Inventor · disambiguated record
Chizu Sekine
Also filed as: SEKINE CHIZU
33 granted patents·11 pending applications·192 citations·filing 1990–2016
96Inventor score
Top patents by PatentIndex Score
44 records- 0188US6849202B2Compound having phenylacetylene structure, liquid crystal composition, polymer, optically anisotropic product, optical or liquid crystal element, dibenzothiophene compound, intermediate, and process for producing the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Feb 1, 2005·15 cites·7 claims
- 0286US9929347B2Polymer compound and light emitting element using sameSUMITOMO CHEMICAL CO·Filed 2013·Granted Mar 27, 2018·5 cites·22 claims
- 0385US6623810B2Phenylacetylene compound, liquid crystal composition, and liquid crystal element produced with the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Sep 23, 2003·15 cites·8 claims
- 0482US6149837APhenylacetylene compound and liquid crystal composition comprising the sameSUMITOMO CHEMICAL CO·Filed 1999·Granted Nov 21, 2000·55 cites·14 claims
- 0580US8263735B2Polymer compound and polymer light-emitting device using the sameKITANO MAKOTO·Filed 2010·Granted Sep 11, 2012·4 cites·16 claims
- 0676US7135579B2Dibenzothiophene oxide compound, and process for producing the sameSUMITOMO CHEMICAL CO·Filed 2004·Granted Nov 14, 2006·5 cites·9 claims
- 0773US8519092B2Polymer compound and polymer light-emitting device using the sameKITANO MAKOTO·Filed 2012·Granted Aug 27, 2013·2 cites·19 claims
- 0872US8274074B2Polymer material and device using the sameSEKINE CHIZU·Filed 2006·Granted Sep 25, 2012·4 cites·15 claims
- 0969US7208567B2Polymer compound and polymer light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Apr 24, 2007·11 cites·57 claims
- 1064US8017721B2Polymer film and polymer film device using the sameSUMITOMO CHEMICAL CO·Filed 2008·Granted Sep 13, 2011·1 cites·14 claims
- 1163US9048442B2Composition containing a metal complex and organic compound, and light-emitting element using said compoundASADA KOHEI·Filed 2009·Granted Jun 2, 2015·1 cites·16 claims
- 1263US6673267B2Phenylacetylene compound, liquid crystal composition, polymer, optically anisotropic product, and liquid crystal or optical elementSUMITOMO CHEMICAL CO·Filed 2000·Granted Jan 6, 2004·7 cites·13 claims
- 1360US7772360B2Polymer compound and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Aug 10, 2010·6 cites·18 claims
- 1458US9976078B2Polymer compound, luminescent material, and light emitting deviceSUMITOMO CHEMICAL CO·Filed 2016·Granted May 22, 2018·0 cites·31 claims
- 1558US5779934AFluorine-containing optically active compound, process for preparing the same and liquid crystal mixture and liquid crystal element comprising the sameSUMITOMO CHEMICAL CO·Filed 1995·Granted Jul 14, 1998·7 cites·15 claims
- 1657US7452961B2Polymer film and polymer film device using sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Nov 18, 2008·4 cites·2 claims
- 1756US2008139824A1Dibenzothiophene oxide compound, and process for producing the sameSEKINE CHIZU·Filed 2007·Application pending·0 cites
- 1855US5238598AOptically active aromatic compounds, preparation process thereof, and liquid crystal compositions and elementsSUMITOMO CHEMICAL CO·Filed 1990·Granted Aug 24, 1993·5 cites·8 claims
- 1954US6246452B1Liquid crystal, liquid crystal mixture having Tau-V min mode driving with negative or zero temperature dependencySUMITOMO CHEMICAL CO·Filed 1995·Granted Jun 12, 2001·14 cites·20 claims
- 2054US5707547ATrans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said compositionSUMITOMO CHEMICAL CO·Filed 1994·Granted Jan 13, 1998·10 cites·3 claims
- 2154US2007057229A1Compound having phenylacetylene structure, liquid crystal composition, polymer, optically anisotropic product, optical or liquid crystal element, dibenzothiophene compound, intermediate, and process for producing the sameSEKINE CHIZU·Filed 2006·Application pending·0 cites
