Assignee
ARAKAWA CHEM IND
JP·76 granted patents·20 pending applications·1,131 citations·filing 1979–2023
Top patents by PatentIndex Score
96 records- 0194US4587308AMethod for producing improved water-absorbent resinsARAKAWA CHEM IND·Filed 1985·Granted May 6, 1986·250 cites·10 claims
- 0291US5426246ACatalyst for direct reduction of carboxylic acid, process for preparation thereof and process for preparation of alcohol compound using the catalystARAKAWA CHEM IND·Filed 1994·Granted Jun 20, 1995·122 cites·5 claims
- 0385US6441106B1Hardener for epoxy resin, epoxy resin composition, and process for producing silane-modified phenolic resinARAKAWA CHEM IND·Filed 2000·Granted Aug 27, 2002·23 cites·13 claims
- 0485US4758617AProcess for preparing water-absorbing resinARAKAWA CHEM IND·Filed 1986·Granted Jul 19, 1988·53 cites·10 claims
- 0584US6506868B1Partial condensate of glycidyl ether group-containing alkoxysilane, silane-modified resin, compositions thereof and preparation methods thereofARAKAWA CHEM IND·Filed 2000·Granted Jan 14, 2003·26 cites·18 claims
- 0683US9758703B2Tackifier, tackifier for medical or industrial use, adhesive and/or pressure-sensitive adhesive for medical or industrial use, adhesive sheet and/or pressure-sensitive adhesive sheet for medical or industrial use, and pressure-sensitive adhesive tape for medical or industrial useARAKAWA CHEM IND·Filed 2013·Granted Sep 12, 2017·3 cites·7 claims
- 0781US4847010AProcess for preparing rosin ester with esterification and hydrogenationARAKAWA CHEM IND·Filed 1988·Granted Jul 11, 1989·26 cites·9 claims
- 0880US4618640AHot-melt adhesive compositions comprising a partially (fumarized and/or maleinized) disproportionated rosin ester tackifierARAKAWA CHEM IND·Filed 1984·Granted Oct 21, 1986·30 cites·14 claims
- 0980US4302371AStabilized rosin ester and pressure-sensitive adhesive and hot-melt composition based thereonARAKAWA CHEM IND·Filed 1980·Granted Nov 24, 1981·37 cites·10 claims
- 1079US11962010B2Binder aqueous solution for lithium-ion battery electrode, slurry for lithium-ion battery electrode, lithium-ion battery electrode, and lithium-ion batteryARAKAWA CHEM IND·Filed 2020·Granted Apr 16, 2024·1 cites·6 claims
- 1179US4248770AProcess for preparing stabilized rosin ester, and pressure-sensitive adhesive composition and hot-melt compositionARAKAWA CHEM IND·Filed 1979·Granted Feb 3, 1981·32 cites·11 claims
- 1277US5880240AAlkyl-containing porous resin, process for its preparation and its useARAKAWA CHEM IND·Filed 1997·Granted Mar 9, 1999·43 cites·8 claims
- 1373US8372792B2Cleaner composition for removing lead-free soldering flux, and method for removing lead-free soldering fluxARAKAWA CHEM IND·Filed 2008·Granted Feb 12, 2013·4 cites·17 claims
- 1473US6525160B1Epoxy resin composition and process for producing silane-modified epoxy resinARAKAWA CHEM IND·Filed 2000·Granted Feb 25, 2003·25 cites·12 claims
- 1572US10253215B2Pressure-sensitive adhesive composition and acrylic pressure-sensitive adhesive compositionARAKAWA CHEM IND·Filed 2015·Granted Apr 9, 2019·1 cites·3 claims
- 1671US4622357APressure-sensitive adhesive compositionsARAKAWA CHEM IND·Filed 1984·Granted Nov 11, 1986·29 cites·10 claims
- 1770US12567587B2Binder aqueous solution for power storage device, slurry for power storage device, electrode for power storage device, separator for power storage device, separator/electrode laminate for power storage device and power storage deviceARAKAWA CHEM IND·Filed 2022·Granted Mar 3, 2026·0 cites·8 claims
- 1870US7118798B2Polyimide-metal layered products and polyamideimide-metal layered productARAKAWA CHEM IND·Filed 2002·Granted Oct 10, 2006·14 cites·21 claims
- 1969US4814249AElectrophotographic toner composition excellent in fixing property at low temperatureARAKAWA CHEM IND·Filed 1987·Granted Mar 21, 1989·16 cites·2 claims
- 2068US12504687B2Curable photosensitive resin composition, cured product, resist pattern, method of producing resist pattern, semiconductor device and electronic deviceARAKAWA CHEM IND·Filed 2022·Granted Dec 23, 2025·0 cites·9 claims
- 2168US11795620B2Powdery paper-strengthening agent, paper-strengthening agent solution, and paperARAKAWA CHEM IND·Filed 2022·Granted Oct 24, 2023·0 cites·5 claims
- 2267US9346993B2Heat dissipating coating composition and heat dissipating coating filmARAKAWA CHEM IND·Filed 2013·Granted May 24, 2016·1 cites·13 claims
- 2367US5606016AProcess for preparing colorless rosinsARAKAWA CHEM IND·Filed 1994·Granted Feb 25, 1997·18 cites·16 claims
- 2467US2025174825A1Binder aqueous solution of separator for power storage device, slurry of separator for power storage device, separator for power storage device, separator/electrode laminate for power storage device, and power storage deviceARAKAWA CHEM IND·Filed 2023·Application pending·0 cites
