Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807397 | Method for identifying growth limits of handheld services for mobile satellite communications | Donald C. D. Chang, David C. H. Cheng, Urban A. Von Der Embse, John I. Novak, III, Frank Taormina +1 more | 2004-10-19 |
| 6791495 | Modular mobile terminal for satellite communication | Donald C. D. Chang, Urban A. Von Der Embse, John I. Novak, III | 2004-09-14 |
| 6785553 | Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS | Donald C. D. Chang, David C. H. Cheng, Ming U. Chang, Frank A. Hagen | 2004-08-31 |
| 6766987 | Satellite system and method of deploying same | Frank Taormina, Donald C. D. Chang, David C. H. Cheng, William W. Mayfield, John I. Novak, III +1 more | 2004-07-27 |
| 6762718 | Wavefront-projection beamformer | Donald C. D. Chang, Frank A. Hagen, Weizheng Wang | 2004-07-13 |
| 6756937 | Stratospheric platforms based mobile communications architecture | Donald C. D. Chang, Ming U. Chang, Ying Feria, Weizheng Wang, Alan Cha +1 more | 2004-06-29 |
| 6757546 | Synchronization method and apparatus for multi-platform communication system | Frank A. Hagen, Ying Feria, Donald C. D. Chang | 2004-06-29 |