Inventor · Atherton, CA, US

Robert C. Gardner

36Patents
15h-index
30Co-inventors
81Inventor score

Filing activity: Apr 20, 1981 → May 14, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5001609A Nonimaging light source Emerging Cross-Sectional Technologies 128 Expired
US5055892A High efficiency lamp or light accepter Electricity 103 Expired
US8573823B2 Solid-state luminaire Physics 84 Active
US4907748A Fuel injector with silicon nozzle Mechanical Engineering; Lighting; Heating 84 Expired
US4828184A Silicon micromachined compound nozzle Emerging Cross-Sectional Technologies 82 Expired
US5574814A Parallel optical transceiver link Physics 68 Expired
US8506112B1 Illumination devices including multiple light emitting elements Mechanical Engineering; Lighting; Heating 61 Active
US8602586B1 Illumination devices including multiple light emitting elements Mechanical Engineering; Lighting; Heating 47 Active
US4768751A Silicon micromachined non-elastic flow valves Emerging Cross-Sectional Technologies 37 Expired
US9081125B2 Illumination devices including multiple light emitting elements Mechanical Engineering; Lighting; Heating 33 Active
USD270483S Portable indirect lighting fixture General 24 Expired
US8899808B2 Lightguide luminaire module for direct and indirect illumination Mechanical Engineering; Lighting; Heating 24 Active
US8833969B2 Indirect direct troffer luminaire Mechanical Engineering; Lighting; Heating 23 Active
US9028120B2 Illumination devices including multiple light emitting elements Mechanical Engineering; Lighting; Heating 17 Active
US9103953B2 Off-axis illumination LED luminaire Physics 16 Active
US9863605B2 Light-emitting devices providing asymmetrical propagation of light Electricity 11 Active
US10107475B2 Light-emitting device and luminaire incorporating same Electricity 4 Active
US9034674B2 Method and apparatus for coupling light-emitting elements with light-converting material Electricity 2 Active
US10859758B2 Illumination devices including multiple light emitting elements Mechanical Engineering; Lighting; Heating 2 Active
US10707435B2 Method and apparatus for coupling light-emitting elements with light-converting material Electricity 1 Active
US10088618B2 Light-emitting device with remote scattering element and total internal reflection extractor element Electricity 1 Active
US10151446B2 Light-emitting device with total internal reflection (TIR) extractor Mechanical Engineering; Lighting; Heating 1 Active
US10132986B2 Illumination system based on active and passive illumination devices Mechanical Engineering; Lighting; Heating 0 Active
US11353167B2 Light-emitting devices providing asymmetrical propagation of light Electricity 0 Active
US9822948B2 Solid state illumination devices including spatially-extended light sources and reflectors Physics 0 Active

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