Inventor · Laval, QC, CA

Paul Lefebvre

24Patents
10h-index
37Co-inventors
75Inventor score

Filing activity: Feb 8, 1988 → Sep 22, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4851095A Magnetron sputtering apparatus and process Electricity 321 Expired
US5798027A Process for depositing optical thin films on both planar and non-planar substrates Chemistry; Metallurgy 89 Expired
US7288228B2 Sample injection system Emerging Cross-Sectional Technologies 86 Expired
US5618388A Geometries and configurations for magnetron sputtering apparatus Chemistry; Metallurgy 75 Expired
US5200855A Absorbing dichroic filters Physics 72 Expired
US5225057A Process for depositing optical films on both planar and non-planar substrates Electricity 65 Expired
US5914817A Thin film dichroic color separation filters for color splitters in liquid crystal display systems Electricity 50 Expired
US5879519A Geometries and configurations for magnetron sputtering apparatus Chemistry; Metallurgy 35 Expired
US5798182A Wear resistant thin film coating and combination Chemistry; Metallurgy 21 Expired
US9347312B2 Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation Emerging Cross-Sectional Technologies 13 Active
USD471436S1 Reusable transparent packaging General 8 Expired
US6778741B2 Method and apparatus for aligning a waveguide with a radiation source Physics 4 Expired
US6934459B2 Reel to reel manufacturing line Physics 2 Expired
US7164841B2 Reel to reel manufacturing line Physics 2 Expired
US10843290B2 Acoustically enhanced optical cables Physics 1 Active
US9341778B2 Fiber optic splice protector for harsh environments Emerging Cross-Sectional Technologies 1 Active
US10246989B2 Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation Emerging Cross-Sectional Technologies 1 Active
US7079729B2 Apparatus for generating an optical interference pattern Physics 0 Expired
US7277604B2 Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation Physics 0 Expired
US11577337B2 Acoustically enhanced optical cables Physics 0 Active
US6990272B2 Apparatus for generating an optical interference pattern Physics 0 Expired
US10837274B2 Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation Emerging Cross-Sectional Technologies 0 Active
US10400579B2 Optical device for measuring a physical parameter in a hydrogen contaminated sensing zone Fixed Constructions 0 Active
US7418162B2 Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation Physics 0 Active

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