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Wilma Van Es-Spiekman
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Eindhoven, NL
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last 30 patents
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Patent Grant
Optical amplifier having gain at two separated wavelengths
Patent number
5,196,958
Issue date
Mar 23, 1993
U.S. Philips Corporation
Bastiaan H. Verbeek
B82 - NANO-TECHNOLOGY
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Patent Grant
Coating for DFB/DBR laser diodes
Patent number
4,951,292
Issue date
Aug 21, 1990
U.S. Philips Corp.
Pieter I. Kuindersma
H01 - BASIC ELECTRIC ELEMENTS