Henri Derewonko

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Voisins le Bretonneux, FR

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Patents Grantslast 30 patents

Information Patent Grant
Field-effect semiconductor device comprising an ancillary electrode
- Patent number 4,977,434
- Issue date Dec 11, 1990
- Thomson Hybrides et Microondes
- Daniel Delagebeaudeuf
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Encapsulated low-noise ultra-high frequency semiconductor device
- Patent number 4,872,049
- Issue date Oct 3, 1989
- Thomson Hybrides et Microondes
- Henri Derewonko
- H01 - BASIC ELECTRIC ELEMENTS