Patents Assigned to TOYOCOLOR CO., LTD.
  • Publication number: 20220173401
    Abstract: A conductive material dispersion containing a conductive material containing carbon fibers, a dispersant, and an amide-based organic solvent, in which the dispersant contains a copolymer A containing a nitrile group-containing structural unit and satisfies following conditions. (I) A pH of the conductive material dispersion is 9.0 or greater. (II) A phase angle of the conductive material dispersion at a frequency of 1 Hz obtained by dynamic viscoelasticity measurement is 19° or greater, and a complex elastic modulus of the conductive material dispersion obtained by dynamic viscoelasticity measurement is less than 20 Pa.
    Type: Application
    Filed: February 21, 2022
    Publication date: June 2, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventor: Honami HIRABAYASHI
  • Patent number: 11292928
    Abstract: An active energy ray-curable inkjet ink containing polymerizable compounds and a polymerization initiator, wherein the polymerizable compounds include at least 5 types of polyfunctional polymerizable compounds having molecular weights within a range from 150 to 500, and include substantially no monofunctional polymerizable compounds.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: April 5, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD
    Inventors: Yohei Konda, Hiroyuki Yoshida
  • Publication number: 20220098415
    Abstract: A purpose of the present disclosure is to provide a coated colorant and a coloring composition that have superior dispersion stability, high compatibility with binder resins, low viscosity after being made into an ink, good preservation stability, and a good film gloss value. Provided is a coated colorant in which a surface of a colorant is coated with a resin (P), the resin (P) contains a colorant adsorption group-containing monomer unit, a maleic acid (anhydride) unit, and a (meth)aryl monomer unit, and the colorant adsorption group-containing monomer unit contains at least one of an ?-olefin unit and a ring-containing monomer unit.
    Type: Application
    Filed: December 9, 2021
    Publication date: March 31, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Tomoyuki AOTANI, Tomohiko SUZUKI
  • Patent number: 11286164
    Abstract: An electrode membrane having high adhesiveness and electrical conductivity can be produced using carbon nanotubes each of which meets the following requirements (1) and (2). (1) A peak appears at a diffraction angle 2?=25°±2° in powder X-ray diffraction analysis, and the half value width of the peak is 2° or more and less than 3°. (2) The G/D ratio is 1.5 to 5.0, wherein G represents the maximum peak intensity in the range from 1560 to 1600 cm?1 and D represents the maximum peak intensity in the range from 1310 to 1350 cm?1 in Raman spectra.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: March 29, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yu Morita, Tomoaki Masuoka
  • Publication number: 20220073772
    Abstract: One embodiment relates to a water-based inkjet yellow ink containing a yellow pigment (A) having a specific partial structure, an organic solvent, a basic organic compound, and water, wherein an amount of the yellow pigment (A) is 1 to 10% by mass of a total mass of the water-based inkjet yellow ink, the basic organic compound contains 0.1 to 1.25% by mass of a basic organic compound (B) having a pKa value of 9.5 or less at 25° C. of the total mass of the water-based inkjet yellow ink, and an amount of an organic solvent having a boiling point of 240° C. or higher under 1 atmosphere is 5% by mass or less of the total mass of the water-based inkjet yellow ink.
    Type: Application
    Filed: December 16, 2019
    Publication date: March 10, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Atsushi YODA, Kazuhiro JONAI, Norio SUZUKI
  • Publication number: 20210380743
    Abstract: An ultraviolet-ray absorbing polymer containing a monomer unit represented by general formula (12) below and a monomer unit derived from a monomer represented by general formula (1) below. In general formula (12), R6 represents any one selected from a group consisting of a hydrogen atom and a methyl group, U represents a hydrocarbon group, and the hydrocarbon group includes a skeleton absorbing ultraviolet rays and optionally contains a heteroatom. In general formula (1), R16 represents any one selected from a group consisting of a hydrogen atom and a methyl group, and Z represents any one selected from a group consisting of a chain hydrocarbon group having 10 or more carbon atoms and a polycyclic hydrocarbon group having 10 or more carbon atoms.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 9, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Akio HIMIZU, Keisuke MASUKO, Joji MIKAMI, Takeshi NISHINAKA, Tomoyuki AOTANI, Kazunori SHIGEMORI, Motoki TANAKA, Hiroyuki HAYASHI
  • Publication number: 20210238431
    Abstract: An embodiment of relates to a magenta ink for an inkjet containing two or more pigments, a water-soluble organic solvent (A), a surfactant and water, wherein the two or more pigments contain an azo pigment, an amount of the azo pigment is from 0.5 to 8% by mass of a total mass of the magenta ink and from 35 to 100% by mass of a total mass of the pigments, the solvent (A) contains a specific diol-based solvent (A-1) in a molar amount of from 5 to 250 times a molar amount of the azo pigment, a molar amount of a specific diol-based solvent (A-2) in the solvent (A) is 0.1 times or less the molar amount of the solvent (A-1), and an amount of a cyclic amide-based solvent in the solvent (A) is not more than 4.5% by mass of the total mass of the magenta ink.
