Inventor · disambiguated record
Chika Negishi
Also filed as: NEGISHI CHIKA
21 granted patents·4 pending applications·213 citations·filing 2003–2011
95Inventor score
Top patents by PatentIndex Score
25 records- 0196US7241513B2Fluorene compound and organic luminescent device using the sameCANON KK·Filed 2003·Granted Jul 10, 2007·62 cites·11 claims
- 0293US8691398B24-aminofluorene compound and organic light emitting deviceYAMADA NAOKI·Filed 2006·Granted Apr 8, 2014·15 cites·14 claims
- 0390US7387845B2Monoamino compound and organic luminescence device using the sameCANON KK·Filed 2003·Granted Jun 17, 2008·25 cites·10 claims
- 0484US7919198B2Condensed ring aromatic compound for organic light-emitting device and organic light-emitting device having the sameCANON KK·Filed 2008·Granted Apr 5, 2011·4 cites·3 claims
- 0582US7960039B2Amino compound for organic light-emitting device and organic light-emitting device including the sameCANON KK·Filed 2007·Granted Jun 14, 2011·3 cites·4 claims
- 0682US7807277B2Amine compound and organic light-emitting deviceCANON KK·Filed 2007·Granted Oct 5, 2010·4 cites·3 claims
- 0781US8431244B2Indenochrysene derivative and organic light-emitting device using sameOHRUI HIROKI·Filed 2008·Granted Apr 30, 2013·4 cites·8 claims
- 0880US7919197B2Condensed ring aromatic compound and organic light-emitting device having the sameCANON KK·Filed 2008·Granted Apr 5, 2011·6 cites·6 claims
- 0980US7229702B2Oligofluorenlylene compoundsCANON KK·Filed 2003·Granted Jun 12, 2007·27 cites·3 claims
- 1075US8288018B2Amino compound for organic light-emitting device and organic light-emitting device including the sameABE SHIGEMOTO·Filed 2011·Granted Oct 16, 2012·3 cites·11 claims
- 1174US8072136B2Compound and organic light emitting device using the compoundIGAWA SATOSHI·Filed 2007·Granted Dec 6, 2011·4 cites·15 claims
- 1274US7932592B2Compound and organic light-emitting elementCANON KK·Filed 2007·Granted Apr 26, 2011·4 cites·5 claims
- 1374US7709832B2Organic compound and organic light-emitting elementCANON KK·Filed 2007·Granted May 4, 2010·4 cites·6 claims
- 1474US7510781B2Spiro compound and organic luminescence device using the sameCANON KK·Filed 2003·Granted Mar 31, 2009·8 cites·2 claims
- 1573US7034454B2Organic light emitting device with reverse intersystem crossing light emitting moleculesCANON KK·Filed 2003·Granted Apr 25, 2006·17 cites·7 claims
- 1672US7977869B2Organic luminescent device and benzo[k]fluoranthene compoundCANON KK·Filed 2007·Granted Jul 12, 2011·3 cites·13 claims
- 1770US7794855B2Compound and organic light-emitting elementCANON KK·Filed 2007·Granted Sep 14, 2010·3 cites·2 claims
- 1868US7833634B21,8-naphthyridine compound and organic light-emitting device using the sameCANON KK·Filed 2006·Granted Nov 16, 2010·2 cites·10 claims
- 1967US7691491B2Monoaminofluorene compound and organic light-emitting device using the sameCANON KK·Filed 2003·Granted Apr 6, 2010·8 cites·14 claims
- 2053US2011140595A1Novel condensed ring aromatic compound and organic light-emitting device having the sameCANON KK·Filed 2011·Application pending·0 cites
- 2153US2011147731A1Condensed ring aromatic compound for organic light-emitting device and organic light-emitting device having the sameCANON KK·Filed 2011·Application pending·0 cites
- 2250US2010327274A1Organic light-emitting deviceCANON KK·Filed 2009·Application pending·0 cites
- 2346US2009091244A1Amine compound, organic light-emitting device, and organic blue-light-emitting deviceCANON KK·Filed 2006·Application pending·0 cites
- 2445US7632577B2Organic light-emitting deviceCANON KK·Filed 2003·Granted Dec 15, 2009·6 cites·2 claims
- 2543US8034944B2Benzofluoranthene compound and organic light-emitting device using the compoundCANON KK·Filed 2007·Granted Oct 11, 2011·1 cites·6 claims
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