Ian Hardcastle

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Harlow, GB

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Patents Grantslast 30 patents

Information Patent Grant
Telecommunications system power supply
- Patent number 6,496,626
- Issue date Dec 17, 2002
- Nortel Networks Limited
- Robert Spagnoletti
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical partial regeneration of solitons
- Patent number 6,222,669
- Issue date Apr 24, 2001
- Nortel Networks Limited
- Kim B. Roberts
- G02 - OPTICS
Information Patent Grant
Optical network loss-of-signal detection
- Patent number 6,178,025
- Issue date Jan 23, 2001
- Nortel Networks Limited
- Ian Hardcastle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for conditioning optical solitons
- Patent number 6,130,767
- Issue date Oct 10, 2000
- Nortel Networks Limited
- Jonathan Paul King
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add/drop multiplexer/demultiplexer
- Patent number 6,101,012
- Issue date Aug 8, 2000
- Nortel Networks Corporation
- David John Danagher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add/drop multiplexer/demultiplexer
- Patent number 5,959,749
- Issue date Sep 28, 1999
- Nortel Networks Corporation
- David John Danagher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 5,422,752
- Issue date Jun 6, 1995
- Northern Telecom Limited
- Ian Hardcastle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Transmission system with enhanced repeaters
- Publication number 20020080447
- Publication date Jun 27, 2002
- Julian Fells
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telecommunications system power supply
- Publication number 20020081081
- Publication date Jun 27, 2002
- Robert Spagnoletti
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC