Patents by Inventor Hideo Matsuzaki

Hideo Matsuzaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11870076
    Abstract: A water-based binder for a non-aqueous electrolyte secondary battery. A binder for a non-aqueous electrolyte secondary battery electrode, includes a crosslinked polymer having a carboxyl group or a salt thereof, and the crosslinked polymer includes a structural unit derived from an ethylenically unsaturated carboxylic acid monomer; and a structural unit derived from a macromonomer including at least one compositional monomer selected from compounds represented by following formula (1): [C1] H2C?CR1—X??formula (1) wherein in formula (1), R1 represents a hydrogen or a methyl group; X represents C(?O)OR2 or CN; and R2 represents a straight chain or branched C1-C8 alkyl group or a C3-C8 alkyl group having an alicyclic structure.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: January 9, 2024
    Assignees: TOAGOSEI CO., LTD., PANASONIC ENERGY CO., LTD.
    Inventors: Naohiko Saito, Takashi Hasegawa, Atsushi Nishiwaki, Hideo Matsuzaki, Nobuhiro Sakitani, Sho Urata, Takaharu Morikawa
  • Patent number: 11773246
    Abstract: A binder for a non-aqueous electrolyte secondary battery electrode that includes a crosslinked polymer having a carboxyl group or a salt thereof, wherein the crosslinked polymer includes 50% by mass or more and 100% by mass or less structural unit derived from an ethylenically unsaturated carboxylic acid monomer relative to all structural units, wherein a total amount of the ethylenically unsaturated carboxylic acid monomer and a salt thereof in terms of a non-neutralized form which is converted from the ethylenically unsaturated carboxylic acid monomer and a salt thereof relative to a total amount of the crosslinked polymer and a salt thereof is 5.0% by mass or less.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: October 3, 2023
    Assignees: TOAGOSEI CO. LTD., PANASONIC ENERGY CO., LTD.
    Inventors: Takashi Hasegawa, Naohiko Saito, Atsushi Nishiwaki, Hideo Matsuzaki, Sho Urata, Nobuhiro Sakitani, Takaharu Morikawa
  • Publication number: 20230146623
    Abstract: A precast concrete molded body is provided, which is a cured product of a concrete composition. The concrete composition comprises: a microcapsule; cement; and at least one type of aggregate. The microcapsule is provided with a core-shell structure having i) a core made of a water repellent organosilicon material selected from the group consisting of organosilanes, organosilane partial condensation products, and branched siloxane resins, and ii) a shell made of a silicon-based network polymer containing silica units. The concrete composition contains 0.01 to less than 0.5 parts by weight of microcapsules per 100 parts by weight of cement. Thereby, a precast concrete molded body can be provided, having high strength, as well as at least one of the following properties: air content stability, substance penetration prevention, and freeze-thaw resistance.
    Type: Application
    Filed: March 17, 2021
    Publication date: May 11, 2023
    Inventors: Taro MINATO, Katsuhiko TANIGUCHI, Sakae USHIJIMA, Hideo MATSUZAKI, Masatomo MAKIGUCHI, Motoaki IMURA, Hideyuki MORI
  • Patent number: 11208508
    Abstract: A method for manufacturing polymer fine particles having a narrow particle diameter distribution without any particular limitations on the raw materials and the like. To achieve this purpose, this method for manufacturing polymer fine particles includes polymerizing a vinyl monomer using a dispersion polymerization method, wherein the amount of water in the reaction liquid in the polymerizing is no more than 30,000 ppm, the reactor for carrying out the polymerizing is a stirring tank reactor, the stirring blade attached to the stirring rotation shaft of the stirring tank reactor is one type selected from a large wide blade and a large lattice blade, and the tip speed of the stirring blade is no more than 1.0 m/sec.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 28, 2021
    Assignee: TOAGOSEI CO. LTD.
    Inventors: Takashi Hasegawa, Naohiko Saito, Atsushi Nishiwaki, Hideo Matsuzaki
  • Patent number: 11177478
    Abstract: A binder for a nonaqueous electrolyte secondary battery electrode and use thereof are described. The binder contains a crosslinked polymer or salt thereof, the crosslinked polymer having an ethylenically unsaturated carboxylic acid and a crosslinkable monomer in constituent monomers thereof, or salt thereof, wherein the crosslinked polymer includes the ethylenically unsaturated carboxylic acid in an amount of 20 to 99.95 mass % of the total constituent monomers, and the crosslinked polymer includes at least one compound selected from the group made of trimethylolpropane diallyl ether and trimethylolpropane triallyl ether as the crosslinkable monomer.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: November 16, 2021
    Assignee: TOAGOSEI CO. LTD.
