Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963548 | Coherent synchronization of code division multiple access signals | Donald C. D. Chang, Kar W. Yung, David C. H. Cheng, Ming U. Chang, John I. Novak, III | 2005-11-08 |
| 6920309 | User positioning technique for multi-platform communication system | Kar W. Yung, Donald C. D. Chang | 2005-07-19 |
| 6914557 | Micro cell architecture for mobile user tracking communication system | Donald C. D. Chang, Ying Feria, Weizheng Wang, Alan Cha, Ming U. Chang +1 more | 2005-07-05 |
| 6909875 | Multi-platform wireless communication system for a variety of different user types | Kar W. Yung, Donald C. D. Chang | 2005-06-21 |
| 6868269 | Integrating coverage areas of multiple transponder platforms | Ying Feria, Kar W. Yung, Weizheng Wang, Donald C. D. Chang | 2005-03-15 |