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Ivan Haller
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Chappaqua, NY, US
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last 30 patents
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Patent Grant
Easily manufacturable thin film transistor structures
Patent number
5,254,488
Issue date
Oct 19, 1993
International Business Machines Corporation
Ivan Haller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Easily manufacturable thin film transistor structures
Patent number
4,888,632
Issue date
Dec 19, 1989
International Business Machines Corporation
Ivan Haller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Structure containing hydrogenated amorphous silicon and process
Patent number
4,741,964
Issue date
May 3, 1988
International Business Machines Corporation
Ivan Haller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for preparing positive resist image
Patent number
3,984,582
Issue date
Oct 5, 1976
IBM
Ralph Feder
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY