Assignee
KAWAMURA MASAHIRO
JP·16 granted patents·4 pending applications·190 citations·filing 2005–2013
Top patents by PatentIndex Score
20 records- 0198US8221907B2Chrysene derivative and organic electroluminescent device using the sameKAWAMURA MASAHIRO·Filed 2008·Granted Jul 17, 2012·42 cites·13 claims
- 0296US9099658B2Organic electroluminescence deviceKAWAMURA MASAHIRO·Filed 2013·Granted Aug 4, 2015·16 cites·10 claims
- 0396US8629430B2Anthracene derivative and organic electroluminescent element using the sameKAWAMURA MASAHIRO·Filed 2010·Granted Jan 14, 2014·15 cites·24 claims
- 0496US8568903B2Phenanthrene derivative, and material for organic EL elementKAWAMURA MASAHIRO·Filed 2008·Granted Oct 29, 2013·36 cites·17 claims
- 0592US8217570B2Anthracene derivative and organic electroluminescent element using the sameKAWAMURA MASAHIRO·Filed 2005·Granted Jul 10, 2012·18 cites·16 claims
- 0690US8222637B2Benzochrysene derivative and organic electroluminescence device using the sameKAWAMURA MASAHIRO·Filed 2008·Granted Jul 17, 2012·7 cites·12 claims
- 0788US8512875B2Anthracene derivative and organic electroluminescence device using the sameKAWAMURA MASAHIRO·Filed 2008·Granted Aug 20, 2013·15 cites·24 claims
- 0888US8507106B2Benzophenanthrene derivative and organic electroluminescent device employing the sameKAWAMURA MASAHIRO·Filed 2008·Granted Aug 13, 2013·7 cites·18 claims
- 0987US9353027B2Organic electroluminescent element using pyrene derivativeKAWAMURA MASAHIRO·Filed 2010·Granted May 31, 2016·10 cites·11 claims
- 1085US8253129B2Benzochrysene derivative and an organic electroluminescence device using the sameKAWAMURA MASAHIRO·Filed 2008·Granted Aug 28, 2012·8 cites·17 claims
- 1183US10263192B2Organic electroluminescent device using aryl amine derivative containing heterocycleKAWAMURA MASAHIRO·Filed 2007·Granted Apr 16, 2019·7 cites·26 claims
- 1283US8822041B2Anthracene derivatives, luminescent materials and organic electroluminescent devicesKAWAMURA MASAHIRO·Filed 2009·Granted Sep 2, 2014·2 cites·21 claims
- 1378US8623520B2Fused aromatic derivative and organic electroluminescence device using the sameKAWAMURA MASAHIRO·Filed 2008·Granted Jan 7, 2014·2 cites·14 claims
- 1477US9126943B2Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising sameKAWAMURA MASAHIRO·Filed 2011·Granted Sep 8, 2015·2 cites·23 claims
- 1572US8450727B2Organic luminescent medium and organic EL deviceKAWAMURA MASAHIRO·Filed 2009·Granted May 28, 2013·3 cites·34 claims
- 1654US8900724B2Monobenzochrysene derivative, a material for an organic electroluminescence device containing the same, and an organic electroluminescence device using the materialKAWAMURA MASAHIRO·Filed 2008·Granted Dec 2, 2014·0 cites·20 claims
- 1751US2011156016A1Organic light-emitting medium and organic el elementKAWAMURA MASAHIRO·Filed 2009·Application pending·0 cites
- 1842US2012056165A1Organic luminescent mediumKAWAMURA MASAHIRO·Filed 2010·Application pending·0 cites
- 1942US2012013244A1Organic luminescent mediumKAWAMURA MASAHIRO·Filed 2010·Application pending·0 cites
- 2041US2012181922A1Organic electroluminescent elementKAWAMURA MASAHIRO·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when KAWAMURA MASAHIRO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →