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Anthony J. Springthorpe
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Richmond, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Structure and method for doping of III-V compounds
Patent number
6,653,213
Issue date
Nov 25, 2003
Bookham Technology, PLC
Anthony J. Springthorpe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Zinc diffusion in the presence of cadmium into indium phosphide
Patent number
4,889,830
Issue date
Dec 26, 1989
Northern Telecom Limited
Anthony J. Springthorpe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Diffusion equipment
Patent number
4,493,287
Issue date
Jan 15, 1985
Northern Telecom Limited
Anthony J. Springthorpe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Light emitting diodes with high external quantum efficiency
Patent number
4,342,944
Issue date
Aug 3, 1982
Northern Telecom Limited
Anthony J. SpringThorpe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contemporaneous fabrication of double heterostructure light emittin...
Patent number
4,342,148
Issue date
Aug 3, 1982
Northern Telecom Limited
Anthony J. SpringThorpe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Channelled substrate double heterostructure lasers
Patent number
4,329,189
Issue date
May 11, 1982
Northern Telecom Limited
Julian P. Noad
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Chanelled substrate double heterostructure lasers
Patent number
4,323,859
Issue date
Apr 6, 1982
Northern Telecom Limited
Julian P. Noad
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electro-optic devices
Patent number
4,284,884
Issue date
Aug 18, 1981
Northern Telecom Limited
John C. Dyment
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Double heterostructure laser for direct coupling to an optical fiber
Patent number
4,163,953
Issue date
Aug 7, 1979
Northern Telecom Limited
Anthony J. Springthorpe
G02 - OPTICS
Information
Patent Grant
Production of high radiance light emitting diodes
Patent number
4,086,126
Issue date
Apr 25, 1978
Northern Telecom Limited
Anthony John Springthorpe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integral lens light emitting diode
Patent number
3,981,023
Issue date
Sep 14, 1976
Northern Electric Company Limited
Frederick David King
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic light-emitting diode and modulator
Patent number
3,975,751
Issue date
Aug 17, 1976
Northern Electric Company Limited
Anthony John Springthorpe
G02 - OPTICS
Information
Patent Grant
Alignment of optical fibers to light emitting diodes
Patent number
3,968,564
Issue date
Jul 13, 1976
Northern Electric Company Limited
Anthony John Springthorpe
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
BURIED HETEROSTRUCTURE SEMICONDUCTOR LASER AND METHOD OF MANUFACTURE
Publication number
20230352912
Publication date
Nov 2, 2023
National Research Council of Canada
Omid Salehzadeh EINABAD
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Confinement layer of buried heterostructure semiconductor laser
Publication number
20040013143
Publication date
Jan 22, 2004
Anthony J. Springthorpe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Structure and method for doping of III-V compounds
Publication number
20020081764
Publication date
Jun 27, 2002
Anthony J. Springthorpe
B82 - NANO-TECHNOLOGY