Assignee
SUMITOMO CHEMICAL CO
5,883 granted patents·1,985 pending applications·60,841 citations·filing 1966–2025
Top patents by PatentIndex Score
7,868 records- 0199US5317169AOrganic electroluminescence deviceSUMITOMO CHEMICAL CO·Filed 1992·Granted May 31, 1994·318 cites·14 claims
- 0299US4315086AResin compositionsSUMITOMO CHEMICAL CO·Filed 1980·Granted Feb 9, 1982·232 cites·12 claims
- 0398US10995272B2Pellet mixture and injection molded productSUMITOMO CHEMICAL CO·Filed 2020·Granted May 4, 2021·5 cites·10 claims
- 0498US9508975B1Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery laminated separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2016·Granted Nov 29, 2016·20 cites·6 claims
- 0598US7985351B2Liquid-crystal polyester resin compositionSUMITOMO CHEMICAL CO·Filed 2005·Granted Jul 26, 2011·52 cites·6 claims
- 0698US7935984B2Compound semiconductor epitaxial substrate and method for producing the sameSUMITOMO CHEMICAL CO·Filed 2007·Granted May 3, 2011·95 cites·6 claims
- 0798US7304175B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted Dec 4, 2007·100 cites·15 claims
- 0898US7301047B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted Nov 27, 2007·57 cites·23 claims
- 0998US7161036B2Process for producing oximeSUMITOMO CHEMICAL CO·Filed 2004·Granted Jan 9, 2007·1.5k cites·6 claims
- 1098US6455636B2Thermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 2001·Granted Sep 24, 2002·97 cites·6 claims
- 1198US5232701ABoron carbonate and solid acid pesticidal compositionSUMITOMO CHEMICAL CO·Filed 1991·Granted Aug 3, 1993·507 cites·10 claims
- 1298US4751225ACertain 2-pyridyloxy-lower alkylene-oxy-phenoxy compounds, thio-and methylene analogues having insecticidal propertiesSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 14, 1988·98 cites·26 claims
- 1398US4640707ATetrahydrophthalimides and their herbicidal useSUMITOMO CHEMICAL CO·Filed 1985·Granted Feb 3, 1987·83 cites·23 claims
- 1498US4317918AProcess for preparing alcoholsSUMITOMO CHEMICAL CO·Filed 1980·Granted Mar 2, 1982·172 cites·12 claims
- 1598US4176189AInsecticidal and acaricidal hydantoin N-methylol estersSUMITOMO CHEMICAL CO·Filed 1978·Granted Nov 27, 1979·74 cites·29 claims
- 1698US3996244AInsecticidal esters of substituted furan methanolSUMITOMO CHEMICAL CO·Filed 1973·Granted Dec 7, 1976·59 cites·11 claims
- 1797US10881108B2Method of protecting field corn from damage by a plant pathogenSUMITOMO CHEMICAL CO·Filed 2020·Granted Jan 5, 2021·5 cites·6 claims
- 1897US10361458B2Laminated bodySUMITOMO CHEMICAL CO·Filed 2017·Granted Jul 23, 2019·10 cites·7 claims
- 1997US7824572B2Liquid crystalline polyester compositionSUMITOMO CHEMICAL CO·Filed 2009·Granted Nov 2, 2010·49 cites·6 claims
- 2097US7439006B2Salt suitable for an acid generator and a chemically amplified positive resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2007·Granted Oct 21, 2008·41 cites·21 claims
- 2197US7344657B2Aromatic liquid-crystalline polyester composition and film of the sameSUMITOMO CHEMICAL CO·Filed 2005·Granted Mar 18, 2008·43 cites·5 claims
- 2297US7262321B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted Aug 28, 2007·42 cites·25 claims
- 2397US6736941B2Process for purifying propylene oxideSUMITOMO CHEMICAL CO·Filed 2001·Granted May 18, 2004·90 cites·3 claims
- 2497US6548686B2Transition metal compound, catalyst for addition polymerization, and process for producing addition polymerSUMITOMO CHEMICAL CO·Filed 2001·Granted Apr 15, 2003·102 cites·5 claims
- 2597US5053179AProcess for producing a multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1988·Granted Oct 1, 1991·125 cites·11 claims
