Assignee
KAWAMURA MASAHIRO
JP16 patents
Top patents by PatentIndex Score
US8568903B2Oct 29, 2013
Phenanthrene derivative, and material for organic EL element
KAWAMURA MASAHIRO36 citations98
US8221907B2Jul 17, 2012
Chrysene derivative and organic electroluminescent device using the same
KAWAMURA MASAHIRO42 citations94
US9099658B2Aug 4, 2015
Organic electroluminescence device
KAWAMURA MASAHIRO16 citations92
US8629430B2Jan 14, 2014
Anthracene derivative and organic electroluminescent element using the same
KAWAMURA MASAHIRO15 citations92
US10263192B2Apr 16, 2019
Organic electroluminescent device using aryl amine derivative containing heterocycle
KAWAMURA MASAHIRO7 citations84
US9353027B2May 31, 2016
Organic electroluminescent element using pyrene derivative
KAWAMURA MASAHIRO10 citations84
US8507106B2Aug 13, 2013
Benzophenanthrene derivative and organic electroluminescent device employing the same
KAWAMURA MASAHIRO7 citations84
US8253129B2Aug 28, 2012
Benzochrysene derivative and an organic electroluminescence device using the same
KAWAMURA MASAHIRO8 citations84
US8222637B2Jul 17, 2012
Benzochrysene derivative and organic electroluminescence device using the same
KAWAMURA MASAHIRO7 citations84
US8217570B2Jul 10, 2012
Anthracene derivative and organic electroluminescent element using the same
KAWAMURA MASAHIRO18 citations84
US8512875B2Aug 20, 2013
Anthracene derivative and organic electroluminescence device using the same
KAWAMURA MASAHIRO15 citations82
US9126943B2Sep 8, 2015
Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising same
KAWAMURA MASAHIRO2 citations63
US8822041B2Sep 2, 2014
Anthracene derivatives, luminescent materials and organic electroluminescent devices
KAWAMURA MASAHIRO2 citations63
US8623520B2Jan 7, 2014
Fused aromatic derivative and organic electroluminescence device using the same
KAWAMURA MASAHIRO2 citations63
US8450727B2May 28, 2013
Organic luminescent medium and organic EL device
KAWAMURA MASAHIRO3 citations63
US8900724B2Dec 2, 2014
Monobenzochrysene derivative, a material for an organic electroluminescence device containing the same, and an organic electroluminescence device using the material
KAWAMURA MASAHIRO0 citations52