Inventor · disambiguated record
Masakazu Funahashi
Also filed as: FUNAHASHI MASAKAZU
105 granted patents·53 pending applications·1,308 citations·filing 1999–2025
99Inventor score
Top patents by PatentIndex Score
158 records- 0198US8431250B2Aromatic amine derivative, and organic electroluminescent element comprising the sameMIZUKI YUMIKO·Filed 2010·Granted Apr 30, 2013·23 cites·36 claims
- 0298US8221907B2Chrysene derivative and organic electroluminescent device using the sameKAWAMURA MASAHIRO·Filed 2008·Granted Jul 17, 2012·42 cites·13 claims
- 0398US7732063B2Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2007·Granted Jun 8, 2010·36 cites·25 claims
- 0498US6951693B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Granted Oct 4, 2005·88 cites·9 claims
- 0597US9391279B2Aromatic amine derivative and organic electroluminescent device using the sameIDEMITSU KOSAN CO·Filed 2013·Granted Jul 12, 2016·13 cites·24 claims
- 0697US9219234B2Light-emitting material for organic electroluminescent device, organic electroluminescent device using same, and material for organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2013·Granted Dec 22, 2015·14 cites·24 claims
- 0797US8334648B2Organic electroluminescence device and organic light emitting mediumMATSUURA MASAHIDE·Filed 2010·Granted Dec 18, 2012·20 cites·15 claims
- 0897US8294142B2Organic EL deviceNISHIMURA KAZUKI·Filed 2008·Granted Oct 23, 2012·37 cites·23 claims
- 0996US10205101B2Light-emitting material for organic electroluminescent device, organic electroluminescent device using same, and material for organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2018·Granted Feb 12, 2019·9 cites·28 claims
- 1096US9786846B2Light-emitting material for organic electroluminescent device, organic electroluminescent device using same, and material for organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2015·Granted Oct 10, 2017·10 cites·30 claims
- 1196US9466800B2Aromatic amine derivative, and organic electroluminescent element comprising the sameIDEMITSU KOSAN CO·Filed 2015·Granted Oct 11, 2016·7 cites·16 claims
- 1296US9166179B2Aromatic amine derivative, and organic electroluminescent element comprising the sameMIZUKI YUMIKO·Filed 2013·Granted Oct 20, 2015·13 cites·20 claims
- 1396US8518560B2Aromatic amine derivative and organic electroluminescent device using the sameMIZUKI YUMIKO·Filed 2008·Granted Aug 27, 2013·18 cites·21 claims
- 1496US8324802B2Organic electroluminescence device and organic light emitting mediumMATSUURA MASAHIDE·Filed 2010·Granted Dec 4, 2012·14 cites·14 claims
- 1596US7927716B2Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2005·Granted Apr 19, 2011·20 cites·27 claims
- 1696US7839074B2Organic electroluminescence device and anthracene derivativeIDEMITSU KOSAN CO·Filed 2003·Granted Nov 23, 2010·39 cites·7 claims
- 1796US7081550B2Arylamine compound and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2003·Granted Jul 25, 2006·35 cites·6 claims
- 1896US7053255B2Substituted diphenylanthracene compounds for organic electroluminescence devicesIDEMITSU KOSAN CO·Filed 2001·Granted May 30, 2006·102 cites·1 claims
- 1995US9741938B2Aromatic amine derivative, and organic electroluminescent element comprising the sameIDEMITSU KOSAN CO·Filed 2016·Granted Aug 22, 2017·8 cites·26 claims
- 2095US7981523B2Aromatic amine derivative and organic electroluminescence device using the sameIDEMITSU KOSAN CO·Filed 2006·Granted Jul 19, 2011·21 cites·13 claims
- 2195US7790892B2Aromatic compound and organic electroluminescent element containing the sameIDEMITSU KOSAN CO·Filed 2003·Granted Sep 7, 2010·35 cites·11 claims
- 2295US6743948B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1999·Granted Jun 1, 2004·118 cites·2 claims
- 2394US9978975B2Organic electroluminescence deviceSONY CORP·Filed 2013·Granted May 22, 2018·9 cites·14 claims
- 2494US9583716B2Organic electroluminescence device and anthracene derivativeIDEMITSU KOSAN CO·Filed 2014·Granted Feb 28, 2017·11 cites·20 claims
