Inventor · disambiguated record
Hisahiro Higashi
Also filed as: HIGASHI HISAHIRO
19 granted patents·2 pending applications·1,493 citations·filing 1990–2010
97Inventor score
Files withIDEMITSU KOSAN CO21
Top patents by PatentIndex Score
21 records- 0198US5121029AElectroluminescence device having an organic electroluminescent elementIDEMITSU KOSAN CO·Filed 1990·Granted Jun 9, 1992·297 cites·10 claims
- 0297US6617051B1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 1999·Granted Sep 9, 2003·81 cites·32 claims
- 0397US6093864AAromatic dimethylidyne compoundsIDEMITSU KOSAN CO·Filed 1993·Granted Jul 25, 2000·77 cites·5 claims
- 0497US5130603AOrganic electroluminescence deviceIDEMITSU KOSAN CO·Filed 1990·Granted Jul 14, 1992·248 cites·32 claims
- 0595US6406804B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1999·Granted Jun 18, 2002·127 cites·25 claims
- 0694US6534199B1Organic electroluminescence device and organic light emitting mediumIDEMITSU KOSAN CO·Filed 2000·Granted Mar 18, 2003·130 cites·9 claims
- 0794US5503910AOrganic electroluminescence deviceIDEMITSU KOSAN CO·Filed 1994·Granted Apr 2, 1996·144 cites·48 claims
- 0894US5366811AOrganic electroluminescence deviceIDEMITSU KOSAN CO·Filed 1991·Granted Nov 22, 1994·54 cites·28 claims
- 0990US5536949ACharge injection auxiliary material and organic electroluminescence device containing the sameIDEMITSU KOSAN CO·Filed 1993·Granted Jul 16, 1996·97 cites·18 claims
- 1089US5142343AOrganic electroluminescence device with oligomersIDEMITSU KOSAN CO·Filed 1990·Granted Aug 25, 1992·69 cites·13 claims
- 1184US7709102B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2005·Granted May 4, 2010·8 cites·16 claims
- 1278US7045950B2Organic electroluminescence device with organic compound layer containing lower than 500 PPM of a halogen-containing compoundIDEMITSU KOSAN CO·Filed 2003·Granted May 16, 2006·14 cites·5 claims
- 1377US6214481B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1997·Granted Apr 10, 2001·17 cites·3 claims
- 1473US5443921AThin film electroluminescence device and process for production thereofIDEMITSU KOSAN CO·Filed 1991·Granted Aug 22, 1995·26 cites·9 claims
- 1564US6773831B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2002·Granted Aug 10, 2004·8 cites·17 claims
- 1664US6531234B1Organic electroluminescence device and method of its manufactureIDEMITSU KOSAN CO·Filed 2000·Granted Mar 11, 2003·19 cites·4 claims
- 1762US6489489B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2001·Granted Dec 3, 2002·2 cites·7 claims
- 1862US5705284AThin film electroluminescence deviceIDEMITSU KOSAN CO·Filed 1995·Granted Jan 6, 1998·23 cites·13 claims
- 1958US6224966B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1998·Granted May 1, 2001·52 cites·7 claims
- 2056US2006159959A1Organic electroluminescence device with organic compound layer containing lower than 500 ppm of a halogen-containing compoundIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 2152US2010201255A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →