Inventor · disambiguated record
Takao Hamada
Also filed as: HAMADA TAKAO
33 granted patents·10 pending applications·250 citations·filing 1982–2025
97Inventor score
Files withSEMICONDUCTOR ENERGY LAB32KAWASAKI STEEL CO4KAWATETSU MINING2YAMAZAKI SHUNPEI2FUJITSU LTD1
Top patents by PatentIndex Score
43 records- 0197US12127479B2Light-emitting element, light-emitting device, electronic device, lighting device, and organic compoundSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Oct 22, 2024·1 cites·18 claims
- 0297US10418565B2Light-emitting element, light-emitting device, electronic device, lighting device, and organic compoundSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Sep 17, 2019·7 cites·16 claims
- 0397US10069076B2Light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Sep 4, 2018·12 cites·30 claims
- 0497US9412962B2Light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Aug 9, 2016·27 cites·18 claims
- 0596US11800799B2Light-emitting element, light-emitting device, electronic device, lighting device, and organic compoundSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Oct 24, 2023·1 cites·12 claims
- 0694US11043637B2Light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Jun 22, 2021·4 cites·16 claims
- 0794US10897012B2Light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Jan 19, 2021·4 cites·33 claims
- 0894US9309458B2Phosphorescent organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Apr 12, 2016·12 cites·24 claims
- 0993US9985221B2Light-emitting element, light-emitting device, electronic device, lighting device, and organic compoundSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted May 29, 2018·5 cites·16 claims
- 1092US9419237B2Organic compound, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Aug 16, 2016·8 cites·12 claims
- 1190US2025120314A1Light-Emitting Element, Light-Emitting Device, Electronic Device, Lighting Device, and Organic CompoundSEMICONDUCTOR ENERGY LAB·Filed 2024·Application pending·0 cites
- 1287US12295256B2Light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted May 6, 2025·0 cites·9 claims
- 1387US10141524B2Phosphorescent organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Nov 27, 2018·5 cites·10 claims
- 1487US4874427AMethods for melting and refining a powdery ore containing metal oxidesKAWASAKI STEEL CO·Filed 1987·Granted Oct 17, 1989·50 cites·7 claims
- 1587US2025331413A1Light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2025·Application pending·0 cites
- 1685US11552256B2Light-emitting element, light-emitting device, electronic device, lighting device, and organic compoundSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Jan 10, 2023·1 cites·18 claims
- 1784US11072623B2Light-emitting element, display device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jul 27, 2021·2 cites·40 claims
- 1883US9059411B2Fluorene compound, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Jun 16, 2015·3 cites·17 claims
- 1983US8182863B2Deposition method and manufacturing method of light-emitting deviceYAMAZAKI SHUNPEI·Filed 2009·Granted May 22, 2012·6 cites·23 claims
- 2078US11968889B2Light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Apr 23, 2024·0 cites·16 claims
- 2177US9997725B2Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jun 12, 2018·2 cites·34 claims
- 2275US10355219B2Organic compound, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jul 16, 2019·1 cites·31 claims
- 2373US9159934B2Organic material, light-emitting element, light-emitting device, electronic appliance, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Oct 13, 2015·2 cites·17 claims
- 2470US4505745AMethods of producing and using amorphous mother alloyKAWASAKI STEEL CO·Filed 1983·Granted Mar 19, 1985·18 cites·2 claims
- 2568US9825235B2Organic compound, light-emitting element, display module, lighting module, light-emitting device, display device, lighting device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Nov 21, 2017·1 cites·19 claims
- 2668US8956709B2Deposition method and manufacturing method of light-emitting deviceYAMAZAKI SHUNPEI·Filed 2012·Granted Feb 17, 2015·1 cites·22 claims
- 2767US2021355149A1Light-Emitting Element, Display Device, Electronic Device, and Lighting DeviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Application pending·0 cites
- 2863US10811617B2Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Oct 20, 2020·0 cites·19 claims
- 2963US4733619APowder feederUBE INDUSTRIES·Filed 1986·Granted Mar 29, 1988·15 cites·8 claims
- 3060US2018047911A1Organic Compound, Light-Emitting Element, Display Module, Lighting Module, Light-Emitting Device, Display Device, Lighting Device, and Electronic DeviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Application pending·0 cites
- 3157US5751924AMultiple overlay printing and outputting device and multiple overlay printing systemFUJITSU LTD·Filed 1997·Granted May 12, 1998·28 cites·25 claims
- 3256US4397691AMethod for producing Fe-B molten metalKAWASAKI STEEL CO·Filed 1982·Granted Aug 9, 1983·11 cites·4 claims
- 3352US6402803B1Ultrafine nickel powderKAWATETSU MINING·Filed 1998·Granted Jun 11, 2002·14 cites·17 claims
- 3451US6881377B2Methods for manufacturing capacitors and electrodes using ultrafine nickel powderKAWATETSU MINING·Filed 2003·Granted Apr 19, 2005·4 cites·13 claims
- 3550US11522138B2Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Dec 6, 2022·0 cites·13 claims
- 3641US6596052B2Ultrafine nickel powderKAMATETSU MINING CO LTD·Filed 2001·Granted Jul 22, 2003·2 cites·15 claims
- 3741US2016190479A1Light-Emitting Element, Organic Compound, Light-Emitting Device, Electronic Device, and Lighting DeviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Application pending·0 cites
- 3840US2016028027A1Organometallic Complex, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting DeviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Application pending·0 cites
- 3940US2016075718A1Organic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting DeviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Application pending·0 cites
- 4037US2016254461A1Organometallic Complex, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting DeviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Application pending·0 cites
- 4137US2016013421A1Light-Emitting Element, Compound, Display Module, Lighting Module, Light-Emitting Device, Display Device, Lighting Device, and Electronic DeviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Application pending·0 cites
- 4235US2017062749A1Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting DeviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Application pending·0 cites
- 4334US5131942AMethod for producing molten metal from powder state oreKAWASAKI STEEL CO·Filed 1990·Granted Jul 21, 1992·3 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →