Inventor
SPRINGTHORPE ANTHONY J
CA9 patents
⚠️ This page may combine multiple inventors who share the name “SPRINGTHORPE ANTHONY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTHERN TELECOM LTD
8 patentsUS4342944AAug 3, 1982
Light emitting diodes with high external quantum efficiency
NORTHERN TELECOM LTD132 citations94
US4163953AAug 7, 1979
Double heterostructure laser for direct coupling to an optical fiber
NORTHERN TELECOM LTD77 citations94
US4284884AAug 18, 1981
Electro-optic devices
NORTHERN TELECOM LTD39 citations90
US4342148AAug 3, 1982
Contemporaneous fabrication of double heterostructure light emitting diodes and laser diodes using liquid phase epitaxy
NORTHERN TELECOM LTD9 citations71
US4329189AMay 11, 1982
Channelled substrate double heterostructure lasers
NORTHERN TELECOM LTD13 citations70
US4323859AApr 6, 1982
Chanelled substrate double heterostructure lasers
NORTHERN TELECOM LTD2 citations59
US4889830ADec 26, 1989
Zinc diffusion in the presence of cadmium into indium phosphide
NORTHERN TELECOM LTD1 citations47
US4493287AJan 15, 1985
Diffusion equipment
NORTHERN TELECOM LTD0 citations40