Rudolf Alexander Van Doorn

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Recording device with temperature-dependent write-current control
- Patent number 5,455,717
- Issue date Oct 3, 1995
- U.S. Philips Corporation
- Rudolf A. Van Doorn
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording device with temperature-dependent write current control
- Patent number 5,408,365
- Issue date Apr 18, 1995
- U.S. Philips Corporation
- Rudolf A. Van Doorn
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a thin-film magnetic head and magnetic head
- Patent number 5,217,819
- Issue date Jun 8, 1993
- U.S. Philips Corporation
- James R. Peterson
- G11 - INFORMATION STORAGE
Information Patent Grant
Energizing circuit for a visual display element
- Patent number 3,938,131
- Issue date Feb 10, 1976
- U.S. Philips Corporation
- Rudolf Alexander Van Doorn
- G02 - OPTICS