Michel Thirouard

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Optical device containing a semiconductor laser
- Patent number 4,562,350
- Issue date Dec 31, 1985
- Thomson-CSF
- Michel Thirouard
- G02 - OPTICS
Information Patent Grant
Moving system for a videodisk reader-recorder
- Patent number 4,414,657
- Issue date Nov 8, 1983
- Thomson-CSF
- Louis Arquie
- G11 - INFORMATION STORAGE
Information Patent Grant
Protected optical disc
- Patent number 4,380,016
- Issue date Apr 12, 1983
- Thomson-CSF
- Jean-Claude Lehureau
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser source optical reading head
- Patent number 4,345,321
- Issue date Aug 17, 1982
- Thomson-CSF
- Louis Arquie
- G11 - INFORMATION STORAGE
Information Patent Grant
Stigmatic optical device and an optical recording head equipped wit...
- Patent number 4,334,300
- Issue date Jun 8, 1982
- Thomson-CSF
- Louis Arquie
- G02 - OPTICS
Information Patent Grant
Protected optical disc
- Patent number 4,308,545
- Issue date Dec 29, 1981
- Thomson-CSF
- Jean-Claude Lehureau
- G11 - INFORMATION STORAGE