- 2697US4742074APyrazolecarboxamide derivative and fungicide containing it as active ingredientSUMITOMO CHEMICAL CO·Filed 1985·Granted May 3, 1988·77 cites·15 claims
- 2797US4507303ASuccinimide derivatives, compositions and method of useSUMITOMO CHEMICAL CO·Filed 1982·Granted Mar 26, 1985·60 cites·9 claims
- 2897US4438238ALow density copolymer composition of two ethylene-α-olefin copolymersSUMITOMO CHEMICAL CO·Filed 1982·Granted Mar 20, 1984·217 cites·23 claims
- 2997US4435203AOptical isomer of triazolylpentenols, and their production and use as fungicide, herbicide and/or plant growth regulantSUMITOMO CHEMICAL CO·Filed 1981·Granted Mar 6, 1984·91 cites·10 claims
- 3097US4427438AN-(2-Fluoro-4-halo-5-substituted phenyl) hydantoinsSUMITOMO CHEMICAL CO·Filed 1982·Granted Jan 24, 1984·53 cites·12 claims
- 3197US4378313AReactive yellow dye having both monochlorotriazinyl and vinylsulfone type reactive groupsSUMITOMO CHEMICAL CO·Filed 1980·Granted Mar 29, 1983·46 cites·5 claims
- 3297US4263304A7 H-indolo[2,3-c]isoquinolinesSUMITOMO CHEMICAL CO·Filed 1979·Granted Apr 21, 1981·52 cites·5 claims
- 3397US4247642AEnzyme immobilization with pullulan gelSUMITOMO CHEMICAL CO·Filed 1978·Granted Jan 27, 1981·553 cites·25 claims
- 3497US4145764AEndosseous implantsSUMITOMO CHEMICAL CO·Filed 1976·Granted Mar 27, 1979·206 cites·4 claims
- 3597US4080213ASand mold composition for metal castingSUMITOMO CHEMICAL CO·Filed 1976·Granted Mar 21, 1978·55 cites·9 claims
- 3697US4075173AProcess for the production of aromatic polyesters from hydroxybenzoic acid and products thereofSUMITOMO CHEMICAL CO·Filed 1977·Granted Feb 21, 1978·99 cites·7 claims
- 3796US11899363B2Salt, acid generator, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2021·Granted Feb 13, 2024·3 cites·18 claims
- 3896US11773266B2Polymer, molded body, foam, resin composition, and production method for polymerSUMITOMO CHEMICAL CO·Filed 2021·Granted Oct 3, 2023·2 cites·8 claims
- 3996US11363817B1Method of protecting determinate soybean from damage by a plant pathogenSUMITOMO CHEMICAL CO·Filed 2022·Granted Jun 21, 2022·2 cites·2 claims
- 4096US10555528B1Herbicidal composition and method for controlling weedsSUMITOMO CHEMICAL CO·Filed 2019·Granted Feb 11, 2020·10 cites·4 claims
- 4196US10388932B2Laminated bodySUMITOMO CHEMICAL CO·Filed 2017·Granted Aug 20, 2019·9 cites·7 claims
- 4296US10367182B2Laminated bodySUMITOMO CHEMICAL CO·Filed 2017·Granted Jul 30, 2019·9 cites·7 claims
- 4396US10319973B2Laminated bodySUMITOMO CHEMICAL CO·Filed 2017·Granted Jun 11, 2019·9 cites·8 claims
- 4496US9876210B2Porous layerSUMITOMO CHEMICAL CO·Filed 2017·Granted Jan 23, 2018·9 cites·11 claims
- 4596US9563123B2Photoresist composition, compound and process of producing photoresist patternSUMITOMO CHEMICAL CO·Filed 2015·Granted Feb 7, 2017·15 cites·5 claims
- 4696US9448475B2Photoresist composition, compound and process of producing photoresist patternSUMITOMO CHEMICAL CO·Filed 2015·Granted Sep 20, 2016·14 cites·4 claims
- 4796US7700648B2Ester compound and its useSUMITOMO CHEMICAL CO·Filed 2005·Granted Apr 20, 2010·22 cites·8 claims
- 4896US7485777B2Method for producing transgenic plants resistant to weed control compounds which disrupt the porphyrin pathways of plantsSUMITOMO CHEMICAL CO·Filed 2005·Granted Feb 3, 2009·52 cites·11 claims
- 4996US6908945B2Ester compound and its useSUMITOMO CHEMICAL CO·Filed 2003·Granted Jun 21, 2005·46 cites·3 claims
- 5096US6548221B2Chemical amplification type positive resist compositionSUMITOMO CHEMICAL CO·Filed 2001·Granted Apr 15, 2003·81 cites·8 claims
Showing the top 50 of 7,868 patent records by PatentIndex Score.
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