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Keith D. Anderson
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Ottawa, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Reflective LC devices including thin film metal grating
Patent number
10,473,839
Issue date
Nov 12, 2019
Lumentum Operations LLC
Keith Anderson
G02 - OPTICS
Information
Patent Grant
Reflective LC devices including thin film metal grating
Patent number
9,588,374
Issue date
Mar 7, 2017
Lumentum Operations LLC
Keith Anderson
G02 - OPTICS
Information
Patent Grant
MEMS micromirror devices with anti-reflective structures
Patent number
7,903,318
Issue date
Mar 8, 2011
JDS Uniphase Corporation
Abdul Jaleel K. Moidu
B32 - LAYERED PRODUCTS
Information
Patent Grant
Apparatus for gripping ceramic substrates
Patent number
6,409,241
Issue date
Jun 25, 2002
Nortel Networks Limited
Richard P. Hughes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Alignment method for semiconductor optical devices upon carriers
Patent number
6,287,401
Issue date
Sep 11, 2001
Nortel Networks Limited
Keith D. Anderson
G02 - OPTICS
Information
Patent Grant
Variable optical attenuator with profiled blade
Patent number
6,246,826
Issue date
Jun 12, 2001
Nortel Networks Limited
Sean Sebastian O'Keefe
G02 - OPTICS
Information
Patent Grant
Thermoelectric cooler control circuit
Patent number
6,094,918
Issue date
Aug 1, 2000
Nortel Networks Corporation
Douglas Stephen Burbidge
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Broadband input buffered ATM switch
Patent number
5,241,536
Issue date
Aug 31, 1993
Northern Telecom Limited
Kenneth N. Grimble
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-path optical fiber and electro-optic transducer connector
Patent number
5,050,953
Issue date
Sep 24, 1991
Northern Telecom Limited
Keith D. Anderson
G02 - OPTICS
Information
Patent Grant
Optical disc having protective cover
Patent number
4,672,600
Issue date
Jun 9, 1987
Northern Telecom Limited
Neil K. Balston
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Dual wavelength optical system
Patent number
4,502,762
Issue date
Mar 5, 1985
Northern Telecom Limited
Keith D. Anderson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
REFLECTIVE LC DEVICES INCLUDING THIN FILM METAL GRATING
Publication number
20170168339
Publication date
Jun 15, 2017
Lumentum Operations LLC
Keith Anderson
G02 - OPTICS
Information
Patent Application
REFLECTIVE LC DEVICES INCLUDING THIN FILM METAL GRATING
Publication number
20150234221
Publication date
Aug 20, 2015
Keith ANDERSON
G02 - OPTICS
Information
Patent Application
MEMS MICROMIRROR DEVICES WITH ANTI-REFLECTIVE STRUCTURES
Publication number
20090190202
Publication date
Jul 30, 2009
Abdul Jaleel K. Moidu
G02 - OPTICS
Information
Patent Application
Electrochromic optical attenuator
Publication number
20020067905
Publication date
Jun 6, 2002
NORTEL NETWORKS LIMITED
Charles Douglas MacPherson
G02 - OPTICS
Information
Patent Application
Variable optical attenuator with profiled blade
Publication number
20010033731
Publication date
Oct 25, 2001
Sean Sebastian O'Keefe
G02 - OPTICS