Inventor · Ottawa, ON, CA

Paul Colbourne

64Patents
16h-index
62Co-inventors
87Inventor score

Filing activity: Dec 30, 1988 → Mar 30, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6519065B1 Chromatic dispersion compensation device Electricity 157 Expired
US5798859A Method and device for wavelength locking Electricity 130 Expired
US6654564B1 Tunable dispersion compensator Electricity 64 Expired
US9250391B2 Multicast optical switch Physics 61 Active
US6498872B2 Optical configuration for a dynamic gain equalizer and a configurable add/drop multiplexer Physics 54 Expired
US5915063A Variable optical attenuator Physics 53 Expired
US6125220A Interferometric optical device including a resonant optical cavity Physics 45 Expired
US6262822A Circuit for monitoring optical signals Electricity 40 Expired
US6487334B2 Optical switch Electricity 34 Expired
US4942306A Fibre optic sensor for the continuous measurement liquids level and other parameters Emerging Cross-Sectional Technologies 33 Expired
US5666225A Multi-pass etalon filter Physics 25 Expired
US6560252B1 Method and device for wavelength locking Electricity 23 Expired
US5896193A Apparatus for testing an optical component Electricity 22 Expired
US6040932A Method and circuit for demultiplexing an optical signal Physics 17 Expired
US6118530A Optical scanning spectrometer Physics 16 Expired
US6462858B1 Fast attenuator Physics 16 Expired
US8045854B2 M×N wavelength selective optical switch Electricity 14 Active
US6859573B2 Double pass arrangement for a liquid crystal device Physics 14 Expired
US8300995B2 M X N WSS with reduced optics size Physics 13 Active
US6353692B1 Optical switch Physics 11 Expired
US7725027B2 Multi-unit wavelength dispersive device Physics 11 Active
US6018603A Optical demultiplexing/multiplexing device having a wavelength dependent element Physics 11 Expired
US6940588B2 Measuring response characteristics of an optical component Electricity 11 Expired
US8233794B2 Hitless MxN wavelength selective switch Electricity 11 Active
US6061124A Apparatus and method for generation of optical signals Electricity 10 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.