Peter D Roorda

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Hertfordshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Integrated photonic switch
- Patent number 7,106,966
- Issue date Sep 12, 2006
- Nortel Networks Limited
- Frederick J. Lalonde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Constrained optical mesh protection for transmission systems
- Patent number 6,643,464
- Issue date Nov 4, 2003
- Nortel Networks Limited
- Peter Roorda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch for optical signals
- Patent number 6,606,427
- Issue date Aug 12, 2003
- Nortel Networks Limited
- Alan F. Graves
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed optical switching device
- Patent number 6,396,969
- Issue date May 28, 2002
- Nortel Networks Limited
- Adrian P Sparks
- H04 - ELECTRIC COMMUNICATION TECHNIQUE