    Type: Application
    Filed: June 7, 2019
    Publication date: August 5, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Atsushi YODA, Norio SUZUKI, Kazuhiro JONAI
  • Publication number: 20210226222
    Abstract: A carbon nanotube dispersion including a carbon nanotube, a solvent, and a dispersant. A highly conductive electrode membrane can be produced as a result of the carbon nanotube using a carbon nanotube dispersion satisfying (1), (2), and (3). (1) An average outer diameter is more than 3 nm and less than 10 nm. (2) A peak is present in a powder X-ray diffraction analysis at a diffraction angle of 2?=25°±2°, and a half value width of the peak is 3° to 6°. (3) When a maximum peak intensity within the range of 1,560 to 1,600 cm?1 in a Raman spectrum is G and a maximum peak intensity within the range of 1,310 to 1,350 cm?1 is D, a G/D ratio is 0.5 to 4.5.
    Type: Application
    Filed: June 17, 2019
    Publication date: July 22, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yu MORITA, Tomoaki MASUOKA
  • Publication number: 20210214569
    Abstract: One embodiment relates to a water-based inkjet ink containing at least water, a pigment, a water-soluble organic solvent and a binder resin, wherein the water-soluble organic solvent contains at least a water-soluble organic solvent having a surface tension of 30 to 50 mN/m and a boiling point at 1 atmosphere of 180 to 230° C., in an amount of 15 to 50% by weight relative to the total weight of the water-based inkjet ink, and the acid value of the binder resin is at least 5 mgKOH/g but less than 60 mgKOH/g.
    Type: Application
    Filed: April 17, 2018
    Publication date: July 15, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO, LTD.
    Inventors: Atsushi YODA, Yoshihito SUZUKI, Mayuko OKAMOTO, Kazuhiro JONAI, Norio SUZUKI
  • Publication number: 20210214568
    Abstract: An active energy ray-curable inkjet ink containing polymerizable compounds and a polymerization initiator, wherein the polymerizable compounds include at least 5 types of polyfunctional polymerizable compounds having molecular weights within a range from 150 to 500, and include substantially no monofunctional polymerizable compounds.
    Type: Application
    Filed: November 21, 2019
    Publication date: July 15, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD, TOYOCOLOR CO. LTD.
    Inventors: Yohei KONDA, Hiroyuki YOSHIDA
  • Publication number: 20210214229
    Abstract: An electrode membrane having high adhesiveness and electrical conductivity can be produced using carbon nanotubes each of which meets the following requirements (1) and (2). (1) A peak appears at a diffraction angle 2?=25°±2° in powder X-ray diffraction analysis, and the half value width of the peak is 2° or more and less than 3°. (2) The G/D ratio is 1.5 to 5.0, wherein G represents the maximum peak intensity in the range from 1560 to 1600 cm?1 and D represents the maximum peak intensity in the range from 1310 to 1350 cm?1 in Raman spectra.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 15, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yu MORITA, Tomoaki MASUOKA
  • Publication number: 20210198492
    Abstract: A color composition including: an organic pigment (A); a dispersant (B); an epoxy compound (C); a solvent (D); and a coloring matter derivative (E), in which a content of the organic pigment (A) is at least 50 mass % with respect to a non-volatile content in the coloring composition, the dispersant (B) contains a dispersant (b1) having an acidic functional group and/or a dispersant (b2) having a basic functional group, and the epoxy compound (C) is at least one compound selected from the group consisting of glycerol polyglycidyl ether, bisphenol-type polyglycidyl ether, and hydrogenated bisphenol-type polyglycidyl ether.
    Type: Application
    Filed: May 22, 2019
    Publication date: July 1, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYO VISUAL SOLUTIONS CO., LTD., TOYOCOLOR CO., LTD., TOPPAN PRINTING CO., LTD.
    Inventors: Kenji HIKI, Hiroyuki YAMAKAWA, Tetsuya HIROTA, Kazushige KITAZAWA
  • Publication number: 20210130629
    Abstract: One embodiment relates to an aqueous inkjet ink containing a pigment (A), a polymer compound (B), a water-soluble organic solvent (C) and a surfactant (D), wherein the water-soluble organic solvent (C) includes ethylene glycol and/or 1,3-propanediol (c1), and a water-soluble organic solvent (c2) having a specific static surface tension, the acid value of the polymer compound (B), the amount of water-soluble organic solvent having a boiling point at 1 atmosphere of 240° C. or higher, and the weight average boiling point at 1 atmosphere for the water-soluble organic solvent (C) are all prescribed values, and the blend amounts of the various components satisfy specific relationships.
