Inventor · disambiguated record
Hidetsugu Ikeda
Also filed as: IKEDA HIDETSUGU
66 granted patents·41 pending applications·993 citations·filing 1985–2022
99Inventor score
Top patents by PatentIndex Score
107 records- 0198US10249832B1Organic electroluminescence device and novel compoundIDEMITSU KOSAN CO·Filed 2018·Granted Apr 2, 2019·32 cites·20 claims
- 0298US6951693B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Granted Oct 4, 2005·88 cites·9 claims
- 0396US10680181B2Organic electroluminescence device and novel compoundIDEMITSU KOSAN CO·Filed 2019·Granted Jun 9, 2020·11 cites·23 claims
- 0496US10593889B1Compound and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2019·Granted Mar 17, 2020·14 cites·21 claims
- 0596US7839074B2Organic electroluminescence device and anthracene derivativeIDEMITSU KOSAN CO·Filed 2003·Granted Nov 23, 2010·39 cites·7 claims
- 0696US7053255B2Substituted diphenylanthracene compounds for organic electroluminescence devicesIDEMITSU KOSAN CO·Filed 2001·Granted May 30, 2006·102 cites·1 claims
- 0796US6815090B1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2000·Granted Nov 9, 2004·36 cites·3 claims
- 0895US10658594B2Organic electroluminescence device and novel compoundIDEMITSU KOSAN CO·Filed 2019·Granted May 19, 2020·6 cites·22 claims
- 0995US10230058B2Compound, organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2018·Granted Mar 12, 2019·6 cites·20 claims
- 1095US7790892B2Aromatic compound and organic electroluminescent element containing the sameIDEMITSU KOSAN CO·Filed 2003·Granted Sep 7, 2010·35 cites·11 claims
- 1195US6743948B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1999·Granted Jun 1, 2004·118 cites·2 claims
- 1294US12262634B2Organic electroluminescence device and novel compoundIDEMITSU KOSAN CO·Filed 2022·Granted Mar 25, 2025·2 cites·13 claims
- 1394US10672989B2Organic electroluminescence device and novel compoundIDEMITSU KOSAN CO·Filed 2018·Granted Jun 2, 2020·6 cites·26 claims
- 1494US9954187B2Compound, organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2017·Granted Apr 24, 2018·6 cites·30 claims
- 1594US9583716B2Organic electroluminescence device and anthracene derivativeIDEMITSU KOSAN CO·Filed 2014·Granted Feb 28, 2017·11 cites·20 claims
- 1694US6534199B1Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2000·Granted Mar 18, 2003·130 cites·9 claims
- 1793US6818327B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Granted Nov 16, 2004·26 cites·8 claims
- 1892US7651791B2Material for organic electroluminescence device and electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2005·Granted Jan 26, 2010·23 cites·17 claims
- 1992US7429425B2Oligoarylene derivatives and organic electroluminescent devices made by using the sameIDEMITSU KOSAN CO·Filed 2003·Granted Sep 30, 2008·20 cites·11 claims
- 2092US7361796B2Orangic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2005·Granted Apr 22, 2008·21 cites·6 claims
- 2189US8685543B2Material for organic electroluminescent devices and organic electroluminescent devices made by using the sameIWAKUMA TOSHIHIRO·Filed 2012·Granted Apr 1, 2014·4 cites·22 claims
- 2288US11557730B2Organic electroluminescence device and novel compoundIDEMITSU KOSAN CO·Filed 2019·Granted Jan 17, 2023·2 cites·22 claims
- 2387US11489123B2Compound, organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2018·Granted Nov 1, 2022·2 cites·10 claims
- 2487US11342512B2Compounds for organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2021·Granted May 24, 2022·1 cites·29 claims
- 2587US8911886B2Material for organic electroluminescent devices and organic electroluminescent devices made by using the sameIDEMITSU KOSAN CO·Filed 2013·Granted Dec 16, 2014·4 cites·12 claims
- 2687US7846560B2Material for organic electroluminescence device and electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2009·Granted Dec 7, 2010·20 cites·11 claims