- 2594US9024301B2Organic luminescent medium and organic EL deviceIDEMITSU KOSAN CO·Filed 2013·Granted May 5, 2015·12 cites·7 claims
- 2694US7425653B2Aromatic amine derivative and organic electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2005·Granted Sep 16, 2008·19 cites·17 claims
- 2794US7405326B2Aromatic amine derivatives and electroluminescence device using the sameIDEMITSU KOSAN CO·Filed 2006·Granted Jul 29, 2008·12 cites·5 claims
- 2893US10297765B2Aromatic amine derivative and organic electroluminescent device using the sameIDEMITSU KOSAN CO·Filed 2016·Granted May 21, 2019·5 cites·26 claims
- 2993US6515182B2Arylamine compound and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2001·Granted Feb 4, 2003·57 cites·5 claims
- 3092US8932735B2Aromatic amine derivative and organic electroluminescent element comprising the sameMIZUKI YUMIKO·Filed 2010·Granted Jan 13, 2015·7 cites·20 claims
- 3192US8318995B2Asymmetric pyrene derivative and organic electroluminescence device employing the sameKUBOTA MINEYUKI·Filed 2010·Granted Nov 27, 2012·9 cites·21 claims
- 3292US7651786B2Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2003·Granted Jan 26, 2010·47 cites·3 claims
- 3392US7504526B2Anthracene derivative and organic electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2005·Granted Mar 17, 2009·24 cites·10 claims
- 3492US7361796B2Orangic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2005·Granted Apr 22, 2008·21 cites·6 claims
- 3591US9728727B2Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2013·Granted Aug 8, 2017·4 cites·24 claims
- 3691US9343682B2Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2015·Granted May 17, 2016·3 cites·28 claims
- 3791US8647754B2Aromatic diamine derivative and organic electroluminescent device using the sameMIZUKI YUMIKO·Filed 2008·Granted Feb 11, 2014·13 cites·10 claims
- 3891US7528542B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2005·Granted May 5, 2009·37 cites·12 claims
- 3991US6657084B2Arylamine compound and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Granted Dec 2, 2003·18 cites·4 claims
- 4090US10312452B2Aromatic amine derivative and organic electroluminescence device utilizing the sameKIMURA MAKOTO·Filed 2014·Granted Jun 4, 2019·4 cites·19 claims
- 4190US7985491B2Anthrylarylene derivative, material for organic electroluminescence device and organic electroluminescence device using sameIDEMITSU KOSAN CO·Filed 2006·Granted Jul 26, 2011·9 cites·6 claims
- 4289US9960358B2Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2017·Granted May 1, 2018·3 cites·20 claims
- 4389US8058478B2Aromatic amine derivative and organic electroluminescence device using the sameFUNAHASHI MASAKAZU·Filed 2010·Granted Nov 15, 2011·7 cites·16 claims
- 4488US10516112B2Compound, organic electroluminescent element material, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2015·Granted Dec 24, 2019·3 cites·17 claims
- 4587US8853675B2Light-emitting material for organic electroluminescent device, organic electroluminescent device using same, and material for organic electroluminescent deviceKUBOTA MINEYUKI·Filed 2004·Granted Oct 7, 2014·13 cites·34 claims
- 4687US7763761B2Asymmetric pyrene derivative and organic electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2005·Granted Jul 27, 2010·6 cites·11 claims
- 4787US7524568B2Aromatic amine derivative and organic electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2008·Granted Apr 28, 2009·5 cites·8 claims
- 4886US12492162B2Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2024·Granted Dec 9, 2025·0 cites·19 claims
- 4986US10243145B2Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2018·Granted Mar 26, 2019·2 cites·11 claims
- 5086US8318324B2Organic electroluminescence device and anthracene derivativeIKEDA HIDETSUGU·Filed 2010·Granted Nov 27, 2012·3 cites·14 claims
Showing the top 50 of 158 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →