Dietrich Ristow

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Neubiberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a field effect transistor using an auxilia...
- Patent number 5,960,269
- Issue date Sep 28, 1999
- Siemens Aktiengesellschaft
- Dietrich Ristow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing a field effect transistor
- Patent number 5,298,444
- Issue date Mar 29, 1994
- Siemens Aktiengesellschaft
- Dietrich Ristow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal-semiconductor-field effect transistor (MESFET) with lightly d...
- Patent number 4,425,573
- Issue date Jan 10, 1984
- Siemens Aktiengesellschaft
- Dietrich Ristow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing very thin semiconductor chips
- Patent number 4,389,280
- Issue date Jun 21, 1983
- Siemens Aktiengesellschaft
- Jan-Erik Mueller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a MESFET having same type conductivity for source,...
- Patent number 4,325,747
- Issue date Apr 20, 1982
- Siemens Aktiengesellschaft
- Dietrich Ristow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High cut-off frequency planar Schottky diode having a plurality of...
- Patent number 4,292,643
- Issue date Sep 29, 1981
- Siemens Aktiengesellschaft
- Walter Kellner
- H01 - BASIC ELECTRIC ELEMENTS