Volker Graf

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Wollerau, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of making artificial layered high T.sub.c superconductors
- Patent number 5,439,876
- Issue date Aug 8, 1995
- International Business Machines Corporation
- Volker Graf
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for the epitaxial growth of a semiconductor structure
- Patent number 5,037,776
- Issue date Aug 6, 1991
- International Business Machines Corporation
- Yvan Galeuchet
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for producing undercut dummy gate mask profiles for MESFETs
- Patent number 4,732,871
- Issue date Mar 22, 1988
- International Business Machines Corporation
- Peter L. Buchmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low temperature tunneling transistor
- Patent number 4,647,954
- Issue date Mar 3, 1987
- International Business Machines Corporation
- Volker Graf
- H01 - BASIC ELECTRIC ELEMENTS