Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7643466 | Method and system for using either public or private networks in 1xEV-DO system | Jun Hyuk Lee, Hae Young Choi | 2010-01-05 |
| 7593728 | Private wireless communication system and method for controlling mobile station using the same | Joo Hong Lee, Soo Hwan Kim, Geun-Myeon Lee | 2009-09-22 |
| 7480505 | Providing evolution data only (EV-DO) service in network interfacing wireless public network and wired/wireless private network | Hae Young Choi | 2009-01-20 |
| 7359352 | Apparatus and method for processing data call in private wireless high-speed data system | Soo Hwan Kim, Jun Hyuk Lee, Tai-Yoon Lee | 2008-04-15 |
| 7333472 | Internet protocol telephony exchange system and call control method thereof | Sung Chul HONG, Ha-Hong Kim, Tae-Hong Ahn | 2008-02-19 |
| 7313396 | Registering mobile station in private mobile network cooperating with public land mobile network (PLMN) | Hyun-Ho Nam, Dong Youl Lee | 2007-12-25 |
| 7215953 | Private wireless high-speed data system and data service method | Jun Hyuk Lee, Soo Hwan Kim | 2007-05-08 |
| 7047035 | Service apparatus and method for public mobile communication network, and private wire and mobile communication network | Gui-Jung Lee | 2006-05-16 |
| 6970720 | Service apparatus for a public and private mobile communication network | Ha-Hong Kim, Gui-Jung Lee | 2005-11-29 |
| 6912388 | Providing roaming service among private mobile switching centers | — | 2005-06-28 |