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Cedric Lam
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Irvine, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Optical ring networks using circulating optical probe in protection...
Patent number
8,139,476
Issue date
Mar 20, 2012
Vello Systems, Inc.
Winston I. Way
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for flexible multiple broadcast service delivery over a WDM...
Patent number
7,860,393
Issue date
Dec 28, 2010
AT&T Intellectual Property I, L.P.
Martin Birk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for flexible multiple broadcast service delivery over a WDM...
Patent number
7,725,028
Issue date
May 25, 2010
AT&T Intellectual Property I, L.P.
Martin Birk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for flexible multiple broadcast service delivery over a WDM...
Patent number
7,466,919
Issue date
Dec 16, 2008
AT&T Corp.
Martin Birk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength allocation in regional access network with optical add-d...
Patent number
7,466,918
Issue date
Dec 16, 2008
AT&T Corporation
Cedric F. Lam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Delivering multicast services on a wavelength division multiplexed...
Patent number
7,366,417
Issue date
Apr 29, 2008
AT&T Corp.
Mark D. Feuer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength allocation in regional access network with optical add-d...
Patent number
7,286,760
Issue date
Oct 23, 2007
AT & T, Corp.
Cedric F. Lam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of flexible multiple broadcast service delivery over a WDM p...
Patent number
7,286,761
Issue date
Oct 23, 2007
AT&T Corp.
Martin Birk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for mitigating the effects of fiber dispersion by separate d...
Patent number
7,127,181
Issue date
Oct 24, 2006
AT&T Corp.
Alan H. Gnauck
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for flexible multiple broadcast service delivery over a WDM...
Patent number
7,085,495
Issue date
Aug 1, 2006
AT&T Corp.
Martin Birk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Delivering multicast services on a wavelength division multiplexed...
Patent number
7,027,733
Issue date
Apr 11, 2006
AT&T Corp.
Mark D. Feuer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diversity receiver for mitigating the effects of fiber dispersion b...
Patent number
6,959,154
Issue date
Oct 25, 2005
AT&T Corp.
Alan H. Gnauck
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power spectrum monitoring and management in a wavelength division m...
Patent number
6,871,020
Issue date
Mar 22, 2005
AT&T Corp.
Mikhail Boroditsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Four-port wavelength-selective crossbar switches (4WCS) using recip...
Patent number
6,751,372
Issue date
Jun 15, 2004
AT&T Corp.
Mark D. Feuer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple input waveguide grating router for broadcast and multicast...
Patent number
6,697,574
Issue date
Feb 24, 2004
AT&T Corp.
Nicholas J. Frigo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for single-sideband optical signal generation and...
Patent number
6,661,976
Issue date
Dec 9, 2003
AT&T Corp.
Alan H. Gnauck
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Optical ring networks using circulating optical probe in protection...
Publication number
20070086332
Publication date
Apr 19, 2007
Winston I. Way
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Delivering multicast services on a wavelength division multiplexed...
Publication number
20060153563
Publication date
Jul 13, 2006
Mark D. Feuer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System for mitigating the effects of fiber dispersion by separate d...
Publication number
20050271393
Publication date
Dec 8, 2005
Alan H. Gnauck
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Four-port wavelength-selective crossbar switches (4WCS) using recip...
Publication number
20050226620
Publication date
Oct 13, 2005
Mark D. Feuer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical ring networks with failure protection mechanisms
Publication number
20050158047
Publication date
Jul 21, 2005
Winston I. Way
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Delivering multicast services on a wavelength division multiplexed...
Publication number
20020131117
Publication date
Sep 19, 2002
AT&T Corporation
Mark D. Feuer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Four-port wavelength-selective crossbar switches (4WCS) using recip...
Publication number
20020131689
Publication date
Sep 19, 2002
AT&T Corporation
Mark D. Feuer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for flexible multiple broadcast service delivery over a WDM...
Publication number
20020093710
Publication date
Jul 18, 2002
Martin Birk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System for flexible multiple broadcast service delivery over a WDM...
Publication number
20020033977
Publication date
Mar 21, 2002
Martin Birk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multiple input waveguide grating router for broadcast and multicast...
Publication number
20020015204
Publication date
Feb 7, 2002
Nicholas J. Frigo
H04 - ELECTRIC COMMUNICATION TECHNIQUE