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Wolfgang Thulke
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Munich, DE
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last 30 patents
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Patent Grant
Modulatable laser diode for high frequencies
Patent number
5,333,141
Issue date
Jul 26, 1994
Siemens Aktiengesellschaft
Thomas Wolf
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tunable semiconductor laser on a semi-insulating substrate
Patent number
5,260,960
Issue date
Nov 9, 1993
Siemens Aktiengesellschaft
Markus-Christian Amann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
TTG-DFB laser diode
Patent number
5,222,087
Issue date
Jun 22, 1993
Siemens Aktiengesellschaft
Wolfgang Thulke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithically integrated laser-diode-waveguide combination
Patent number
5,208,878
Issue date
May 4, 1993
Siemens Aktiengesellschaft
Wolfgang Thulke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laser diode with buried active layer and lateral current limitation
Patent number
5,027,364
Issue date
Jun 25, 1991
Siemens Aktiengesellschaft
Wolfgang Thulke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tunable semiconductor laser
Patent number
5,008,893
Issue date
Apr 16, 1991
Siemens Aktiengesellschaft
Markus-Christian Amann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and manufacturing a laser diode with buried active layer
Patent number
4,963,507
Issue date
Oct 16, 1990
Siemens Aktiengesellschaft
Markus-Christian Amann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing of integrated DFB laser with coupled strip...
Patent number
4,656,636
Issue date
Apr 7, 1987
Siemens Aktiengesellschaft
Markus-Christian Amann
H01 - BASIC ELECTRIC ELEMENTS