Inventor · disambiguated record
Kumi Kojima
Also filed as: KOJIMA KUMI
19 granted patents·3 pending applications·246 citations·filing 2005–2019
95Inventor score
Top patents by PatentIndex Score
22 records- 0197US8298687B2Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic deviceKAWAKAMI SACHIKO·Filed 2011·Granted Oct 30, 2012·23 cites·20 claims
- 0297US8039122B2Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Oct 18, 2011·33 cites·25 claims
- 0396US7649197B2Composite material, and light emitting element and light emitting device using the composite materialSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Jan 19, 2010·51 cites·19 claims
- 0494US8603647B2Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic deviceKAWAKAMI SACHIKO·Filed 2012·Granted Dec 10, 2013·10 cites·12 claims
- 0593US7838128B2Carbazole derivative, and light emitting element material, light emitting element, and electronic appliance obtained using the sameSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Nov 23, 2010·28 cites·12 claims
- 0691US7646010B2Light-emitting element, light-emitting device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Jan 12, 2010·23 cites·9 claims
- 0790US7879464B2Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic applianceSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Feb 1, 2011·20 cites·10 claims
- 0889US7796240B2Evaluation method and manufacturing method of light-emitting element material, manufacturing method of light-emitting element, and light-emitting device and electric appliance having light-emitting elementSEMICONDUCTOR ENERGY LAB·Filed 2009·Granted Sep 14, 2010·11 cites·14 claims
- 0987US8405070B2Composite material, and light emitting element and light emitting device using the composite materialIWAKI YUJI·Filed 2009·Granted Mar 26, 2013·11 cites·28 claims
- 1083US8815410B2Anthracene derivative, light emitting element using the same, and light emitting device using the sameNAKASHIMA HARUE·Filed 2005·Granted Aug 26, 2014·7 cites·13 claims
- 1182US7732064B2Anthracene derivative, and light-emitting element, light-emitting device, and electronic appliance using the sameSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Jun 8, 2010·8 cites·12 claims
- 1281US8686628B2Anthracene derivativeKAWAKAMI SACHIKO·Filed 2006·Granted Apr 1, 2014·6 cites·18 claims
- 1373US11296280B2Anthracene derivative, light emitting element using the same, and light emitting device using the sameSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Apr 5, 2022·0 cites·11 claims
- 1472US8659008B2Composite material and light emitting element, light emitting device, and electronic device using the composite materialSEO SATOSHI·Filed 2006·Granted Feb 25, 2014·3 cites·60 claims
- 1571US7505122B2Evaluation method and manufacturing method of light-emitting element material, manufacturing method of light-emitting element, light-emitting element, and light-emitting device and electric appliance having light-emitting elementSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Mar 17, 2009·2 cites·16 claims
- 1668US7541099B2Anthracene derivative and light emitting element and light emitting device using the sameSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Jun 2, 2009·8 cites·14 claims
- 1766US10326078B2Anthracene derivative, light-emitting element using the same, and light-emitting device using the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jun 18, 2019·0 cites·18 claims
- 1865US9478751B2Anthracene derivative, light emitting element using the same, and light emitting device using the sameSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Oct 25, 2016·0 cites·20 claims
- 1949US2007031701A1Carbazole derivative, light-emitting element material obtained by using carbazole derivative, light-emitting element, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Application pending·0 cites
- 2048US7914911B2Anthracene derivative and light emitting element and light emitting device using the sameSEMICONDUCTOR ENERGY LAB·Filed 2009·Granted Mar 29, 2011·2 cites·20 claims
- 2145US2007049760A1Carbazole derivative, material for light emitting element, light emitting element, light emitting device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Application pending·0 cites
- 2244US2008254318A1Carbazole Derivative, and Light-Emitting Element and Light-Emitting Device Using the Carbzole DerivativeSEMICONDUCTOR ENERGY LAB·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →