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

David A. Schwarten

CICiena: 3 patents #365 of 1,406Top 30%
Ellicott City, MD: #403 of 1,185 inventorsTop 35%
Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,601,853 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6697750 Method and apparatus for performing parallel asynchronous testing of optical modules Bryan Coin, Michael J. Ransford, Chao Jiang, Iqbal M. Dar, Andrei Csipkes 2004-02-24
6676304 Optical module testing system Bryan Coin, Michael J. Ransford, Chao Jiang, Iqbal M. Dar, Andrei Csipkes 2004-01-13
6590644 Optical module calibration system Bryan Coin, Michael J. Ransford, Chao Jiang, Iqbal M. Dar, Andrei Csipkes 2003-07-08