Inventor · disambiguated record
Hisayuki Kawamura
Also filed as: KAWAMURA HISAYUKI
46 granted patents·38 pending applications·1,091 citations·filing 1993–2021
98Inventor score
Top patents by PatentIndex Score
84 records- 0199US7399537B2Organic electroluminescence device and phenylenediamine derivativeIDEMITSU KOSAN CO·Filed 2005·Granted Jul 15, 2008·87 cites·7 claims
- 0298US7306861B2Sputtering target, sintered compact, electrically conductive film produced by using the same, and organic EL device and substrate used for the sameIDEMITSU KOSAN CO·Filed 2006·Granted Dec 11, 2007·45 cites·7 claims
- 0398US6951693B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Granted Oct 4, 2005·88 cites·9 claims
- 0498US6416888B1Organic electroluminescent device and method of manufacture thereofIDEMITSU KOSAN CO·Filed 2000·Granted Jul 9, 2002·159 cites·25 claims
- 0597US8883324B2Aromatic amine derivative and organic electroluminescent device using sameYABUNOUCHI NOBUHIRO·Filed 2012·Granted Nov 11, 2014·17 cites·13 claims
- 0696US6632543B1Amine compound and organic electroluminescence device using the compoundIDEMITSU KOSAN CO·Filed 2000·Granted Oct 14, 2003·51 cites·13 claims
- 0795US6743948B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1999·Granted Jun 1, 2004·118 cites·2 claims
- 0893US6541129B1Organic electroluminescence device and phenylenediamine derivativeIDEMITSU KOSAN CO·Filed 1999·Granted Apr 1, 2003·86 cites·8 claims
- 0993US6074734AOrganic electroluminescence device, organic thin film, and triamine compoundIDEMITSU KOSAN CO·Filed 1996·Granted Jun 13, 2000·62 cites·10 claims
- 1092US7429425B2Oligoarylene derivatives and organic electroluminescent devices made by using the sameIDEMITSU KOSAN CO·Filed 2003·Granted Sep 30, 2008·20 cites·11 claims
- 1192US7393600B2Sputtering target, sintered article, conductive film fabricated by utilizing the same, organic EL device, and substrate for use thereinIDEMITSU KOSAN CO·Filed 2003·Granted Jul 1, 2008·50 cites·16 claims
- 1291US7528542B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2005·Granted May 5, 2009·37 cites·12 claims
- 1391US5837166AOrganic electroluminescence device and arylenediamine derivativeIDEMITSU KOSAN CO·Filed 1994·Granted Nov 17, 1998·35 cites·9 claims
- 1488US8093800B2Sputtering target, sintered article, conductive film fabricated by utilizing the same, organic EL device, and substrate for use thereinINOUE KAZUYOSHI·Filed 2008·Granted Jan 10, 2012·11 cites·33 claims
- 1587US8044222B2Aromatic amine derivatives and organic electroluminescent device using sameIDEMITSU KOSAN CO·Filed 2007·Granted Oct 25, 2011·8 cites·20 claims
- 1687US8013160B2Fluorene-based derivative and organic electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2010·Granted Sep 6, 2011·3 cites·8 claims
- 1787US6635365B2Organic electroluminescent device and method of manufacture thereofIDEMITSU KOSAN CO·Filed 2002·Granted Oct 21, 2003·29 cites·12 claims
- 1885US7781628B2Fluorene-based derivative and organic electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2008·Granted Aug 24, 2010·4 cites·20 claims
- 1984US7737625B2Organic electroluminescent device with carrier blocking layer interposed between two emitting layersIDEMITSU KOSAN CO·Filed 2005·Granted Jun 15, 2010·9 cites·11 claims
- 2083US8035297B2Organic electroluminescent device with carrier blocking layer interposed between two emitting layersIDEMITSU KOSAN CO·Filed 2010·Granted Oct 11, 2011·5 cites·18 claims
- 2183US7888865B2Organic electroluminescent device and display having multiple emitting layersIDEMITSU KOSAN CO·Filed 2005·Granted Feb 15, 2011·9 cites·10 claims
- 2282US7683225B2Fluorene-based derivative and organic electroluminescence device employing the sameIDEMITSU KOSAN CO·Filed 2005·Granted Mar 23, 2010·3 cites·16 claims
