Inventor · Westfield, NJ, US

Federico Capasso

104Patents
23h-index
135Co-inventors
93Inventor score

Filing activity: Sep 19, 1980 → Dec 4, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5457709A Unipolar semiconductor laser Electricity 90 Expired
US4945393A Floating gate memory circuit and apparatus Electricity 67 Expired
US4905063A Floating gate memories Electricity 64 Expired
US6326646A Mounting technology for intersubband light emitters Electricity 53 Expired
US4686550A Heterojunction semiconductor devices having a doping interface dipole Electricity 50 Expired
US6400744B1 Apparatus comprising a quantum cascade laser having improved distributed feedback for single-mode operation Electricity 48 Expired
US5509025A Unipolar semiconductor laser Electricity 45 Expired
US6134257A Solid state laser for operation in librational modes Electricity 42 Expired
US6816530B2 Nonlinear semiconductor light sources Electricity 38 Expired
US7826509B2 Broadly tunable single-mode quantum cascade laser sources and sensors Electricity 38 Active
US6501783B1 Distributed feedback surface plasmon laser Electricity 35 Expired
US6690699B2 Quantum cascade laser with relaxation-stabilized injection Electricity 34 Expired
US5901168A Article comprising an improved QC laser Electricity 34 Expired
US4476477A Graded bandgap multilayer avalanche photodetector with energy step backs Electricity 32 Expired
US4794440A Heterojunction bipolar transistor Electricity 30 Expired
US4383269A Graded bandgap photodetector Electricity 30 Expired
US5570386A Semiconductor laser Emerging Cross-Sectional Technologies 29 Expired
US5936989A Quantum cascade laser Electricity 28 Expired
US4849799A Resonant tunneling transistor Electricity 27 Expired
US10408416B2 Achromatic metalens and metalens with reverse chromatic dispersion Performing Operations; Transporting 27 Active
US4590507A Variable gap devices Electricity 25 Expired
US5502787A Article comprising a semiconductor waveguide structure Electricity 24 Expired
US8848273B2 Amplitude, phase and polarization plate for photonics Emerging Cross-Sectional Technologies 23 Active
US5311009A Quantum well device for producing localized electron states for detectors and modulators Emerging Cross-Sectional Technologies 22 Expired
US4902912A Apparatus including resonant-tunneling device having multiple-peak current-voltage characteristics Physics 22 Expired

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