Inventor · disambiguated record
Kazumasa Nagao
Also filed as: NAGAO KAZUMASA
12 granted patents·12 pending applications·99 citations·filing 2005–2023
89Inventor score
Top patents by PatentIndex Score
24 records- 0192US8084146B2Light-emitting device material and light-emitting deviceMURASE SEIICHIRO·Filed 2005·Granted Dec 27, 2011·43 cites·5 claims
- 0289US9391288B2Light emitting device material and light emitting deviceNAGAO KAZUMASA·Filed 2012·Granted Jul 12, 2016·12 cites·17 claims
- 0387US8729530B2Material for light-emitting device and light-emitting deviceNAGAO KAZUMASA·Filed 2007·Granted May 20, 2014·13 cites·18 claims
- 0484US9537107B2Light emitting device material and light emitting deviceNAGAO KAZUMASA·Filed 2012·Granted Jan 3, 2017·7 cites·14 claims
- 0580US7989802B2Light emitting device material and light emitting deviceTORAY INDUSTRIES·Filed 2008·Granted Aug 2, 2011·6 cites·9 claims
- 0679US8502201B2Light-emitting elementNAGAO KAZUMASA·Filed 2009·Granted Aug 6, 2013·5 cites·13 claims
- 0776US8610345B2Light-emitting device material and light-emitting deviceMURASE SEIICHIRO·Filed 2006·Granted Dec 17, 2013·6 cites·6 claims
- 0870US7901794B2Material for light-emitting element and light emitting elementTORAY INDUSTRIES·Filed 2006·Granted Mar 8, 2011·4 cites·12 claims
- 0967US8916275B2Light emitting device material and light emitting deviceNAKANO YOHEI·Filed 2010·Granted Dec 23, 2014·2 cites·13 claims
- 1061US8183560B2Light-emitting deviceIKEDA TAKESHI·Filed 2007·Granted May 22, 2012·1 cites·3 claims
- 1159US2025359477A1Organic electroluminescent element, compound, and electronic deviceIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 1255US2014061629A1Light-emitting device material and light-emitting deviceTORAY INDUSTRIES·Filed 2013·Application pending·0 cites
- 1351US2024188438A1Organic electroluminescent element, compound, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1451US2024215447A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1550US2012138907A1Light-emitting device material and light-emitting deviceMURASE SEIICHIRO·Filed 2011·Application pending·0 cites
- 1648US8962155B2Light emitting device based on a pyrromethene compoundNAGAO KAZUMASA·Filed 2008·Granted Feb 24, 2015·0 cites·13 claims
- 1748US2022407007A1Light-emitting element material containing pyrromethene boron complex, light-emitting element, display device, and illumination deviceTORAY INDUSTRIES·Filed 2020·Application pending·0 cites
- 1847US2025169275A1Organic el element material, organic el element, display device and illumination deviceTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 1947US2022263030A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2020·Application pending·0 cites
- 2045US9627625B2Light-emitting device material and light-emitting deviceTORAY INDUSTRIES·Filed 2013·Granted Apr 18, 2017·0 cites·14 claims
- 2145US2022102637A1Pyrromethene metal complex, pyrromethene compound, light-emitting element material, light-emitting element, display device, and illumination deviceTORAY INDUSTRIES·Filed 2020·Application pending·0 cites
- 2240US2014027754A1Light emitting device material and light emitting deviceUEOKA KOJI·Filed 2012·Application pending·0 cites
- 2338US2019101507A1Semiconductor element, method for manufacturing same, wireless communication device, and sensorTORAY INDUSTRIES·Filed 2017·Application pending·0 cites
- 2437US2019285576A1Semiconductor sensor, method for producing the same, and combined sensorTORAY INDUSTRIES·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →