Inventor · disambiguated record
Kazuei Ohuchi
Also filed as: OHUCHI KAZUEI
15 granted patents·18 pending applications·14 citations·filing 2004–2020
86Inventor score
Files withSUMITOMO CHEMICAL CO22FUKUSHIMA DAISUKE3OHUCHI KAZUEI3CAMBRIDGE DISPLAY TECH LTD1GOTO OSAMU1
Top patents by PatentIndex Score
33 records- 0185US8048982B2Method for producing aromatic compound polymerSUMITOMO CHEMICAL CO·Filed 2005·Granted Nov 1, 2011·6 cites·11 claims
- 0276US10128449B2Metal complex and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2014·Granted Nov 13, 2018·3 cites·15 claims
- 0371US9905767B2High-molecular compound and light-emitting element using sameSUMITOMO CHEMICAL CO·Filed 2013·Granted Feb 27, 2018·2 cites·15 claims
- 0465US9691983B2Composition containing polymer compound and light-emitting device using the sameSOGA MASAYUKI·Filed 2011·Granted Jun 27, 2017·1 cites·26 claims
- 0563US8940856B2Heterocyclic compound and heterocyclic polymersSUMITOMO CHEMICAL CO·Filed 2013·Granted Jan 27, 2015·0 cites·3 claims
- 0662US9853218B2High-molecular compound and light-emitting element using sameSUMITOMO CHEMICAL CO·Filed 2013·Granted Dec 26, 2017·1 cites·15 claims
- 0760US7852434B2Aromatic polymerSUMITOMO CHEMICAL CO·Filed 2006·Granted Dec 14, 2010·1 cites·25 claims
- 0859US2009318651A1Heterocyclic compound and heterocyclic polymersSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 0952US2023070277A1Metal complex, and composition and light emitting device containing the sameSUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 1050US2012016147A1Method for producing aromatic compound polymerHIGASHIMURA HIDEYUKI·Filed 2011·Application pending·0 cites
- 1148US11214585B2Light-emitting compositionCAMBRIDGE DISPLAY TECH LTD·Filed 2016·Granted Jan 4, 2022·0 cites·19 claims
- 1248US2011309341A1Amine polymer compound and light emitting device using the sameOHUCHI KAZUEI·Filed 2009·Application pending·0 cites
- 1347US2009096355A1Aromatic Graft PolymerSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 1446US8895675B2Block copolymerFUKUSHIMA DAISUKE·Filed 2006·Granted Nov 25, 2014·0 cites·37 claims
- 1546US2022123220A1Compound and light emitting element using sameSUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 1646US2009184292A1Polymer compound and polymer light emitting deviceSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 1746US2010230666A1Amine-type polymeric compound, and light-emitting element comprising the sameSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 1844US2009045725A1PolyaryleneSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 1944US2013193840A1Composition and light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2013·Application pending·0 cites
- 2043US8617724B2Polymer compound and light emitting device using the sameFUKUSHIMA DAISUKE·Filed 2011·Granted Dec 31, 2013·0 cites·13 claims
- 2143US2009209715A1Process for producing polymerSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 2242US2021175440A1Light emitting deviceSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
- 2341US2009099391A1Novel Aryl CompoundSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 2439US2018375034A1Light emitting deviceSUMITOMO CHEMICAL CO·Filed 2016·Application pending·0 cites
- 2538US2008233429A1Polymer Compound and Polymer Light-Emitting Device Using the SameSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 2637US10529934B2Metal complex and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2015·Granted Jan 7, 2020·0 cites·14 claims
- 2736US2013228724A1Polymer compound and production method thereofOHUCHI KAZUEI·Filed 2011·Application pending·0 cites
- 2835US2012217445A1Polymer compound and method for producing the sameFUKUSHIMA DAISUKE·Filed 2010·Application pending·0 cites
- 2935US2017166599A1Metal complex and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2015·Application pending·0 cites
- 3034US10700292B2Metal complex and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2015·Granted Jun 30, 2020·0 cites·6 claims
- 3134US9109081B2Method for producing aromatic polymerYOKOZAWA TSUTOMU·Filed 2006·Granted Aug 18, 2015·0 cites·3 claims
- 3233US9478744B2High molecular compound, method for producing same, and light-emitting elementGOTO OSAMU·Filed 2011·Granted Oct 25, 2016·0 cites·34 claims
- 3333US9112154B2Metaphenylene polymer compound and light emitting device using the sameOHUCHI KAZUEI·Filed 2010·Granted Aug 18, 2015·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →