Inventor · disambiguated record
Hideaki Nagashima
Also filed as: NAGASHIMA HIDEAKI
26 granted patents·22 pending applications·63 citations·filing 2005–2024
93Inventor score
Top patents by PatentIndex Score
48 records- 0190US8987715B2Organic electroluminescence elementNISHIMURA KAZUKI·Filed 2011·Granted Mar 24, 2015·8 cites·18 claims
- 0288US9382206B2Nitrogen-containing aromatic heterocyclic derivative and organic electroluminescence device using the sameKATO TOMOKI·Filed 2011·Granted Jul 5, 2016·8 cites·17 claims
- 0388US9266865B2Material for organic electroluminescent element, and organic electroluminescent element using sameNUMATA MASAKI·Filed 2011·Granted Feb 23, 2016·5 cites·26 claims
- 0486US9199974B2Material for organic electroluminescent device and organic electroluminescent device using sameNUMATA MASAKI·Filed 2011·Granted Dec 1, 2015·4 cites·14 claims
- 0583US8895966B2Material for organic electroluminescence element, and organic electroluminescence element using sameNUMATA MASAKI·Filed 2011·Granted Nov 25, 2014·4 cites·19 claims
- 0681US7714477B2Stator of rotating electric machine and structure thereofHITACHI LTD·Filed 2007·Granted May 11, 2010·13 cites·3 claims
- 0780US7839040B2Permanent-magnet generator rotor for gas turbine, manufacturing method therefor, and gas turbineHITACHI LTD·Filed 2005·Granted Nov 23, 2010·10 cites·14 claims
- 0877US10217946B2Dibenzofurans and dibenzothiophenesIDEMITSU KOSAN CO·Filed 2015·Granted Feb 26, 2019·2 cites·28 claims
- 0977US8039121B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2006·Granted Oct 18, 2011·4 cites·29 claims
- 1071US11174258B2Benzimidazolo[1,2-a]benzimidazole derivatives for organic light emitting diodesIDEMITSU KOSAN CO·Filed 2016·Granted Nov 16, 2021·1 cites·23 claims
- 1166US9978952B2Fused heterocyclic aromatic derivative, organic electroluminescence element material, and organic electroluminescence element using sameNAKANO YUKI·Filed 2012·Granted May 22, 2018·1 cites·41 claims
- 1265US12399215B2Housing and proberTOKYO SEIMITSU CO LTD·Filed 2024·Granted Aug 26, 2025·0 cites·7 claims
- 1365US10689385B2Benzimidazolo[1,2-A]benzimidazole carrying aryl- or arylnitril groups for organic light emitting diodesIDEMITSU KOSAN CO·Filed 2016·Granted Jun 23, 2020·1 cites·14 claims
- 1459US9714237B2Material for organic electroluminescent device and organic electroluminescent device using sameIDEMITSU KOSAN CO·Filed 2015·Granted Jul 25, 2017·0 cites·17 claims
- 1554US8377575B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2011·Granted Feb 19, 2013·0 cites·16 claims
- 1653US2018370981A1Hetero-condensed phenylquinazolines and their use in electronic devicesIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 1752US2019006601A1Nitrogen-containing heterocyclic compounds and organic electroluminescence devices containing themIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 1851US2011253206A1Organic solar batteryIDEMITSU KOSAN CO·Filed 2009·Application pending·0 cites
- 1950US8760029B2Stator core arrangements using heat-shrinkable tubing, for rotarty electric machinesNAGASHIMA HIDEAKI·Filed 2008·Granted Jun 24, 2014·2 cites·12 claims
- 2050US2008267807A1Core rod for forming a cylindrical green compact, apparatus for forming a cylindrical green compact, and method for forming a cylindrical green compactKOBAYASHI KINYA·Filed 2008·Application pending·0 cites
- 2149US2010219397A1Transition metal complex compound and organic electroluminescent device using sameIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 2247US10416228B2ProberTOKYO SEIMITSU CO LTD·Filed 2018·Granted Sep 17, 2019·0 cites·7 claims
- 2347US2009243473A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 2446US11616201B2Specific ladder type compounds for organic light emitting devicesIDEMITSU KOSAN CO·Filed 2018·Granted Mar 28, 2023·0 cites·15 claims
- 2546US9419231B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2013·Granted Aug 16, 2016·0 cites·28 claims
- 2646US2007013295A1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 2746US2007052346A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 2845US9537111B2Compound, material for organic electroluminescence device, and organic electroluminescence deviceNAKANO YUKI·Filed 2012·Granted Jan 3, 2017·0 cites·21 claims
- 2945US2007108898A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 3045US2015034927A1Material for organic electroluminescent element, and organic electroluminescent element using sameNAKANO YUKI·Filed 2013·Application pending·0 cites
- 3144US9496508B2Material for organic electroluminescent element and organic electroluminescent element using sameIDEMITSU KOSAN CO·Filed 2012·Granted Nov 15, 2016·0 cites·16 claims
- 3244US2009102363A1Metal complex compound, material for organic electroluminescence device and organic electroluminescence device using the sameIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 3343US2013092913A1Organic electroluminescent elementNISHIMURA KAZUKI·Filed 2011·Application pending·0 cites
- 3442US2014231772A1Material for organic electroluminescent elements, and organic electroluminescent element using the sameIDEMITSU KOSAN CO·Filed 2012·Application pending·0 cites
- 3542US2018277768A1Benzimidazolo[1,2-a]benzimidazole carrying benzimidazolo[1,2-a]benzimidazolyl groups, carbazolyl groups, dibenzofurane groups or benzothiophene groups for organic light emitting diodesIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 3642US2018291028A1Benzimidazolo[1,2-a]benzimidazole carrying benzimidazolo[1,2-a]benzimidazolyl groups, carbazolyl groups, benzofurane groups or benzothiophene groups for organic light emitting diodesIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 3739US11691983B2Specifically substituted benzofuro- and benzothienoquinolines for organic light emitting diodesIDEMITSU KOSAN CO·Filed 2017·Granted Jul 4, 2023·0 cites·29 claims
- 3839US10584126B21-functionalized dibenzofurans and dibenzothiophenes for organic light emitting diodes (OLEDs)IDEMITSU KOSAN CO·Filed 2015·Granted Mar 10, 2020·0 cites·8 claims
- 3939US2011156521A1Permanent Magnet Type Rotating Electric MachineHITACHI LTD·Filed 2010·Application pending·0 cites
- 4039US2009039767A1Metal complex compound, material for organic electroluminescence device and organic electroluminescence device using the sameIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 4138US2018269407A1Benzimidazolo[1,2-a]benzimidazole carrying triazine groups for organic light emitting diodesIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 4238US2018212159A1Organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 4337US11279709B2Specifically substituted aza-dibenzofurans and aza-dibenzothiophenes for organic electronic devicesIDEMITSU KOSAN CO·Filed 2017·Granted Mar 22, 2022·0 cites·25 claims
- 4437US2018319813A1Benzimidazole fused heteroarylsIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 4536US11289661B2Nitrogen-containing heterocyclic compounds for organic light emitting devicesIDEMITSU KOSAN CO·Filed 2017·Granted Mar 29, 2022·0 cites·15 claims
- 4636US10968229B2Seven-membered ring compoundsIDEMITSU KOSAN CO·Filed 2016·Granted Apr 6, 2021·0 cites·29 claims
- 4736US2016248026A1Nitrile substituted dibenzofuransIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 4836US2017025627A1Silyl-benzimidazolo[1,2-a]benzimidazole as host for organic light emitting diodesIDEMITSU KOSAN CO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →