Inventor · disambiguated record
Maki Okajima
Also filed as: OKAJIMA MAKI
15 granted patents·3 pending applications·114 citations·filing 2003–2020
92Inventor score
Top patents by PatentIndex Score
18 records- 0196US10151990B2TonerCANON KK·Filed 2017·Granted Dec 11, 2018·16 cites·4 claims
- 0294US7982213B2Phenanthroline compound and organic light emitting device using sameCANON KK·Filed 2009·Granted Jul 19, 2011·13 cites·7 claims
- 0387US8354788B2Organic light emitting deviceCANON KK·Filed 2009·Granted Jan 15, 2013·10 cites·14 claims
- 0484US8299459B2Diindenopicene compound and organic light emitting device using the sameOKAJIMA MAKI·Filed 2010·Granted Oct 30, 2012·4 cites·6 claims
- 0580US7229702B2Oligofluorenlylene compoundsCANON KK·Filed 2003·Granted Jun 12, 2007·27 cites·3 claims
- 0673US7034454B2Organic light emitting device with reverse intersystem crossing light emitting moleculesCANON KK·Filed 2003·Granted Apr 25, 2006·17 cites·7 claims
- 0772US9331296B2Organic light-emitting deviceOKAJIMA MAKI·Filed 2011·Granted May 3, 2016·3 cites·6 claims
- 0871US9115055B2Fluorenylamine compound, organic light emitting device containing the same, material for organic light emitting device, display apparatus, and image input apparatusHORIKIRI TOMONARI·Filed 2010·Granted Aug 25, 2015·2 cites·11 claims
- 0970US7750340B2Light-emitting deviceCANON KK·Filed 2005·Granted Jul 6, 2010·3 cites·12 claims
- 1070US7338721B2Condensed polycyclic compound and organic light-emitting device using the sameCANON KK·Filed 2003·Granted Mar 4, 2008·10 cites·10 claims
- 1166US7820478B2Light-emitting deviceCANON KK·Filed 2009·Granted Oct 26, 2010·2 cites·3 claims
- 1264US7550594B2Phenanthroline compound and organic light emitting device using sameCANON KK·Filed 2003·Granted Jun 23, 2009·6 cites·4 claims
- 1359US9312494B2Organic light emitting deviceNAKASU MINAKO·Filed 2010·Granted Apr 12, 2016·1 cites·9 claims
- 1454US9705087B2Organic light emitting deviceCANON KK·Filed 2016·Granted Jul 11, 2017·0 cites·9 claims
- 1554US8624231B2Benzopyrene compound and organic light-emitting element containing the sameYAMADA NAOKI·Filed 2011·Granted Jan 7, 2014·0 cites·7 claims
- 1650US2010327274A1Organic light-emitting deviceCANON KK·Filed 2009·Application pending·0 cites
- 1742US2021132519A1TonerCANON KK·Filed 2020·Application pending·0 cites
- 1837US2012132901A1Pyrene derivative and organic light-emitting device using the sameYAMADA NAOKI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →