Willibrordus H. M. M. Van De Spijker

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Luminescent converter for a phosphor-enhanced light source
- Patent number 9,754,776
- Issue date Sep 5, 2017
- Philips Lighting Holding B.V.
- Cornelia Titia Staats
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric lamp with adhesion layer and interference layer
- Patent number 5,680,001
- Issue date Oct 21, 1997
- U.S. Philips Corporation
- Cornelis A.M. Mulder
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...