DC

Donald C. D. Chang

HL Hughes Electronics Limited: 25 patents #3 of 1,474Top 1%
HA Hughes Aircraft: 15 patents #38 of 2,963Top 2%
UN Unknown: 5 patents #3,065 of 83,584Top 4%
📍 Thousand Oaks, CA: #3 of 1,766 inventorsTop 1%
🗺 California: #1,145 of 386,348 inventorsTop 1%
Overall (All Time): #7,265 of 4,157,543Top 1%
139
Patents All Time

Issued Patents All Time

Showing 76–100 of 139 patents

Patent #TitleCo-InventorsDate
8384572 Noise injection technique Tzer-Hso Lin, Yuanchang Liu 2013-02-26
8111646 Communication system for dynamically combining power from a plurality of propagation channels in order to improve power levels of transmitted signals without affecting receiver and propagation segments 2012-02-07
7924223 Satellite ground terminal incorporating a smart antenna that rejects interference 2011-04-12
7245599 Application of complex codes to maximize user link utilization Ying Feria, Ming U. Chang 2007-07-17
7236508 Application of complex codes to maximize feeder link utilization Ying Feria, Ming U. Chang, Urban A. Von Der Embse 2007-06-26
7215954 Resource allocation method for multi-platform communication system Kar W. Yung, Frank A. Hagen 2007-05-08
7200360 Communication system as a secondary platform with frequency reuse Weizheng Wang, Wah L. Lim, Ying Feria, Ming U. Chang 2007-04-03
7198230 Method and system for maximizing satellite constellation coverage Kar W. Yung 2007-04-03
7187949 Multiple basestation communication system having adaptive antennas Wah L. Lim, Ming U. Chang 2007-03-06
7181162 Communication system using multiple link terminals Wah L. Lim, Ming U. Chang 2007-02-20
7167704 Communication system using multiple link terminals for aircraft Wah L. Lim, Ming U. Chang 2007-01-23
7103317 Communication system using multiple link terminals for aircraft Wah L. Lim, Ming U. Chang 2006-09-05
7089000 Multi-node wireless communication system with multiple transponding platforms Ming U. Chang, Kar W. Yung, Frank A. Hagen 2006-08-08
7068616 Multiple dynamic connectivity for satellite communications systems Wah L. Lim, Ming U. Chang 2006-06-27
7068733 Sampling technique for digital beam former Kar W. Yung, Urban A. Von Der Embse 2006-06-27
7027769 GEO stationary communications system with minimal delay Harold A. Rosen, Ming U. Chang, Weizheng Wang, John I. Novak, III, Wah L. Lim 2006-04-11
7016646 Communication system employing reuse of satellite spectrum for terrestrial communication William W. Mayfield, John I. Novak, III 2006-03-21
6941107 Stratospheric platform based surface vehicle tracking and mobile data network Wah L. Lim, Ming U. Chang 2005-09-06
6891813 Dynamic cell CDMA code assignment system and method Ying Feria, Ming U. Chang 2005-05-10
6829479 Fixed wireless back haul for mobile communications using stratospheric platforms Ming U. Chang, Ying Feria, Harold A. Rosen 2004-12-07
6807397 Method for identifying growth limits of handheld services for mobile satellite communications Kar W. Yung, 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 Urban A. Von Der Embse, Kar W. Yung, John I. Novak, III 2004-09-14
6766987 Satellite system and method of deploying same Frank Taormina, Kar W. Yung, David C. H. Cheng, William W. Mayfield, John I. Novak, III +1 more 2004-07-27
6762718 Wavefront-projection beamformer Kar W. Yung, Frank A. Hagen, Weizheng Wang 2004-07-13
6735437 Communication system employing reuse of satellite spectrum for terrestrial communication William W. Mayfield, John I. Novak, III 2004-05-11