    Inventors: Hideo Matsuzaki, Tomoko Nakano
  • Patent number: 10847837
    Abstract: A binder for a nonaqueous electrolyte secondary battery electrode, containing a crosslinked polymer or salt thereof having a carboxyl group and a use thereof, and a method of manufacturing the polymer or salt. The polymer has a structural unit derived from an ethylenically unsaturated carboxylic acid monomer in an amount of 50 to 99 mass % of total structural units and a structural unit derived from a nonionic ethylenically unsaturated monomer in an amount of 1 to 50 mass % of the total structural units, the monomer is a compound having a substituent with a carbon atom number of 6 or more, and a particle diameter of the crosslinked polymer is 0.1 to 7.0 ?m in a volume-based median diameter when the crosslinked polymer is neutralized to a neutralization degree of 80 to 100 mol %, subjected to water swelling in water, and then dispersed in a 1 mass % NaCl aqueous solution.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: November 24, 2020
    Assignee: TOAGOSEI CO. LTD.
    Inventors: Hideo Matsuzaki, Naohiko Saito, Kinuko Fujikura, Atsushi Nishiwaki, Akitsugu Shibata
  • Publication number: 20200335791
    Abstract: An aqueous binder for secondary batteries, which has a binding capacity superior than conventional binders while having fine coating property; a secondary battery electrode mixture layer composition and a secondary battery electrode which are acquired by using the binder. This binder for secondary battery electrodes contains: a crosslinked polymer or a salt thereof having a water-swelling degree of 5.0-100 at pH8.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 22, 2020
    Applicant: TOAGOSEI CO. LTD.
    Inventors: Naohiko SAITO, Tomoko NAKANO, Atsushi NISHIWAKI, Takashi HASEGAWA, Hideo MATSUZAKI
  • Patent number: 10790542
    Abstract: A binder for a nonaqueous electrolyte secondary battery electrode, containing a crosslinked polymer or salt thereof having a carboxyl group and a use thereof, and a method of manufacturing the polymer or salt. The polymer has a structural unit derived from an ethylenically unsaturated carboxylic acid monomer in an amount of 50 to 99 mass % of total structural units and a structural unit derived from a nonionic ethylenically unsaturated monomer in an amount of 1 to 50 mass % of the total structural units, the monomer is a compound having a substituent with a carbon atom number of 6 or more, and a particle diameter of the crosslinked polymer is 0.1 to 7.0 ?m in a volume-based median diameter when the crosslinked polymer is neutralized to a neutralization degree of 80 to 100 mol %, subjected to water swelling in water, and then dispersed in a 1 mass % NaCl aqueous solution.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: September 29, 2020
    Assignee: TOAGOSEI CO. LTD.
    Inventors: Hideo Matsuzaki, Naohiko Saito, Kinuko Fujikura, Atsushi Nishiwaki, Akitsugu Shibata
  • Publication number: 20200263019
    Abstract: A binder for a non-aqueous electrolyte secondary battery electrode that includes a crosslinked polymer having a carboxyl group or a salt thereof, wherein the crosslinked polymer includes 50% by mass or more and 100% by mass or less structural unit derived from an ethylenically unsaturated carboxylic acid monomer relative to all structural units, wherein a total amount of the ethylenically unsaturated carboxylic acid monomer and a salt thereof in terms of a non-neutralized form which is converted from the ethylenically unsaturated carboxylic acid monomer and a salt thereof relative to a total amount of the crosslinked polymer and a salt thereof is 5.0% by mass or less.
    Type: Application
    Filed: March 5, 2018
    Publication date: August 20, 2020
    Applicants: TOAGOSEI CO. LTD., SANYO ELECTRIC CO., LTD.
    Inventors: Takashi HASEGAWA, Naohiko SAITO, Atsushi NISHIWAKI, Hideo MATSUZAKI, Sho URATA, Nobuhiro SAKITANI, Takaharu MORIKAWA
  • Patent number: 10680246
    Abstract: Provided is a binder for a nonaqueous electrolyte secondary battery electrode. The binder contains a crosslinked polymer having a carboxyl group, or salt thereof, a use therefor, and a method for manufacturing a carboxyl group-containing crosslinked polymer or salt thereof for use in the binder. The crosslinked polymer contains a structural unit derived from an ethylenically unsaturated carboxylic acid monomer in the amount of 50 to 100 mass % of total structural units, and after the crosslinked polymer neutralized to a degree of a neutralization of 80 to 100 mol % has been subjected to water swelling in water and then dispersed in a 1 mass % NaCl aqueous solution, the particle diameter thereof is 0.1 to 7.0 ?m in a volume-based median diameter.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: June 9, 2020
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Hideo Matsuzaki, Naohiko Saito, Kinuko Ogura, Atsushi Nishiwaki, Akitsugu Shibata
  • Publication number: 20200044254
    Abstract: A water-based binder for a non-aqueous electrolyte secondary battery. A binder for a non-aqueous electrolyte secondary battery electrode, includes a crosslinked polymer having a carboxyl group or a salt thereof, and the crosslinked polymer includes a structural unit derived from an ethylenically unsaturated carboxylic acid monomer; and a structural unit derived from a macromonomer including at least one compositional monomer selected from compounds represented by following formula (1): [C1] H2C?CR1—X??formula (1) wherein in formula (1), R1 represents a hydrogen or a methyl group; X represents C(?O)OR2 or CN; and R2 represents a straight chain or branched C1-C8 alkyl group or a C3-C8 alkyl group having an alicyclic structure.
