Inventor · disambiguated record
Sayaka Mizutani
Also filed as: MIZUTANI SAYAKA
26 granted patents·29 pending applications·132 citations·filing 2004–2025
95Inventor score
Top patents by PatentIndex Score
55 records- 0197US12089492B2Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2022·Granted Sep 10, 2024·2 cites·6 claims
- 0296US9209406B2Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2012·Granted Dec 8, 2015·25 cites·16 claims
- 0394US9978975B2Organic electroluminescence deviceSONY CORP·Filed 2013·Granted May 22, 2018·9 cites·14 claims
- 0494US9893296B2Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2015·Granted Feb 13, 2018·7 cites·30 claims
- 0593US10418563B2Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2017·Granted Sep 17, 2019·4 cites·25 claims
- 0693US9847501B2Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2012·Granted Dec 19, 2017·12 cites·23 claims
- 0793US9324950B2Organic electroluminescence deviceKAWAMURA YUICHIRO·Filed 2011·Granted Apr 26, 2016·14 cites·18 claims
- 0892US11374176B2Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2019·Granted Jun 28, 2022·3 cites·8 claims
- 0991US10199580B2Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2018·Granted Feb 5, 2019·3 cites·30 claims
- 1091US9397307B2Organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2014·Granted Jul 19, 2016·8 cites·19 claims
- 1190US2025008837A1Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2024·Application pending·0 cites
- 1286US9871206B2Compound, organic electroluminescence device material, organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2013·Granted Jan 16, 2018·4 cites·51 claims
- 1384US10510964B2Compound, organic electroluminescence device material, organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2017·Granted Dec 17, 2019·2 cites·20 claims
- 1484US8883323B2Organic electroluminescence deviceKAWAMURA YUICHIRO·Filed 2011·Granted Nov 11, 2014·16 cites·14 claims
- 1580US9331285B2Aromatic amine derivative and organic electroluminescent element using sameMIZUKI YUMIKO·Filed 2010·Granted May 3, 2016·2 cites·19 claims
- 1679US7547693B2Piperidine derivativeBANYU PHARMA CO LTD·Filed 2004·Granted Jun 16, 2009·14 cites·13 claims
- 1777US9126943B2Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising sameKAWAMURA MASAHIRO·Filed 2011·Granted Sep 8, 2015·2 cites·23 claims
- 1877US7732456B2Pyridone derivativeBANYU PHARMA CO LTD·Filed 2005·Granted Jun 8, 2010·3 cites·23 claims
- 1976US12312317B2Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Granted May 27, 2025·0 cites·10 claims
- 2076US2025230167A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2025·Application pending·0 cites
- 2171USRE47763EOrganic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2017·Granted Dec 10, 2019·1 cites·35 claims
- 2269US7531668B22-arylcarboxamide-nitrogenous heterocycle compoundBANYU PHARMA CO LTD·Filed 2005·Granted May 12, 2009·1 cites·17 claims
- 2369US2023106293A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2465US2025241121A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2024·Application pending·0 cites
- 2565US2025261507A1Organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2024·Application pending·0 cites
- 2664US9923146B2Aromatic amine derivative and organic electroluminescent element using sameIDEMITSU KOSAN CO·Filed 2017·Granted Mar 20, 2018·0 cites·18 claims
- 2763US2014001456A1Aromatic heterocyclic derivative, material for organic eletroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 2861USRE49237EOrganic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2019·Granted Oct 4, 2022·0 cites·42 claims
- 2958US7834182B2Piperidine derivativeBANYU PHARMA CO LTD·Filed 2009·Granted Nov 16, 2010·0 cites·9 claims
- 3058US2022416178A1Composition, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3158US2024376072A1Compound, material for an organic electroluminescence device and an organic electroluminescence device comprising the compoundIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3257US2025204242A1Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 3357US2016181527A1Aromatic amine derivative and organic electroluminescent element using sameIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 3457US2023209998A1Organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3557US2025057040A1Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3656US2022278286A1Compound, material for organic electroluminescent devices, organic electroluminescent device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3756US2023309380A1Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3856US2016197289A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 3955US2016254459A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 4054US2023045583A1Organic electroluminescence device, electronic apparatus, and method for fabricating organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4154US2022289717A1Compound, mixture thereof, material for organic electroluminescence device, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4254US2024268223A1Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4353US10573823B2Organic electroluminescent deviceJOLED INC·Filed 2013·Granted Feb 25, 2020·0 cites·9 claims
- 4453US2024301281A1Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic applianceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 4553US2023209996A1Organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4653US2023042547A1Compound, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4752US2024188425A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4852US2024107876A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 4952US2024172558A1Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic applianceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 5051US2024334813A1Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →