Gerd Riha

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Surface wave arrangement with conversion structure for preventing u...
- Patent number 5,126,706
- Issue date Jun 30, 1992
- Siemens Aktiengesellschaft
- Bernd Fleischmann
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electric filter employing acoustic waves
- Patent number 4,672,339
- Issue date Jun 9, 1987
- Siemens Aktiengesellschaft
- Peter Zibis
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic component functioning with reflected acoustic waves
- Patent number 4,618,841
- Issue date Oct 21, 1986
- Siemens Aktiengesellschaft
- Gerd Riha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic component functioning with reflected acoustic waves
- Patent number 4,521,751
- Issue date Jun 4, 1985
- Siemens Aktiengesellschaft
- Gerd Riha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic component functioning with reflected acoustic waves
- Patent number 4,520,330
- Issue date May 28, 1985
- Siemens Aktiengesellschaft
- Gerd Riha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic component operating with acoustic waves
- Patent number 4,484,160
- Issue date Nov 20, 1984
- Siemens Aktiengesellschaft
- Gerd Riha
- H03 - BASIC ELECTRONIC CIRCUITRY