Walter Heywang

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Neukeferloh, DE

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for coupling a laser diode and a monomode light wavegui...
- Patent number 4,812,005
- Issue date Mar 14, 1989
- Siemens Aktiengesellschaft
- Walter Heywang
- G02 - OPTICS
Information Patent Grant
Electro-optical modulator having a monomode light waveguide modulator
- Patent number 4,789,213
- Issue date Dec 6, 1988
- Siemens Aktiengesellschaft
- Walter Heywang
- G02 - OPTICS
Information Patent Grant
Arrangement for coupling a laser diode to a monomode light waveguid...
- Patent number 4,763,979
- Issue date Aug 16, 1988
- Siemens Aktiengesellschaft
- Walter Heywang
- G02 - OPTICS
Information Patent Grant
Burglar alarm device
- Patent number 4,275,390
- Issue date Jun 23, 1981
- Siemens Aktiengesellschaft
- Walter Heywang
- G08 - SIGNALLING
Information Patent Grant
Method of purifying germanium bodies
- Patent number 4,165,249
- Issue date Aug 21, 1979
- Siemens Aktiengesellschaft
- Walter Heywang
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for making a semiconductor component with electrical contacts
- Patent number 4,164,811
- Issue date Aug 21, 1979
- Siemens Aktiengesellschaft
- Walter Heywang
- H01 - BASIC ELECTRIC ELEMENTS