Assignee
KAI TAKAHIRO
JP·13 granted patents·91 citations·filing 2007–2011
Top patents by PatentIndex Score
13 records- 0196US8062769B2Indolocarbazole compound for use in organic electroluminescent device and organic electroluminescent deviceKAI TAKAHIRO·Filed 2007·Granted Nov 22, 2011·36 cites·10 claims
- 0291US8722208B2Organic electroluminescent deviceKAI TAKAHIRO·Filed 2010·Granted May 13, 2014·11 cites·4 claims
- 0386US9156843B2Organic electroluminescent device comprising an organic layer containing an indolocarbazole compoundKAI TAKAHIRO·Filed 2011·Granted Oct 13, 2015·7 cites·18 claims
- 0485US8795848B2Indolocarbazole derivative with fused heterocyclic aromatic group for organic electroluminescent device and organic electroluminescent device containing sameKAI TAKAHIRO·Filed 2009·Granted Aug 5, 2014·11 cites·10 claims
- 0584US9133205B2Organic electroluminescent deviceKAI TAKAHIRO·Filed 2011·Granted Sep 15, 2015·4 cites·5 claims
- 0683US8227798B2Compound for organic electroluminescent device and organic electroluminescent deviceKAI TAKAHIRO·Filed 2008·Granted Jul 24, 2012·10 cites·8 claims
- 0780US8389131B2Material for use in phosphorescent device and organic electroluminescent device using sameKAI TAKAHIRO·Filed 2010·Granted Mar 5, 2013·4 cites·7 claims
- 0877US9343685B2Organic electroluminescent elementKAI TAKAHIRO·Filed 2011·Granted May 17, 2016·4 cites·6 claims
- 0971US9260433B2Organic electroluminescent deviceKAI TAKAHIRO·Filed 2010·Granted Feb 16, 2016·2 cites·6 claims
- 1066US8815416B2Organic electroluminescent device using a bipyrimidine compoundKAI TAKAHIRO·Filed 2008·Granted Aug 26, 2014·2 cites·4 claims
- 1150US8703302B2Indolocarbazole derivative with aromatic phosphne oxide group for organic electroluminescent device and organic electroluminescent device containing sameKAI TAKAHIRO·Filed 2009·Granted Apr 22, 2014·0 cites·8 claims
- 1240US9290498B2Organic electroluminescent device having an electron- and/or exciton-blocking layer comprising an indolocarbazole compoundKAI TAKAHIRO·Filed 2010·Granted Mar 22, 2016·0 cites·9 claims
- 1339US9299947B2Organic electroluminescent device having an electron- and /or exciton-blocking layer comprising an indolocarbazole compoundKAI TAKAHIRO·Filed 2010·Granted Mar 29, 2016·0 cites·16 claims
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