Inventor · Woodbury, MN, US

Stephen A. Johnson

119Patents
16h-index
193Co-inventors
89Inventor score

Filing activity: Mar 30, 1979 → Jun 28, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7153588B2 UV resistant naphthalate polyester articles Emerging Cross-Sectional Technologies 124 Expired
US5249954A Integrated imaging sensor/neural network controller for combustion systems Mechanical Engineering; Lighting; Heating 75 Expired
US5953878A Polyvinyl deck Emerging Cross-Sectional Technologies 73 Expired
US6887917B2 Curable pressure sensitive adhesive compositions Emerging Cross-Sectional Technologies 42 Expired
US6325515A Cube corner retroreflective article with enhanced pigmentation Emerging Cross-Sectional Technologies 32 Expired
US5858142A Angular orientation control system for friction welding Performing Operations; Transporting 27 Expired
US8792165B2 Internally patterned multilayer optical films with multiple birefringent layers Emerging Cross-Sectional Technologies 25 Active
US8067094B2 Films including thermoplastic silicone block copolymers Emerging Cross-Sectional Technologies 25 Active
US7705101B2 Branched polydiorganosiloxane polyamide copolymers Emerging Cross-Sectional Technologies 24 Active
US7705103B2 Polydiorganosiloxane polyoxamide copolymers Emerging Cross-Sectional Technologies 22 Active
US6974850B2 Outdoor weatherable photopolymerizable coatings Emerging Cross-Sectional Technologies 21 Expired
US8263731B2 Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units Emerging Cross-Sectional Technologies 20 Active
US6613819B2 Light stable articles Emerging Cross-Sectional Technologies 19 Expired
US9477011B2 Multilayer optical film Emerging Cross-Sectional Technologies 17 Active
US6231036A Mechanism for clamping and holding an elongated workpiece Emerging Cross-Sectional Technologies 17 Expired
US9102131B2 Textured film and process for manufacture thereof Emerging Cross-Sectional Technologies 16 Active
US4266752A Seal structure Mechanical Engineering; Lighting; Heating 15 Expired
US8181841B2 Linear friction welder with rocker arms Performing Operations; Transporting 13 Active
US8070039B1 Linear friction welder Performing Operations; Transporting 13 Active
US7396631B2 Radiation curable thermal transfer elements Emerging Cross-Sectional Technologies 12 Expired
US8182924B2 Optical body having polyacrylate skin layer Emerging Cross-Sectional Technologies 11 Active
US7297400B2 Curable pressure sensitive adhesive compositions Emerging Cross-Sectional Technologies 11 Expired
US8063166B2 Polydiorganosiloxane polyamide copolymers having organic soft segments Emerging Cross-Sectional Technologies 10 Active
US6811841B1 Light-stable structures Emerging Cross-Sectional Technologies 10 Expired
US7820297B2 Multilayer films including thermoplastic silicone block copolymers Emerging Cross-Sectional Technologies 10 Active

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