Gerhard Trippel

Person

Sindelfingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Manufacturing process for grooved substrates and multilayer structure
- Patent number 5,498,445
- Issue date Mar 12, 1996
- International Business Machines Inc.
- Werner Steiner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
System for stamping an optical storage disk
- Patent number 5,427,599
- Issue date Jun 27, 1995
- International Business Machines Corporation
- Johann Greschner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing an optical Storage disk
- Patent number 5,213,600
- Issue date May 25, 1993
- International Business Machines Corp.
- Johann Greschner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for characterizing magnetic coating compositio...
- Patent number 4,785,239
- Issue date Nov 15, 1988
- International Business Machines Corporation
- Arwed Brunsch
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic disk and method of making same
- Patent number 4,710,424
- Issue date Dec 1, 1987
- International Business Machines Corporation
- Upali Bandara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of determining dispersion, particle density or viscosity of...
- Patent number 4,651,092
- Issue date Mar 17, 1987
- International Business Machines Corporation
- Arwed Brunsch
- G01 - MEASURING TESTING
Information Patent Grant
Method of measuring the thickness of the removed layer in subtracti...
- Patent number 4,512,847
- Issue date Apr 23, 1985
- International Business Machines Corporation
- Arwed Brunsch
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of producing a metallic thin film magnetic disk
- Patent number 4,426,265
- Issue date Jan 17, 1984
- International Business Machines Corporation
- Arwed Brunsch
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for fabricating a multi-layer magnetic thin film disk
- Patent number 4,356,066
- Issue date Oct 26, 1982
- International Business Machines Corporation
- Helmut Kienle
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for measuring magnetostriction constant
- Patent number 4,310,798
- Issue date Jan 12, 1982
- International Business Machines Corporation
- Arwed Brunsch
- G01 - MEASURING TESTING

Gerhard Trippel

Person

Patents Grantslast 30 patents

Manufacturing process for grooved substrates and multilayer structure

System for stamping an optical storage disk

Method of manufacturing an optical Storage disk

Method and apparatus for characterizing magnetic coating compositio...

Magnetic disk and method of making same

Method of determining dispersion, particle density or viscosity of...

Method of measuring the thickness of the removed layer in subtracti...

Method of producing a metallic thin film magnetic disk

Process for fabricating a multi-layer magnetic thin film disk

Apparatus for measuring magnetostriction constant