Inventor · disambiguated record
Naoaki Kabasawa
Also filed as: KABASAWA NAOAKI
29 granted patents·11 pending applications·31 citations·filing 2009–2020
93Inventor score
Top patents by PatentIndex Score
40 records- 0191US11056653B2Organic electroluminescence deviceHODOGAYA CHEMICAL CO LTD·Filed 2017·Granted Jul 6, 2021·5 cites·15 claims
- 0282US10505119B2Organic electroluminescence deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Dec 10, 2019·3 cites·11 claims
- 0381US11158813B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2018·Granted Oct 26, 2021·2 cites·5 claims
- 0480US11437583B2Organic electroluminescence device that includes compound having benzoazole structureHODOGAYA CHEMICAL CO LTD·Filed 2018·Granted Sep 6, 2022·2 cites·8 claims
- 0579US10326079B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Jun 18, 2019·3 cites·20 claims
- 0678US9705099B2Phosphorescent organic light emitting devices having a hole transporting cohost material in the emissive regionUNIVERSAL DISPLAY CORP·Filed 2013·Granted Jul 11, 2017·4 cites·29 claims
- 0774US9818949B2Compound having acridan ring structure, and organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2014·Granted Nov 14, 2017·2 cites·16 claims
- 0872US10497876B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2015·Granted Dec 3, 2019·1 cites·20 claims
- 0970US11158811B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2015·Granted Oct 26, 2021·1 cites·20 claims
- 1069US8586210B2Compound having substituted anthracene ring structure and pyridoindole ring structure and organic electroluminescence deviceYOKOYAMA NORIMASA·Filed 2009·Granted Nov 19, 2013·3 cites·8 claims
- 1168US11217754B2Organic electroluminescence deviceHODOGAYA CHEMICAL CO LTD·Filed 2015·Granted Jan 4, 2022·1 cites·9 claims
- 1267US8852759B2Compound having acridan ring structure, and organic electroluminescent deviceYOKOYAMA NORIMASA·Filed 2011·Granted Oct 7, 2014·1 cites·6 claims
- 1366US10950797B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Mar 16, 2021·1 cites·12 claims
- 1462US10096779B2Pyrimidine derivatives and organic electroluminescent devicesHODOGAYA CHEMICAL CO LTD·Filed 2014·Granted Oct 9, 2018·0 cites·7 claims
- 1562US9705092B2Phosphorescent organic light emitting devices combined with hole transport material having high operating stabilityYAMAMOTO HITOSHI·Filed 2011·Granted Jul 11, 2017·1 cites·19 claims
- 1662US9005776B2Compound having benzotriazole ring structure and organic electroluminescent elementYOKOYAMA NORIMASA·Filed 2010·Granted Apr 14, 2015·1 cites·15 claims
- 1759US12317744B2Compound having a fused-azole ring structure and organic electroluminescent elementHODOGAYA CHEMICAL CO LTD·Filed 2017·Granted May 27, 2025·0 cites·6 claims
- 1856US2020303658A1Pyrimidine derivative and an organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2020·Application pending·0 cites
- 1955US9755152B2Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2014·Granted Sep 5, 2017·0 cites·12 claims
- 2054US2013341604A1Compound having substituted anthracene ring structure and pyridoindole ring structure and organic electroluminescence deviceHODOGAYA CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
- 2153US11672169B2Organic electroluminescent elementHODOGAYA CHEMICAL CO LTD·Filed 2018·Granted Jun 6, 2023·0 cites·5 claims
- 2250US8927119B2Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent deviceYOKOYAMA NORIMASA·Filed 2010·Granted Jan 6, 2015·0 cites·14 claims
- 2348US10593884B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Mar 17, 2020·0 cites·19 claims
- 2448US2016118591A1Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 2547US2015380657A1Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 2647US2017186967A1Pyrimidine derivative and an organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2015·Application pending·0 cites
- 2745US9905770B2Compound having acridan ring structure, and organic electroluminescent deviceYOKOYAMA NORIMASA·Filed 2012·Granted Feb 27, 2018·0 cites·16 claims
- 2845US2015060803A1Compound having acridan ring structure, and organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
- 2944US10559759B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Feb 11, 2020·0 cites·6 claims
- 3044US2015034924A1Novel triphenylene derivatives and organic electroluminescent devices using said derivativesHODOGAYA CHEMICAL CO LTD·Filed 2012·Application pending·0 cites
- 3143US9634258B2Compounds having bipyridyl group and carbazole ring, and organic electroluminescent elementYOKOYAMA NORIMASA·Filed 2012·Granted Apr 25, 2017·0 cites·64 claims
- 3243US2018362843A1Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Application pending·0 cites
- 3342US11944004B2Organic electroluminescence elementHODOGAYA CHEMICAL CO LTD·Filed 2017·Granted Mar 26, 2024·0 cites·1 claims
- 3441US11594683B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Feb 28, 2023·0 cites·11 claims
- 3541US2013112950A1Compound having carbazole ring structure, and organic electroluminescent deviceYOKOYAMA NORIMASA·Filed 2011·Application pending·0 cites
- 3638US2017117481A1Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2015·Application pending·0 cites
- 3738US2019006596A1Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 3835US10566540B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Feb 18, 2020·0 cites·18 claims
- 3935US9905775B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2016·Granted Feb 27, 2018·0 cites·9 claims
- 4034US10892420B2Organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2015·Granted Jan 12, 2021·0 cites·14 claims
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