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Pieter Postma
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Eindhover, NL
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last 30 patents
Information
Patent Grant
Discharge lamp operating circuit using piezoelectric transformer an...
Patent number
6,111,765
Issue date
Aug 29, 2000
U.S. Philips Corporation
Hans G. Ganser
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Inventer-ballast using a piezoelectric transformer
Patent number
6,104,141
Issue date
Aug 15, 2000
U.S. Philips Corporation
Hans G. Ganser
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrodeless low-pressure discharge lamp
Patent number
4,728,867
Issue date
Mar 1, 1988
U.S. Philips Corporation
Pieter Postma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodeless low-pressure discharge lamp
Patent number
4,727,294
Issue date
Feb 23, 1988
U.S. Philips Corporation
Henk Houkes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodeless low-pressure discharge lamp
Patent number
4,727,295
Issue date
Feb 23, 1988
U.S. Philips Corporation
Pieter Postma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodeless low-pressure discharge lamp
Patent number
4,710,678
Issue date
Dec 1, 1987
U.S. Philips Corporation
Henk Houkes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodeless metal vapor discharge lamp with minimized electrical...
Patent number
4,704,562
Issue date
Nov 3, 1987
U.S. Philips Corporation
Pieter Postma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodeless low-pressure discharge lamp
Patent number
4,661,746
Issue date
Apr 28, 1987
U.S. Philips Corporation
Pieter Postma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Discharge lamp with interference shielding
Patent number
4,568,859
Issue date
Feb 4, 1986
U.S. Philips Corporation
Henk Houkes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodeless gas discharge lamp having heat conductor disposed wit...
Patent number
4,536,675
Issue date
Aug 20, 1985
U.S. Philips Corporation
Pieter Postma
H01 - BASIC ELECTRIC ELEMENTS