Inventor · Duxford, GB

Robert John Stephenson

50Patents
27h-index
29Co-inventors
88Inventor score

Filing activity: Sep 13, 1995 → Mar 14, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7517702B2 Method for making an electronic device including a poled superlattice having a net electrical dipole moment Electricity 117 Active
US7446002B2 Method for making a semiconductor device comprising a superlattice dielectric interface layer Electricity 115 Expired
US7153763B2 Method for making a semiconductor device including band-engineered superlattice using intermediate annealing Emerging Cross-Sectional Technologies 109 Expired
US7700447B2 Method for making a semiconductor device comprising a lattice matching layer Electricity 109 Active
US7880161B2 Multiple-wavelength opto-electronic device including a superlattice Emerging Cross-Sectional Technologies 109 Active
US7227174B2 Semiconductor device including a superlattice and adjacent semiconductor layer with doped regions defining a semiconductor junction Electricity 108 Expired
US7045813B2 Semiconductor device including a superlattice with regions defining a semiconductor junction Electricity 107 Expired
US7045377B2 Method for making a semiconductor device including a superlattice and adjacent semiconductor layer with doped regions defining a semiconductor junction Electricity 107 Expired
US7279699B2 Integrated circuit comprising a waveguide having an energy band engineered superlattice Electricity 107 Expired
US7229902B2 Method for making a semiconductor device including a superlattice with regions defining a semiconductor junction Electricity 107 Expired
US7432524B2 Integrated circuit comprising an active optical device having an energy band engineered superlattice Electricity 107 Expired
US7109052B2 Method for making an integrated circuit comprising a waveguide having an energy band engineered superlattice Electricity 107 Expired
US7446334B2 Electronic device comprising active optical devices with an energy band engineered superlattice Electricity 107 Expired
US7718996B2 Semiconductor device comprising a lattice matching layer Electricity 106 Active
US8389974B2 Multiple-wavelength opto-electronic device including a superlattice Emerging Cross-Sectional Technologies 106 Active
US7863066B2 Method for making a multiple-wavelength opto-electronic device including a superlattice Emerging Cross-Sectional Technologies 106 Active
US9558939B1 Methods for making a semiconductor device including atomic layer structures using N2O as an oxygen source Electricity 98 Active
US6346197B1 Water and wastewater treatment system and process for contaminant removal Chemistry; Metallurgy 66 Expired
US10109479B1 Method of making a semiconductor device with a buried insulating layer formed by annealing a superlattice Electricity 65 Active
US10566191B1 Semiconductor device including superlattice structures with reduced defect densities Electricity 42 Active
US10468245B2 Semiconductor device including compound semiconductor materials and an impurity and point defect blocking superlattice Electricity 41 Active
US6663783B2 Electrochemical cell for removing contaminants from a wastewater stream Chemistry; Metallurgy 34 Expired
US10777451B2 Semiconductor device including enhanced contact structures having a superlattice Electricity 27 Active
US10727049B2 Method for making a semiconductor device including compound semiconductor materials and an impurity and point defect blocking superlattice Electricity 27 Active
US10811498B2 Method for making superlattice structures with reduced defect densities Electricity 27 Active

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