    Type: Application
    Filed: April 17, 2018
    Publication date: May 6, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yoshihito SUZUKI, Atsushi YODA, Masahiro SUGIHARA, Kazuhiro JONAI
  • Publication number: 20210130639
    Abstract: A pretreatment liquid that is used together with an aqueous inkjet ink containing a pigment and water, wherein the pretreatment liquid contains resin microparticles (A), a surfactant (B), a coagulant (C) and water, the surfactant (B) contains a polyoxyalkylene alkyl ether (b-1), and the coagulant (C) contains a polyvalent metal salt and/or a cationic polymer compound and has a water absorptivity at a temperature of 40° C. and a relative humidity of 80% of 75% by mass or less.
    Type: Application
    Filed: September 28, 2018
    Publication date: May 6, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Masahiro SUGIHARA, Yuki SASAKI, Toshihiro TETSUKA, Takaaki KOIKE, Akiko IMAZATO, Naoya KIKUTA, Tomoe TANABE
  • Patent number: 10995227
    Abstract: A water-based ink-jet which at least contains a pigment, a water-soluble organic solvent, and a surfactant (A), wherein the water-soluble organic solvent is a water-soluble organic solvent having an HLB value determined by Griffin's method of 8 or less, the water-soluble organic solvent being contained in an amount of 10-50 wt % with respect to the total weight of the water based ink-jet ink, and the surfactant (A) comprises an acetylenediol-based surfactant (a1) having an HLD value determined by Griffin's method of 3 or less.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: May 4, 2021
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yoshihito Suzuki, Masahiro Sugihara, Masayoshi Utsugi, Kazuhiro Jonai
  • Patent number: 10915028
    Abstract: A thermosetting coloring composition for manufacturing a color filter for a solid-state imaging element provided with a colored pattern formed by patterning a colored layer by dry etching is provided. The composition contains a pigment (A), a dispersant (B), a thermosetting compound (C), and a solvent (D). A ratio of the pigment (A) to a total solid content of the thermosetting coloring composition is 50 mass percent or more. The dispersant (B) contains a dispersant (b1) having an acidic functional group and/or a dispersant (b2) having a basic functional group. The thermosetting compound (C) contains a glycidyl therified epoxy compound of sorbitol.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: February 9, 2021
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD., TOPPAN PRINTING CO., LTD.
    Inventors: Kenji Hiki, Tomohiro Imoto, Satoshi Takahashi
  • Patent number: 10858519
    Abstract: A near-infrared absorbing composition including a near-infrared absorbing dye [A], a resin-based dispersant [B1] having an amine value in the range from 20 to 200 (mg KOH/g), and a binder resin [C] having a weight average molecular weight in the range from 5,000 to 40,000 and an acid value of 130 mg KOH/g or less.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: December 8, 2020
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD., TOPPAN PRINTING CO., LTD
    Inventors: Kazumichi Haraguchi, Kazunori Yamada, Masahiro Kubo, Koichi Minato
  • Publication number: 20200316916
    Abstract: The present invention is a laminate where a carbon nanotube-containing layer composed at least of carbon nanotube and resin is laminated above a substrate. The laminate is a laminate where a clear layer is further laminated above a laminated surface of the carbon nanotube-containing layer. The laminate has L* being equal to or less than 2.5, a* being in a range of ?2 to 2, and b* being in a range of ?2 to 0.3, each measured from the laminated surface. The carbon nanotube-containing layer above the substrate is formed by coating. The clear layer is transparent resin or glass. Note that L*, a* and b* indicate values in L*a*b* color system specified in JIS Z8729.
    Type: Application
    Filed: June 4, 2020
    Publication date: October 8, 2020
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yu MORITA, Katsumi WATANABE, Nobuyuki NAHATA, Motoki MASUDA, Toshiaki HIRAYAMA
  • Publication number: 20200131379
    Abstract: Provided are: a dispersant which has good dispersibility and reduces electronic resistance; and a battery having excellent characteristics, which uses this dispersant and is decreased in the ionic resistance and the reaction resistance. A dispersant contains a triazine derivative represented by general formula (1), and an amine or an inorganic base (in general formula (1), R1 is as defined in the description).
    Type: Application
    Filed: May 11, 2018
    Publication date: April 30, 2020
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Akio HIMIZU, Yu AOTANI, Atsushi KOSEKI, Naoki DEGUCHI, Tomoaki MASUOKA, Tomohiko HOSHINO
  • Patent number: 10633510
    Abstract: A colorant for plastic containing a halogenated phthalocyanine pigment (A) that satisfies conditions (1) to (4) below: (1) the average number of halogen substitutions is at least 2.0 but not more than 7.0, (2) the halogen distribution width is at least 5, (3) the amount of aluminum phthalocyanine and halogenated aluminum phthalocyanine is not more than 1.0% by mass, and (4) the central element is at least one element selected from the group consisting of hydrogen, manganese, iron, cobalt, zinc, nickel and copper. As a result, a colorant for plastic can be shown that can color a resin without changing the mechanical or chemical properties of the resin, and in particular can produce a plastic molded article having essentially no migration, extremely low discoloration due to heat, and no deformation such as warping and distortion.
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: April 28, 2020
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Noriyoshi Takahata, Akimitsu Mochizuki, Naoki Hamada, Takashi Kasuya