How many patents does
Quarkstar have?

patents
343
families
47
granted
96
applications
247
US
170
EP
65
WO
57
CN
36
JP
12
KR
1
RoW
2

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The report contains ten-year analysis with the following sections

  • patent filing analysis
  • worldwide filing analysis
  • patent family analysis
  • application analysis
  • granted analysis
  • classification analysis
  • citation analysis

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Quarkstar
Top ten assignees appearing on patents

2009 - 2018

quarkstar 307

2009

2018

quarkstar 43

Quarkstar
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
light guide illumination device with light divergence modifier 33 2013
illumination devices including multiple light emitting elements 33 2011
solid state bidirectional light sheet for general illumination 31 2010
illumination device in which source light injection is non-parallel to device's optical … 🛈 30 2013
light-emitting device with remote scattering element and total internal reflection extra… 🛈 17 2012
dimmable lighting devices and methods for dimming same 15 2011
light-emitting devices providing asymmetrical propagation of light 12 2011
nearly index-matched luminescent glass-phosphor composites for photonic applications 11 2007
illumination systems providing direct and indirect illumination 11 2012
solid state lamp using light emitting strips 9 2011