AC

Alan Cha

DI Directv: 3 patents #6 of 42Top 15%
📍 Glendale, CA: #7 of 74 inventorsTop 10%
🗺 California: #2,168 of 28,370 inventorsTop 8%
Overall (2004): #32,427 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6763242 Resource assignment system and method for determining the same Ying Feria, Ming U. Chang, Donald C. D. Chang, Frank A. Hagen 2004-07-13
6756937 Stratospheric platforms based mobile communications architecture Donald C. D. Chang, Ming U. Chang, Ying Feria, Weizheng Wang, Kar W. Yung +1 more 2004-06-29
6751458 Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissions Weizheng Wang, Donald C. D. Chang, Ming U. Chang, Ying Feria 2004-06-15