    Type: Application
    Filed: March 5, 2018
    Publication date: February 6, 2020
    Applicants: TOAGOSEI CO., LTD., SANYO ELECTRIC CO., LTD.
    Inventors: Naohiko SAITO, Takashi HASEGAWA, Atsushi NISHIWAKI, Hideo MATSUZAKI, Nobuhiro SAKITANI, Sho URATA, Takaharu MORIKAWA
  • Patent number: 10541423
    Abstract: An electrode mixture layer composition for a nonaqueous electrolyte secondary battery contains an active material, water and a binder. The binder contains a crosslinked polymer of a monomer component including an ethylenically unsaturated carboxylic acid monomer, and a salt thereof. The crosslinked polymer is a polymer that is crosslinked with allyl methacrylate, and an amount of the allyl methacrylate used is 0.1 to 2.0 parts by weight relative to total 100 parts by weight of non-crosslinking monomers, and a content of the crosslinked polymer and salt thereof is 0.5% to 5.0% by weight of the active material.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: January 21, 2020
    Assignee: TOAGOSEI CO. LTD.
    Inventors: Hideo Matsuzaki, Naohiko Saito, Morikatsu Matsunaga, Shinya Kumagai
  • Publication number: 20190338057
    Abstract: A method for manufacturing polymer fine particles having a narrow particle diameter distribution without any particular limitations on the raw materials and the like. To achieve this purpose, this method for manufacturing polymer fine particles includes polymerizing a vinyl monomer using a dispersion polymerization method, wherein the amount of water in the reaction liquid in the polymerizing is no more than 30,000 ppm, the reactor for carrying out the polymerizing is a stirring tank reactor, the stirring blade attached to the stirring rotation shaft of the stirring tank reactor is one type selected from a large wide blade and a large lattice blade, and the tip speed of the stirring blade is no more than 1.0 m/sec.
    Type: Application
    Filed: December 22, 2017
    Publication date: November 7, 2019
    Applicant: TOAGOSEI CO., LTD.
    Inventors: Takashi HASEGAWA, Naohiko SAITO, Atsushi NISHIWAKI, Hideo MATSUZAKI
  • Patent number: 10454111
    Abstract: A nonaqueous electrolyte secondary battery electrode is obtained by coating and drying a slurry including an active material, a crosslinking water-absorbing resin particle, a binder, and water, on a current collector surface to form a mixture layer and then compressing the mixture layer, and a nonaqueous electrolyte secondary battery includes the electrode, a separator, and a nonaqueous electrolytic solution.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: October 22, 2019
    Assignee: TOAGOSEI CO., LTD.
    Inventor: Hideo Matsuzaki
  • Publication number: 20190148731
    Abstract: A binder for a nonaqueous electrolyte secondary battery electrode and use thereof are described. The binder contains a crosslinked polymer or salt thereof, the crosslinked polymer having an ethylenically unsaturated carboxylic acid and a crosslinkable monomer in constituent monomers thereof, or salt thereof, wherein the crosslinked polymer includes the ethylenically unsaturated carboxylic acid in an amount of 20 to 99.95 mass % of the total constituent monomers, and the crosslinked polymer includes at least one compound selected from the group made of trimethylolpropane diallyl ether and trimethylolpropane triallyl ether as the crosslinkable monomer.
    Type: Application
    Filed: August 29, 2017
    Publication date: May 16, 2019
    Applicant: TOAGOSEI CO., LTD.
