Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11157591 | Asynchronous static analysis system for a collaborative software development environment | Mark S. Adams, Chris Walz, Erin Jensby, Robbie Gallagher | 2021-10-26 |
| 8706167 | Communication system for mobile users using adaptive antenna with auxiliary elements | Donald C. D. Chang, Wah L. Lim | 2014-04-22 |
| 8396513 | Communication system for mobile users using adaptive antenna | Donald C. D. Chang, Wah L. Lim | 2013-03-12 |
| 7929984 | Multiple basestation communication system having adaptive antennas | Donald C. D. Chang, Wah L. Lim | 2011-04-19 |
| 7809403 | Stratospheric platforms communication system using adaptive antennas | Donald C. D. Chang, Wah L. Lim | 2010-10-05 |
| 7720472 | Stratospheric-based communication system having interference cancellation | Ying Feria, Donald C. D. Chang | 2010-05-18 |
| 7558569 | Induced cellular communications handover | John G. Himes, Marvin D. Swensen | 2009-07-07 |
| 7400857 | Communication system using multiple link terminals | Donald C. D. Chang, Grant J. Beatson, Wah L. Lim | 2008-07-15 |
| 7245599 | Application of complex codes to maximize user link utilization | Ying Feria, Donald C. D. Chang | 2007-07-17 |
| 7236508 | Application of complex codes to maximize feeder link utilization | Ying Feria, Donald C. D. Chang, Urban A. Von Der Embse | 2007-06-26 |
| 7200360 | Communication system as a secondary platform with frequency reuse | Donald C. D. Chang, Weizheng Wang, Wah L. Lim, Ying Feria | 2007-04-03 |
| 7187949 | Multiple basestation communication system having adaptive antennas | Donald C. D. Chang, Wah L. Lim | 2007-03-06 |
| 7181162 | Communication system using multiple link terminals | Donald C. D. Chang, Wah L. Lim | 2007-02-20 |
| 7167704 | Communication system using multiple link terminals for aircraft | Donald C. D. Chang, Wah L. Lim | 2007-01-23 |
| 7103317 | Communication system using multiple link terminals for aircraft | Donald C. D. Chang, Wah L. Lim | 2006-09-05 |
| 7089000 | Multi-node wireless communication system with multiple transponding platforms | Kar W. Yung, Frank A. Hagen, Donald C. D. Chang | 2006-08-08 |
| 7068616 | Multiple dynamic connectivity for satellite communications systems | Donald C. D. Chang, Wah L. Lim | 2006-06-27 |
| 7027769 | GEO stationary communications system with minimal delay | Harold A. Rosen, Donald C. D. Chang, Weizheng Wang, John I. Novak, III, Wah L. Lim | 2006-04-11 |
| 6963548 | Coherent synchronization of code division multiple access signals | Donald C. D. Chang, Kar W. Yung, David C. H. Cheng, Frank A. Hagen, John I. Novak, III | 2005-11-08 |
| 6952580 | Multiple link internet protocol mobile communications system and method therefor | Donald C. D. Chang, Wah L. Lim | 2005-10-04 |
| 6941107 | Stratospheric platform based surface vehicle tracking and mobile data network | Donald C. D. Chang, Wah L. Lim | 2005-09-06 |
| 6914557 | Micro cell architecture for mobile user tracking communication system | Donald C. D. Chang, Ying Feria, Weizheng Wang, Alan Cha, Frank A. Hagen +1 more | 2005-07-05 |
| 6891813 | Dynamic cell CDMA code assignment system and method | Ying Feria, Donald C. D. Chang | 2005-05-10 |
| 6829479 | Fixed wireless back haul for mobile communications using stratospheric platforms | Donald C. D. Chang, Ying Feria, Harold A. Rosen | 2004-12-07 |
| 6807397 | Method for identifying growth limits of handheld services for mobile satellite communications | Donald C. D. Chang, Kar W. Yung, David C. H. Cheng, Urban A. Von Der Embse, John I. Novak, III +1 more | 2004-10-19 |