Inventor · Richmond, BC, CA

Anthony J. Springthorpe

13Patents
7h-index
12Co-inventors
63Inventor score

Filing activity: Sep 16, 1974 → Dec 21, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4342944A Light emitting diodes with high external quantum efficiency Electricity 110 Expired
US3981023A Integral lens light emitting diode Emerging Cross-Sectional Technologies 80 Expired
US3968564A Alignment of optical fibers to light emitting diodes Physics 47 Expired
US4163953A Double heterostructure laser for direct coupling to an optical fiber Electricity 41 Expired
US4284884A Electro-optic devices Electricity 27 Expired
US4342148A Contemporaneous fabrication of double heterostructure light emitting diodes and laser diodes using liquid phase epitaxy Emerging Cross-Sectional Technologies 8 Expired
US4329189A Channelled substrate double heterostructure lasers Emerging Cross-Sectional Technologies 7 Expired
US3975751A Monolithic light-emitting diode and modulator Electricity 4 Expired
US4889830A Zinc diffusion in the presence of cadmium into indium phosphide Emerging Cross-Sectional Technologies 1 Expired
US4086126A Production of high radiance light emitting diodes Electricity 1 Expired
US4493287A Diffusion equipment Emerging Cross-Sectional Technologies 0 Expired
US4323859A Chanelled substrate double heterostructure lasers Electricity 0 Expired
US6653213B2 Structure and method for doping of III-V compounds Electricity 0 Expired

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