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Alan Fielding
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Herts, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Arrayed waveguide grating
Patent number
6,522,811
Issue date
Feb 18, 2003
Nortel Networks Limited
James E. Whiteaway
G02 - OPTICS
Information
Patent Grant
Optical arrayed waveguide grating devices
Patent number
6,374,013
Issue date
Apr 16, 2002
Nortel Networks Limited
James E Whiteaway
G02 - OPTICS
Information
Patent Grant
Optical arrayed waveguide grating devices
Patent number
6,266,464
Issue date
Jul 24, 2001
Nortel Networks Limited
Stephen Day
G02 - OPTICS
Information
Patent Grant
WDM channel insertion
Patent number
5,786,914
Issue date
Jul 28, 1998
Northern Telecom Limited
Alan Fielding
G02 - OPTICS
Information
Patent Grant
Optical fibre Bragg distributed gratings
Patent number
5,633,965
Issue date
May 27, 1997
Northern Telecom Limited
Terry Bricheno
G02 - OPTICS
Information
Patent Grant
Optical fibre amplifier
Patent number
5,513,033
Issue date
Apr 30, 1996
Northern Telecom Limited
Terry Bricheno
G02 - OPTICS
Information
Patent Grant
Optical waveguide gain-shaped amplifier including wavelength multip...
Patent number
5,416,865
Issue date
May 16, 1995
Northern Telecom Limited
Alan Fielding
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polarization insensitive wavelength multiplexing 2.times.2 fibre co...
Patent number
5,408,555
Issue date
Apr 18, 1995
Northern Telecom Limited
Alan Fielding
G02 - OPTICS
Information
Patent Grant
Single mode couplers
Patent number
4,950,045
Issue date
Aug 21, 1990
STC PLC
Terry Bricheno
G02 - OPTICS
Information
Patent Grant
Active optical fibre star coupler
Patent number
4,863,231
Issue date
Sep 5, 1989
STC PLC
Kevin C. Byron
G02 - OPTICS
Information
Patent Grant
Single mode fibre directional coupler manufacture
Patent number
4,591,372
Issue date
May 27, 1986
Standard Telephones & Cables Public Ltd. Co.
Terry Bricheno
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Arrayed waveguide grating
Publication number
20020131705
Publication date
Sep 19, 2002
James E. Whiteaway
G02 - OPTICS