- 2253US7157154B2Polymer and polymeric luminescent element comprising the sameKANSAI TECH LICENSING ORG CO·Filed 2003·Granted Jan 2, 2007·3 cites·26 claims
- 2353US2010033086A1Polymer compound and composition containing the sameSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 2452US8142908B2Polymer light-emitting material comprising a conjugated polymer and compound exhibiting light emission from the triplet excited state and polymer light-emitting device using the sameNAKATANI TOMOYA·Filed 2004·Granted Mar 27, 2012·3 cites·17 claims
- 2552US6030546ATrans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said compositionSUMITOMO CHEMICAL CO·Filed 1997·Granted Feb 29, 2000·4 cites·14 claims
- 2651US9315723B2Polymer compound, luminescent material, and light emitting deviceAKINO NOBUHIKO·Filed 2006·Granted Apr 19, 2016·0 cites·14 claims
- 2749US2010109517A1Pyrene polymer compound and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 2846US2009043064A1Metal complex, polymer compound, and device containing itSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 2945US2010177264A1Light-emitting material containing metal complex and photoelectric device using sameSUMITOMO CHECMICAL COMPANY LTD·Filed 2006·Application pending·0 cites
- 3042US2012211707A1Metal complex composition and complex polymerKONNO HIDEO·Filed 2010·Application pending·0 cites
- 3142US2010264812A1Metal complex, light-emitting material, and light-emitting deviceSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 3240US8889265B2Copolymer and polymer light emitting device using the sameSUZUKI TOMOYUKI·Filed 2003·Granted Nov 18, 2014·0 cites·24 claims
- 3340US2007103059A1Composition and polymer light-emitting deviceSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 3439US5866035ALiquid crystal mixture and liquid crystal device comprising the sameSUMITOMO CHEMICAL CO·Filed 1996·Granted Feb 2, 1999·5 cites·15 claims
- 3539US2008248220A1Light-Emitting Material and Light-Emitting Device Using the SameSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 3638US2008100199A1Polymer Material and Device Using the SameSEKINE CHIZU·Filed 2005·Application pending·0 cites
- 3735US5762825ALiquid crystal mixture and liquid crystal device comprising the sameSUMITOMO CHEMICAL CO·Filed 1995·Granted Jun 9, 1998·3 cites·20 claims
- 3834US5545345ALiquid crystal mixture and liquid crystal element comprsing the sameSUMITOMO CHEMICAL CO·Filed 1994·Granted Aug 13, 1996·3 cites·8 claims
- 3934US5539115APhenylpyrimidine derivatives, process for preparing the same, liquid crystal composition containing said derivatives as active ingredient, and liquid crystal elements using such compositionsSUMITOMO CHEMICAL CO·Filed 1993·Granted Jul 23, 1996·0 cites·17 claims
- 4033US5723610AAlcohol reactants for forming phenylpyrimidine derivatives and process for preparing said alcoholsSUMITOMO CHEMICAL CO·Filed 1996·Granted Mar 3, 1998·0 cites·4 claims
- 4132US5741438AOptically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as an effective component, and liquid crystal element using the sameSUMITOMO CHEMICAL CO·Filed 1995·Granted Apr 21, 1998·0 cites·7 claims
- 4231US5422038AOptically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the sameSUMITOMO CHEMICAL CO·Filed 1993·Granted Jun 6, 1995·0 cites·11 claims
- 4330US5326871AOptically active pyrimidine compound, process for producing the same and liquid crystal composition containing the sameSUMITOMO CHEMICAL CO·Filed 1992·Granted Jul 5, 1994·0 cites·10 claims
- 4427US9287514B2Metal complex and device using the metal complexKITAMURA NOBORU·Filed 2011·Granted Mar 15, 2016·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →