David WILLIAMS

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Bath, GB

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Patents Grantslast 30 patents

Information Patent Grant
Birefringent photonic bandgap optical waveguide
- Patent number 7,805,038
- Issue date Sep 28, 2010
- NKT Photonics A/S
- David Philip Williams
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical waveguide
- Patent number 7,532,798
- Issue date May 12, 2009
- Crystal Fibre A/S
- David Philip Williams
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Photonic bandgap optical waveguide with anti-resonant core boundary
- Patent number 7,346,249
- Issue date Mar 18, 2008
- Crystal Fibre A/S
- Philip St. John Russell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical waveguide
- Patent number 7,321,712
- Issue date Jan 22, 2008
- Crystal Fibre A/S
- David Philip Williams
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Enhanced optical waveguide
- Patent number 7,305,164
- Issue date Dec 4, 2007
- Crystal Fibre A/S
- David Philip Williams
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE ARTICLES
- Publication number 20150158208
- Publication date Jun 11, 2015
- The University of Bristol
- David WILLIAMS
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
OPTICAL WAVEGUIDE
- Publication number 20080138023
- Publication date Jun 12, 2008
- CRYSTAL FIBRE A/S
- David Philip Williams
- G02 - OPTICS
Information Patent Application
Photonic bandgap optical waveguidewith anti-resonant core boundary
- Publication number 20070009216
- Publication date Jan 11, 2007
- Crystal Fibre A/S
- Philip St. John Russell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Birefringent photonic bandgap optical waveguide
- Publication number 20060177187
- Publication date Aug 10, 2006
- Crystal Fibre A/S
- David Philip Williams
- G02 - OPTICS
Information Patent Application
Photonic bandgap optical waveguide
- Publication number 20060088260
- Publication date Apr 27, 2006
- David Philip Williams
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical waveguide
- Publication number 20050276556
- Publication date Dec 15, 2005
- Crystal Fibre A/S
- David Philip Williams
- G02 - OPTICS