- 2786US8318324B2Organic electroluminescence device and anthracene derivativeIKEDA HIDETSUGU·Filed 2010·Granted Nov 27, 2012·3 cites·14 claims
- 2886US7867629B2Nitrogenous heterocyclic derivative and organic electroluminescent element employing the sameIDEMITSU KOSAN CO·Filed 2003·Granted Jan 11, 2011·17 cites·12 claims
- 2985US12108666B2Compound and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2019·Granted Oct 1, 2024·2 cites·23 claims
- 3084US7709102B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2005·Granted May 4, 2010·8 cites·16 claims
- 3183US11569449B2Organic electroluminescence device and novel compoundIDEMITSU KOSAN CO·Filed 2018·Granted Jan 31, 2023·2 cites·59 claims
- 3283US7990046B2Material for organic electroluminescent devices and organic electroluminescent devices made by using the sameIDEMITSU KOSAN CO·Filed 2003·Granted Aug 2, 2011·9 cites·11 claims
- 3382US8741450B2Material for organic electroluminescence devices and organic electroluminescence device using the materialIWAKUMA TOSHIHIRO·Filed 2012·Granted Jun 3, 2014·4 cites·16 claims
- 3482US6489046B1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2000·Granted Dec 3, 2002·37 cites·11 claims
- 3581US8563145B2Material containing two or three dibenzofuran groups, dibenzothiophene groups, or a combination thereof, which is operable for organic electroluminescence elements, and organic electroluminescence elements using the materialIWAKUMA TOSHIHIRO·Filed 2007·Granted Oct 22, 2013·5 cites·19 claims
- 3680US8580391B2Material for organic electroluminescence devices and organic electroluminescence device using the materialIWAKUMA TOSHIHIRO·Filed 2005·Granted Nov 12, 2013·6 cites·25 claims
- 3778US8785006B2Organic electroluminescence device and anthracene derivativeIKEDA HIDETSUGU·Filed 2012·Granted Jul 22, 2014·1 cites·10 claims
- 3877US8039121B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2006·Granted Oct 18, 2011·4 cites·29 claims
- 3976US6797848B2Anthracene derivative and organic electroluminescence device using the derivativeIDEMITSU KOSAN LTD·Filed 2003·Granted Sep 28, 2004·18 cites·30 claims
- 4071US8766243B2Heterocycle-containing asymmetric aromatic compound, compound for organic thin film transistor, and organic thin film transistor using the sameIKEDA YOICHI·Filed 2010·Granted Jul 1, 2014·1 cites·24 claims
- 4170US10217943B2Organic electroluminescence device and anthracene derivativeIDEMITSU KOSAN CO·Filed 2017·Granted Feb 26, 2019·0 cites·6 claims
- 4270US8759590B2Indenopyrene compound, organic thin film solar cell material using the same, and organic thin film solar cellIKEDA HIDETSUGU·Filed 2009·Granted Jun 24, 2014·2 cites·9 claims
- 4370US7781960B2Metal complex compound and organic electroluminescent element using the sameIDEMITSU KOSAN CO·Filed 2005·Granted Aug 24, 2010·1 cites·6 claims
- 4470US6946789B2EL sheet with bent leg connectorsSEIKO PRECISION KK·Filed 2003·Granted Sep 20, 2005·14 cites·5 claims
- 4569USD303228SClock movementSEIKOSHA KK·Filed 1986·Granted Sep 5, 1989·12 cites·1 claims
- 4665USRE49118EMaterial for organic electroluminescence device and electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2020·Granted Jun 28, 2022·0 cites·30 claims
- 4764US8580398B2Material for organic electroluminescent devices and organic electroluminescent devices made by using the sameIWAKUMA TOSHIHIRO·Filed 2011·Granted Nov 12, 2013·2 cites·13 claims
- 4864US2010160687A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2009·Application pending·0 cites
- 4963US12029119B2Organic electroluminescence element and electronic deviceIDEMITSU KOSAN CO·Filed 2018·Granted Jul 2, 2024·0 cites·17 claims
- 5063USRE46368EMaterial for organic electroluminescent devices and organic electroluminescent devices made by using the sameIDEMITSU KOSAN CO·Filed 2015·Granted Apr 18, 2017·0 cites·33 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →