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David John NICHOLSON
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Ottawa, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-segment ring modulator
Patent number
9,784,995
Issue date
Oct 10, 2017
Ranovus Inc.
Juergen Hauenschild
G02 - OPTICS
Information
Patent Grant
Single laser multi-frequency transmitter
Patent number
9,389,365
Issue date
Jul 12, 2016
Ranovus Inc.
David John Nicholson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transparent transport
Patent number
6,298,038
Issue date
Oct 2, 2001
Nortel Networks Limited
David Wright Martin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network architectures with transparent transport capabilities
Patent number
6,205,158
Issue date
Mar 20, 2001
Nortel Networks Limited
David Wright Martin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transparent multiplexer/demultiplexer
Patent number
5,841,760
Issue date
Nov 24, 1998
Northern Telecom Limited
David Wright Martin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communications system with a single protection loop
Patent number
5,365,510
Issue date
Nov 15, 1994
Northern Telecom Limited
David J. Nicholson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ring transmission system
Patent number
5,159,595
Issue date
Oct 27, 1992
Northern Telecom Limited
Thomas P. J. Flanagan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Binary data regenerator with adaptive threshold level
Patent number
4,823,360
Issue date
Apr 18, 1989
Northern Telecom Limited
Yves Tremblay
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MULTI-SEGMENT RING MODULATOR
Publication number
20170176779
Publication date
Jun 22, 2017
RANOVUS INC.
Juergen HAUENSCHILD
G02 - OPTICS
Information
Patent Application
SINGLE LASER MULTI-FREQUENCY TRANSMITTER
Publication number
20150323743
Publication date
Nov 12, 2015
RANOVUS INC.
David John NICHOLSON
G02 - OPTICS
Information
Patent Application
DISCRETELY TUNABLE LOCALLY SEEDED LASER DEVICE
Publication number
20140050237
Publication date
Feb 20, 2014
RANOVUS INC.
Bin CAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Architecture for a photonic transport network
Publication number
20020186432
Publication date
Dec 12, 2002
Peter David Roorda
H04 - ELECTRIC COMMUNICATION TECHNIQUE