- 2566US11670776B2Binder aqueous solution for lithium-ion battery electrode, slurry for lithium-ion battery negative electrode, negative electrode for lithium-ion battery, and lithium-ion batteryARAKAWA CHEM IND·Filed 2021·Granted Jun 6, 2023·0 cites·17 claims
- 2666US11658302B2Conductive carbon material dispersing agent for lithium ion battery, slurry for lithium ion battery electrode, electrode for lithium ion battery, and lithium ion batteryARAKAWA CHEM IND·Filed 2020·Granted May 23, 2023·0 cites·6 claims
- 2766US2022396712A1Water-based oil resistant agent and oil resistant paperARAKAWA CHEM IND·Filed 2022·Application pending·0 cites
- 2865US12107271B2Binder aqueous solution for lithium ion battery, slurry for negative electrode of lithium ion battery, negative electrode for lithium ion battery, and lithium ion batteryARAKAWA CHEM IND·Filed 2021·Granted Oct 1, 2024·0 cites·6 claims
- 2965US4842691ASizing agents in neutral range and sizing methods using the sameARAKAWA CHEM IND·Filed 1987·Granted Jun 27, 1989·20 cites·16 claims
- 3065US4822526AProcess for preparing liquid rosin ester with anthraquinone and alkali metal iodideARAKAWA CHEM IND·Filed 1986·Granted Apr 18, 1989·16 cites·2 claims
- 3164US11769866B2Binder aqueous solution including copolymer of (meth)acrylamide and alkoxyalkyl (meth)acrylate, slurry including the same, negative electrode, and lithium-ion batteryARAKAWA CHEM IND·Filed 2020·Granted Sep 26, 2023·0 cites·4 claims
- 3263US5387669AProcess for preparing rosin ester and colorless rosinARAKAWA CHEM IND·Filed 1992·Granted Feb 7, 1995·13 cites·8 claims
- 3363US4906733AProcess for preparing colorless rosinARAKAWA CHEM IND·Filed 1988·Granted Mar 6, 1990·12 cites·3 claims
- 3463US4507376AElectrophotographic toner compositionARAKAWA CHEM IND·Filed 1983·Granted Mar 26, 1985·24 cites·6 claims
- 3562US11637288B2Thermally crosslinkable binder aqueous solution for lithium-ion battery, thermally crosslinkable slurry for lithium-ion battery negative electrode, negative electrode for lithium-ion battery, lithium-ion battery negative electrode material, and lithium-ion battery and method for producing the sameARAKAWA CHEM IND·Filed 2020·Granted Apr 25, 2023·0 cites·10 claims
- 3662US5354784ACyclopentadienyliron complex salt, process for preparing the same and photopolymerizable composition containing the sameARAKAWA CHEM IND·Filed 1992·Granted Oct 11, 1994·14 cites·6 claims
- 3762US4647636AProcess for preparing highly water-absorbent resinARAKAWA CHEM IND·Filed 1985·Granted Mar 3, 1987·16 cites·15 claims
- 3862US4271066AProcess for disproportionating rosin, poly-unsaturated fatty acids and mixtures thereofARAKAWA CHEM IND·Filed 1979·Granted Jun 2, 1981·11 cites·5 claims
- 3962US2022056306A1Surface protection coating agent, cured product, and laminate, and method of producing the sameARAKAWA CHEM IND·Filed 2021·Application pending·0 cites
- 4062US2024291102A1Power storage device separator binder aqueous solution, power storage device separator slurry, power storage device separator, power storage device separator/electrode laminate, and power storage deviceARAKAWA CHEM IND·Filed 2022·Application pending·0 cites
- 4161US12077694B2Pressure-sensitive adhesive sheet for surface protectionARAKAWA CHEM IND·Filed 2019·Granted Sep 3, 2024·0 cites·4 claims
- 4261US2023077630A1Water-based composition for barrier and laminated materialARAKAWA CHEM IND·Filed 2022·Application pending·0 cites
- 4361US2024101818A1Aqueous heat-sealable resin composition and laminateARAKAWA CHEM IND·Filed 2023·Application pending·0 cites
- 4460US4296012ASizing compositions incorporating ketene dimerARAKAWA CHEM IND·Filed 1979·Granted Oct 20, 1981·17 cites·7 claims
- 4560US2022411597A1Composition for fiber-reinforced resin, fiber-reinforced resin, molded article, method for using composition for fiber-reinforced resin, method for reinforcing fiber-reinforced resin, and method for producing fiber-reinforced resinARAKAWA CHEM IND·Filed 2020·Application pending·0 cites
- 4659US4508806AElectrophotographic toner compositionARAKAWA CHEM IND·Filed 1983·Granted Apr 2, 1985·20 cites·9 claims
- 4758US6458902B1Process for producing hydrogenated C9 petroleum resin and hydrogenated C9 petroleum resin obtained by the processARAKAWA CHEM IND·Filed 1999·Granted Oct 1, 2002·18 cites·7 claims
- 4858US4933259AAlkaline developable liquid photoimageable solder resist ink compositionARAKAWA CHEM IND·Filed 1988·Granted Jun 12, 1990·23 cites·13 claims
- 4956US12018437B2Papermaking agent, manufacturing method for papermaking agent and paperARAKAWA CHEM IND·Filed 2022·Granted Jun 25, 2024·0 cites·10 claims
- 5056US11646421B2Thermally crosslinkable binder aqueous solution for lithium-ion battery, thermally crosslinkable slurry for lithium-ion battery negative electrode, negative electrode for lithium-ion batteryARAKAWA CHEM IND·Filed 2020·Granted May 9, 2023·0 cites·9 claims
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