Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ES

Edward E. Sprague — 28 Patents

INInfinera: 25 patents #24 of 407Top 6%
CICiena: 2 patents #497 of 1,406Top 40%
ASAdvantest Test Solutions: 1 patents #30 of 31Top 100%
California: #18,844 of 386,348 inventorsTop 5%
Overall (All Time): #138,317 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
7627254 Automated optical link power control Matthew L. Mitchell, Robert B. Taylor 2009-12-01
7286487 Optical transmission network with asynchronous mapping and demapping and digital wrapper frame for the same Drew D. Perkins, Ting-Kuang Chiang, Daniel P. Murphy 2007-10-23
6628725 Method and system for encoding data for transmission over a serial link Joel F. Adam, Darren S. Engelkemier 2003-09-30