643461 | Method and telecommunication system for appointing frequency assignment mode and/or broadcast/multicast service assignment ration for providing broadcast/multicast service | Jintae Choi, Jaemoon Lee, Namgyu Kim, Sangchoon Jeon | 2010-01-05 |
| 7609675 | Method and system for recognizing call switch-over from 1xEV-DO system to 1X system | Jaemoon Lee, Jintae Choi, Namgyu Kim | 2009-10-27 |
| 7590091 | Method and system for switching over to 1x system upon 1xev-do system failure | Jaemoon Lee, Jintae Choi, Namgyu Kim | 2009-09-15 |