Detlef Hoffmann

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electro-optic mach-zehnder modulator and method for fabricating an...
- Patent number 10,247,998
- Issue date Apr 2, 2019
- Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung E.V.
- Karl-Otto Velthaus
- G02 - OPTICS
Information Patent Grant
Electro-optic modulators
- Patent number 9,140,955
- Issue date Sep 22, 2015
- Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung E.V.
- Detlef Hoffmann
- G02 - OPTICS
Information Patent Grant
Apparatus for the electrical function testing of wiring matrices, p...
- Patent number 5,148,102
- Issue date Sep 15, 1992
- Siemens Aktiengesellschaft
- Thomas Rose
- G01 - MEASURING TESTING
Information Patent Grant
Drive device for an apparatus for electrical function testing of wi...
- Patent number 4,967,149
- Issue date Oct 30, 1990
- Siemens Aktiengesellschaft
- Guenter Doemens
- G01 - MEASURING TESTING
Information Patent Grant
Arrangement for polarization control, such as for an optical hetero...
- Patent number 4,856,094
- Issue date Aug 8, 1989
- Siemens Aktiengesellschaft
- Helmut Heidrich
- G02 - OPTICS
Information Patent Grant
Apparatus for continuous polarization and phase control
- Patent number 4,832,431
- Issue date May 23, 1989
- Siemens Aktiengesellschaft
- Hans-Peter Nolting
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRO-OPTIC MODULATORS
- Publication number 20140369637
- Publication date Dec 18, 2014
- Detlef Hoffmann
- G02 - OPTICS
Information Patent Application
ELECTRO-OPTIC MACH-ZEHNDER MODULATOR AND METHOD FOR FABRICATING AN...
- Publication number 20140199014
- Publication date Jul 17, 2014
- Fraunhofer Gesellschaft zur Foerderung angewandten Forschung e.V.
- Karl-Otto Velthaus
- G02 - OPTICS