    Inventors: Hideo MATSUZAKI, Tomoko NAKANO
  • Publication number: 20190036164
    Abstract: A binder for a nonaqueous electrolyte secondary battery electrode, containing a crosslinked polymer or salt thereof having a carboxyl group and a use thereof, and a method of manufacturing the polymer or salt. The polymer has a structural unit derived from an ethylenically unsaturated carboxylic acid monomer in an amount of 50 to 99 mass % of total structural units and a structural unit derived from a nonionic ethylenically unsaturated monomer in an amount of 1 to 50 mass % of the total structural units, the monomer is a compound having a substituent with a carbon atom number of 6 or more, and a particle diameter of the crosslinked polymer is 0.1 to 7.0 ?m in a volume-based median diameter when the crosslinked polymer is neutralized to a neutralization degree of 80 to 100 mol %, subjected to water swelling in water, and then dispersed in a 1 mass % NaCl aqueous solution.
    Type: Application
    Filed: January 24, 2017
    Publication date: January 31, 2019
    Applicant: Toagosei Co., Ltd.
    Inventors: Hideo MATSUZAKI, Naohiko SAITO, Kinuko FUJIKURA, Atsushi NISHIWAKI, Akitsugu SHIBATA
  • Publication number: 20180108917
    Abstract: An electrode mixture layer composition for a nonaqueous electrolyte secondary battery contains an active material, water and a binder. The binder contains a crosslinked polymer of a monomer component including an ethylenically unsaturated carboxylic acid monomer, and a salt thereof. The crosslinked polymer is a polymer that is crosslinked with allyl methacrylate, and an amount of the allyl methacrylate used is 0.1 to 2.0 parts by weight relative to total 100 parts by weight of non-crosslinking monomers, and a content of the crosslinked polymer and salt thereof is 0.5% to 5.0% by weight of the active material.
    Type: Application
    Filed: March 29, 2016
    Publication date: April 19, 2018
    Applicant: TOAGOSEI CO., LTD.
    Inventors: Hideo MATSUZAKI, Naohiko SAITO, Morikatsu MATSUNAGA, Shinya KUMAGAI
  • Publication number: 20180102542
    Abstract: A binder for nonaqueous electrolyte secondary battery electrodes, which contains an acrylic crosslinked polymer or salt thereof, and which is characterized in that: the acrylic crosslinked polymer contains, in all the constituent monomers thereof, 30-90% by weight of an ethylenically unsaturated carboxylic acid monomer (component (a)) and 10-70% by weight of an ethylenically unsaturated monomer containing no carboxyl group and having an SP value of a homopolymer of 9.0-12.5 (cal/cm3)1/2 (component (b)); and the ratio of monomers having a ratio of an acryloyl group of the total constituent monomers is 70% by weight or more.
    Type: Application
    Filed: April 11, 2016
    Publication date: April 12, 2018
    Applicant: TOAGOSEI CO., LTD.
    Inventors: Hideo MATSUZAKI, Naohiko SAITO, Morikatsu MATSUNAGA, Shinya KUMAGAI
  • Publication number: 20170352886
    Abstract: Provided is a binder for a nonaqueous electrolyte secondary battery electrode. The binder contains a crosslinked polymer having a carboxyl group, or salt thereof, a use therefor, and a method for manufacturing a carboxyl group-containing crosslinked polymer or salt thereof for use in the binder. The crosslinked polymer contains a structural unit derived from an ethylenically unsaturated carboxylic acid monomer in the amount of 50 to 100 mass % of total structural units, and after the crosslinked polymer neutralized to a degree of a neutralization of 80 to 100 mol % has been subjected to water swelling in water and then dispersed in a 1 mass % NaCl aqueous solution, the particle diameter thereof is 0.1 to 7.0 ?m in a volume-based median diameter.
    Type: Application
    Filed: October 26, 2016
    Publication date: December 7, 2017
    Applicant: TOAGOSEI CO. LTD.
    Inventors: Hideo MATSUZAKI, Naohiko SAITO, Kinuko OGURA, Atsushi NISHIWAKI, Akitsugu SHIBATA
  • Publication number: 20170298205
    Abstract: The present disclosure relates to a method for producing polymer microparticles, this method including a step for polymerizing vinyl monomers in a hydrophilic solvent, which dissolves the vinyl monomers and a dispersion stabilizer but does not dissolve a polymer formed, in the presence of the dispersion stabilizer. The present disclosure is a method for producing these polymer microparticles, wherein the dispersion stabilizer contains a macromonomer having carboxyl groups and ethylenically unsaturated groups at an intermediate location in a molecular chain thereof, the macromonomer has, on average, 1.4 to 2.5 ethylenically unsaturated groups per molecule, and an average value of a carboxyl group content in the macromonomer is 0.5 meq/g to 2.5 meq/g.
    Type: Application
    Filed: September 16, 2015
    Publication date: October 19, 2017
    Applicant: TOAGOSEI CO. LTD.
    Inventors: Naohiko SAITO, Norihiro HIRANO, Hideo MATSUZAKI