- 2381US6504300B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2001·Granted Jan 7, 2003·21 cites·8 claims
- 2479US7423371B2Organic electroluminescence element and manufacturing method thereofIDEMITSU KOSAN CO·Filed 2005·Granted Sep 9, 2008·4 cites·7 claims
- 2577US8629613B2Aromatic amine derivative and organic electroluminescent device using sameYABUNOUCHI NOBUHIRO·Filed 2005·Granted Jan 14, 2014·5 cites·10 claims
- 2677US6214481B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1997·Granted Apr 10, 2001·17 cites·3 claims
- 2776US7576486B2Organic electroluminescence element having two electroluminescent layers through electron barrier layerIDEMITSU KOSAN CO·Filed 2005·Granted Aug 18, 2009·4 cites·14 claims
- 2876US6856089B2Organic electroluminescence element and manufacturing method thereofIDEMITSU KOSAN CO·Filed 2001·Granted Feb 15, 2005·17 cites·21 claims
- 2974US7598667B2Arylamine compound and organic electroluminescence device containing the sameIDEMITSU KOSAN CO·Filed 2004·Granted Oct 6, 2009·15 cites·10 claims
- 3069US6998773B2Organic electroluminescence element and manufacturing method thereofIDEMITSU KOSAN CO·Filed 2004·Granted Feb 14, 2006·10 cites·3 claims
- 3168US7321066B2Method for producing aromatic diamine derivativeIDEMITSU KOSAN CO·Filed 2004·Granted Jan 22, 2008·4 cites·9 claims
- 3264US6259203B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1998·Granted Jul 10, 2001·20 cites·10 claims
- 3364US2010160687A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2009·Application pending·0 cites
- 3462US6762438B2Organic electroluminescent layer with oligomer hole injection layerIDEMITSU KOSAN CO·Filed 2002·Granted Jul 13, 2004·6 cites·9 claims
- 3562US6489489B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2001·Granted Dec 3, 2002·2 cites·7 claims
- 3662US2009009074A1Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The SameIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 3762US2009009073A1Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The SameIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 3861US2007142671A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 3961US2011175521A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2011·Application pending·0 cites
- 4060US9112167B2Aromatic amine derivatives and organic electroluminescent device using sameIDEMITSU KOSAN CO·Filed 2013·Granted Aug 18, 2015·0 cites·20 claims
- 4160US2012153815A1Organic electroluminescence deviceHOSOKAWA CHISHIO·Filed 2012·Application pending·0 cites
- 4258US2008241591A1Organic electroluminescence device and phenylenediamine derivativeIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 4358US2012228594A1Aromatic amine derivative and organic electroluminescent device using sameYABUNOUCHI NOBUHIRO·Filed 2012·Application pending·0 cites
- 4458US2012302793A1Aromatic amine derivative and organic electroluminescent device using sameYABUNOUCHI NOBUHIRO·Filed 2012·Application pending·0 cites
- 4557US2006189828A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 4657US2012184776A1Aromatic amine derivative and organic electroluminescent device using sameYABUNOUCHI NOBUHIRO·Filed 2012·Application pending·0 cites
- 4755US2022098223A1Hexacoordinated organoantimony complex and organic light-emitting diode using the sameTOKYO METROPOLITAN PUBLIC UNIV CORPORATION·Filed 2021·Application pending·0 cites
- 4855US2008108832A1Aromatic amine derivatives and organic electroluminescent device using sameIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 4954US12167681B2Anthracene derivatives and organic electronic device using sameLG CHEMICAL LTD·Filed 2020·Granted Dec 10, 2024·0 cites·11 claims
- 5054US11825739B2Boron-containing compound and organic light-emitting diodeFLASK CORP·Filed 2021·Granted Nov 21, 2023·0 cites·14 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →