Inventor · disambiguated record
Takashi Arakane
Also filed as: ARAKANE TAKASHI
27 granted patents·39 pending applications·226 citations·filing 1997–2015
96Inventor score
Top patents by PatentIndex Score
66 records- 0196US6815090B1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2000·Granted Nov 9, 2004·36 cites·3 claims
- 0295US8623524B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2013·Granted Jan 7, 2014·13 cites·18 claims
- 0394US8367222B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2009·Granted Feb 5, 2013·23 cites·19 claims
- 0493US6818327B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Granted Nov 16, 2004·26 cites·8 claims
- 0591US7879465B2Organic electric-field light-emitting elementIDEMITSU KOSAN CO·Filed 2010·Granted Feb 1, 2011·8 cites·5 claims
- 0689US8685543B2Material for organic electroluminescent devices and organic electroluminescent devices made by using the sameIWAKUMA TOSHIHIRO·Filed 2012·Granted Apr 1, 2014·4 cites·22 claims
- 0787US8911886B2Material 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
- 0886US8945724B2Nitrogen-containing heterocyclic derivative and organic electroluminescent device using the sameYAMAMOTO HIROSHI·Filed 2008·Granted Feb 3, 2015·5 cites·16 claims
- 0986US6929871B2Organic electric-field light-emitting elementIDEMITSU KOSAN CO·Filed 2001·Granted Aug 16, 2005·27 cites·10 claims
- 1084US7737625B2Organic electroluminescent device with carrier blocking layer interposed between two emitting layersIDEMITSU KOSAN CO·Filed 2005·Granted Jun 15, 2010·9 cites·11 claims
- 1183US8035297B2Organic electroluminescent device with carrier blocking layer interposed between two emitting layersIDEMITSU KOSAN CO·Filed 2010·Granted Oct 11, 2011·5 cites·18 claims
- 1283US7990046B2Material 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
- 1382US8741450B2Material for organic electroluminescence devices and organic electroluminescence device using the materialIWAKUMA TOSHIHIRO·Filed 2012·Granted Jun 3, 2014·4 cites·16 claims
- 1480US8580391B2Material for organic electroluminescence devices and organic electroluminescence device using the materialIWAKUMA TOSHIHIRO·Filed 2005·Granted Nov 12, 2013·6 cites·25 claims
- 1576US7087322B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2004·Granted Aug 8, 2006·16 cites·14 claims
- 1669US9174938B2Organic electroluminescence deviceJINDE YUKITOSHI·Filed 2008·Granted Nov 3, 2015·4 cites·10 claims
- 1766US8895154B2Organic electroluminescent deviceIWAKUMA TOSHIHIRO·Filed 2005·Granted Nov 25, 2014·4 cites·17 claims
- 1864US8580398B2Material for organic electroluminescent devices and organic electroluminescent devices made by using the sameIWAKUMA TOSHIHIRO·Filed 2011·Granted Nov 12, 2013·2 cites·13 claims
- 1963USRE46368EMaterial 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
- 2062US2012298975A1Material for organic electroluminescence devices and organic electroluminescence device using the materialIWAKUMA TOSHIHIRO·Filed 2012·Application pending·0 cites
- 2162US2008074045A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 2261US2006024523A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 2359US8841003B2Organic electric-field light-emitting elementARAKANE TAKASHI·Filed 2005·Granted Sep 23, 2014·1 cites·7 claims
- 2459US7834346B2Nitrogenous heterocyclic derivative and organic electroluminescence device making use of the sameIDEMITSU KOSAN CO·Filed 2006·Granted Nov 16, 2010·1 cites·10 claims
- 2559US7235312B2Aromatic compounds and organic electroluminescent devices made by using the sameIDEMITSU KOSAN CO·Filed 2002·Granted Jun 26, 2007·2 cites·4 claims
- 2658US5968699AElectrophotographic carrier and electrophotographic developer using sameIDEMITSU KOSAN CO·Filed 1997·Granted Oct 19, 1999·13 cites·6 claims
- 2756US2009072732A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 2854US2007254186A1Organic electric-field light-emitting elementIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 2954US2007003788A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 3053US2006257687A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 3152US2010201255A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2010·Application pending·0 cites
- 3252US2010039027A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 3352US2004214043A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2004·Application pending·0 cites
- 3449US8058450B2Nitrogenous heterocyclic derivative and organic electroluminescence device making use of the sameHOSOKAWA CHISHIO·Filed 2006·Granted Nov 15, 2011·0 cites·7 claims
- 3548US2008193796A1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 3647US7939183B2Material for organic electroluminescent device and organic electroluminescent device using sameIDEMITSU KOSAN CO·Filed 2004·Granted May 10, 2011·2 cites·13 claims
- 3747US2009243473A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 3846US2008007160A1Organic electroluminescent device using fluoranthene derivative and indenoperylene derivativeIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 3946US2008018237A1Nitrogen-containing heterocyclic derivatives and organic electroluminescence device using the sameIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 4046US2007222373A1Naphthacene derivative and organic electroluminescent device using the sameIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 4145US2007104977A1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 4245US2009140637A1Nitrogen-containing heterocyclic derivative having electron-attracting substituent and organic electroluminescence element using the sameIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 4345US2009278115A1Nitrogen-containing heterocyclic derivative and organic electroluminescence element using the sameIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 4445US2007075635A1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 4544US2006257684A1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2003·Application pending·0 cites
- 4644US2004086745A1Material for organic electroluminescence devices and organic electroluminescence device using the materialIDEMITSU KOSAN CO·Filed 2003·Application pending·0 cites
- 4744US2007120466A1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 4844US2009091240A1Compound containing fused ring and organic electroluminescent element employing the sameIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 4943US2003077480A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Application pending·0 cites
- 5043US2007190355A1Material for organic electroluminescence device and organic electroluminescence device utilizing the sameIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →