Stefan Barbu

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Caen, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing conductive electrodes for a circuit element...
- Patent number 4,903,115
- Issue date Feb 20, 1990
- U.S. Philips Corporation
- Stefan Barbu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency differential amplifier stage and amplifier comprisin...
- Patent number 4,769,616
- Issue date Sep 6, 1988
- U.S. Philips Corporation
- Stefan Barbu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of manufacturing conductive electrodes for a circuit element...
- Patent number 4,749,442
- Issue date Jun 7, 1988
- U.S. Philips Corporation
- Stefan Barbu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency amplifier
- Patent number 4,703,284
- Issue date Oct 27, 1987
- U.S. Philips Corporation
- Stefan Barbu
- H03 - BASIC ELECTRONIC CIRCUITRY