Helmut Keser

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Ennetbaden, CH

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Patents Grantslast 30 patents

Information Patent Grant
Power semiconductor module
- Patent number 5,705,853
- Issue date Jan 6, 1998
- Asea Brown Boveri AG
- Kurt Faller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pressure-contacted semiconductor component
- Patent number 5,063,436
- Issue date Nov 5, 1991
- ASEA Brown Boveri Ltd.
- Horst Gruning
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for diffusing aluminum
- Patent number 4,720,469
- Issue date Jan 19, 1988
- BBC Brown, Boveri & Company, Limited
- Helmut Keser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for the bubble-free joining of a large-area semiconductor co...
- Patent number 4,650,107
- Issue date Mar 17, 1987
- BBC Brown, Boveri & Company, Limited
- Helmut Keser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for directly joining metal pieces to oxide-ceramic substrates
- Patent number 4,483,810
- Issue date Nov 20, 1984
- Brown, Boveri & Cie AG
- Klaus Bunk
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR