Hendrikus albertus adrianus maria de Ruijter

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Adjustable illumination devices
- Patent number 9,580,644
- Issue date Feb 28, 2017
- Philips Lighting Holding B.V.
- Gongming Wei
- G02 - OPTICS
Information Patent Grant
Room divider with illuminated light guide blind blade
- Patent number 9,116,276
- Issue date Aug 25, 2015
- Koninklijke Philips N.V.
- Vincent Johannes Jacobus van Montfort
- F21 - LIGHTING