Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831909 | Channel assigning device and method in CDMA communication system | Chang-Hoi Koo | 2004-12-14 |
| 6804219 | Data transmitting method in a CDMA system | Chang-Hoi Koo, Hyun Seok Lee, Hoon Chang, Sung Won Lee | 2004-10-12 |
| 6741580 | Common channel communication device and method supporting various data rates in a mobile communication system | Hyun Seok Lee | 2004-05-25 |