DC

Donald C. D. Chang

HL Hughes Electronics Limited: 4 patents #1 of 120Top 1%
DI Directv: 3 patents #6 of 42Top 15%
📍 Thousand Oaks, CA: #4 of 139 inventorsTop 3%
🗺 California: #438 of 28,370 inventorsTop 2%
Overall (2004): #4,224 of 270,089Top 2%
7
Patents 2004

Issued Patents 2004

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
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
6725013 Communication system having frequency reuse in non-blocking manner Weizheng Wang, Ying Feria, Ming U. Chang, Harold A. Rosen, Wah L. Lim 2004-04-20