Philippe Gravey

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Lannion, FR

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal optical switch with burnt-in control
- Patent number 7,136,548
- Issue date Nov 14, 2006
- France Telecom
- Bruno Vinouze
- G02 - OPTICS
Information Patent Grant
Optical switch based on light spatial modulators
- Patent number 6,714,339
- Issue date Mar 30, 2004
- France Telecom
- Stéphane Gosselin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of manufacturing arrays of monomode fibers
- Patent number 6,208,786
- Issue date Mar 27, 2001
- France Telecom
- Léon Bonnel
- G02 - OPTICS
Information Patent Grant
Photorefractive device having an electro-optical material between t...
- Patent number 5,539,542
- Issue date Jul 23, 1996
- France Telecom
- Gilbert Picoli
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Quantum well heterostructure optical operator
- Patent number 5,521,398
- Issue date May 28, 1996
- France Telecom
- Nikolaos Pelekanos
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Liquid crystal device for the space modulation of light with active...
- Publication number 20050024569
- Publication date Feb 3, 2005
- OPTOGONE
- Philippe Gravey
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal optical switch with bumt-in control
- Publication number 20050018954
- Publication date Jan 27, 2005
- Bruno Vinouze
- G02 - OPTICS
Information Patent Application
Optical switch based on light spatial modulators
- Publication number 20030161028
- Publication date Aug 28, 2003
- Stephane Gosselin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE