David R. Selviah

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Bedford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Optical wavelength division multiplexed multiplexer/demultiplexer f...
- Patent number 8,007,965
- Issue date Aug 30, 2011
- Xyratex Technology Limited
- Richard Charles Alexander Pitwon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical printed circuit board and manufacturing method
- Patent number 7,936,953
- Issue date May 3, 2011
- Xyratex Technology Limited
- Ian David Johnson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical wavelength division multiplexed multiplexer/demultiplexer f...
- Patent number 7,805,033
- Issue date Sep 28, 2010
- Xyratex Technology Limited
- Richard Charles Alexander Pitwon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVELENGTH DIVISION MULTIPLEXED MULTIPLEXER/DEMULTIPLEXER F...
- Publication number 20100290737
- Publication date Nov 18, 2010
- XYRATEX TECHNOLOGY LIMITED
- Richard Charles Alexander PITWON
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD
- Publication number 20090162004
- Publication date Jun 25, 2009
- XYRATEX TECHNOLOGY LIMITED
- Ian David Johnson
- G02 - OPTICS
Information Patent Application
OPTICAL WAVELENGTH DIVISION MULTIPLEXED MULTIPLEXER/DEMULTIPLEXER F...
- Publication number 20080107417
- Publication date May 8, 2008
- XYRATEX TECHNOLOGY LIMITED
- Richard Charles Alexander Pitwon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE