Inventor
MARRA JOHANNES
NL19 patents
⚠️ This page may combine multiple inventors who share the name “MARRA JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONINKL PHILIPS ELECTRONICS NV
7 patentsUS6413303B2Jul 2, 2002
Activated carbon air filters
KONINKL PHILIPS ELECTRONICS NV60 citations93
US6653997B2Nov 25, 2003
Display device comprising a light guide
KONINKL PHILIPS ELECTRONICS NV59 citations92
US7068910B2Jun 27, 2006
Light generating device having polarized light emitting waveguide plate
KONINKL PHILIPS ELECTRONICS NV39 citations91
US6956332B2Oct 18, 2005
Display device comprising a light guide
KONINKL PHILIPS ELECTRONICS NV9 citations70
US7222994B2May 29, 2007
Illumination system
KONINKL PHILIPS ELECTRONICS NV4 citations62
US7128443B2Oct 31, 2006
Light-collimating system
KONINKL PHILIPS ELECTRONICS NV3 citations62
US7314292B2Jan 1, 2008
Lighting device
KONINKL PHILIPS ELECTRONICS NV3 citations54
PHILIPS CORP
5 patentsUS6251171B1Jun 26, 2001
Air cleaner
PHILIPS CORP88 citations97
US5271774ADec 21, 1993
Method for removing in a centrifuge a liquid from a surface of a substrate
PHILIPS CORP206 citations95
US5966426AOct 12, 1999
X-ray examination apparatus including an x-ray filter
PHILIPS CORP27 citations91
US6071479AJun 6, 2000
Air filtration device
PHILIPS CORP42 citations87
US5507108AApr 16, 1996
Steam iron with scale prevention
PHILIPS CORP26 citations85
KONINKLIJKE PHILIPS NV
5 patentsUS11399652B2Aug 2, 2022
Method and device for providing a coffee beverage with reduced terpene content
KONINKLIJKE PHILIPS NV3 citations70
US11672375B2Jun 13, 2023
Coffee brewing
KONINKLIJKE PHILIPS NV3 citations68
US11555626B2Jan 17, 2023
Ventilation unit, system and method
KONINKLIJKE PHILIPS NV0 citations52
US11413628B2Aug 16, 2022
Electrostatic particle filtering
KONINKLIJKE PHILIPS NV0 citations52
US11617979B2Apr 4, 2023
Device and method for determining the pollution status of a particle filter in an air-cleaning device
KONINKLIJKE PHILIPS NV0 citations49