Jean-Louis Lievin

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of localized treatment on a projection, in particular for li...
- Patent number 5,283,209
- Issue date Feb 1, 1994
- Alcatel N.V.
- Francis Poingt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Semiconductor laser with a saturable absorber
- Patent number 5,283,799
- Issue date Feb 1, 1994
- Alcatel N.V.
- Joel Jacquet
- G02 - OPTICS
Information Patent Grant
Method of manufacturing a planar buried heterojunction laser
- Patent number 5,278,094
- Issue date Jan 11, 1994
- Alcatel N.V.
- Jean-Louis Lievin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a planar buried heterojunction laser
- Patent number 5,215,939
- Issue date Jun 1, 1993
- Alcatel N.V.
- Leon Goldstein
- H01 - BASIC ELECTRIC ELEMENTS