Patents Assigned to Toyo Ink Mfg. Co., Ltd.
  • Patent number: 9187233
    Abstract: There is provided a brightening ink composition for printing intended for realizing a heat insulating foamed paper container produced by foaming a low-melting point film by a heat treatment, such as a heat insulating foamed paper cup, the brightening ink composition conforming to the foaming without the occurrence of ink splits (cracks) upon foaming, having very small differences in level between the brightening printed areas and other printed areas at the container surface after foaming, making the container surface almost smooth, and having excellent design applicability and aesthetic properties as well as excellent heat resistance and print quality. A brightening ink composition containing a brightening material that imparts a sense of brightness, silicon dioxide, a binder resin and a solvent is prepared, and the brightening ink composition is used to form a printed layer of a paper container material for producing a heat insulating foamed paper container.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: November 17, 2015
    Assignees: NISSIN FOODS HOLDINGS CO., LTD., Toyo Ink Mfg. Co., Ltd.
    Inventors: Manabu Matsuzaki, Hiroshi Tsukawaki, Mitsuaki Hirata, Shinya Sugiura, Hiroyuki Kawashima
  • Patent number: 8530400
    Abstract: Provided is a maintenance liquid for inkjet printers, which comprises at least one of glycol ethers and glycol esters represented by the following general formulas (1) to (3), and 45 to 10 mg/L of dissolved oxygen: R1CO(OR2)xOR3??General formula (1) R4CO(OR5)YOCOR6??General formula (2) R7(OR8)ZOR9??General formula (3) wherein R2, R5, and R8 each independently represent an ethylene group or a propylene group, R1, R3, R4, and R6 each independently represent an alkyl group having 1 to 4 carbon atoms, R7 and R9 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and X, Y, and Z each independently represent an integer of 1 to 4.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: September 10, 2013
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Eriko Seki, Seiji Aida, Yasuo Yoshihiro, Kaori Nakano, Ken Yamasaki
  • Patent number: 8519020
    Abstract: A non-aqueous ink jet which has less bad odor, has excellent safety and sanitariness, excellent resin dissolvability, excellent printing stability and excellent dryability, causes no corrosion of printers, and has good adhesiveness to non-absorbent substrates, and an ink set are provided. In the non-aqueous inkjet ink comprising a pigment, a resin and a mixed solvent, the mixed solvent comprises diethylene glycol dialkyl ether and tetraethylene glycol dialkyl ether.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: August 27, 2013
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Seiji Aida, Ken Yamasaki, Atsushi Yoda, Kaori Nakano
  • Patent number: 8507791
    Abstract: The present invention provides a sheet for sealing a rear surface of a solar cell in which degradation due to hydrolysis of the material constituting the solar cell is prevented, and the weather resistance is excellent such that electric output properties of the solar cell can be maintained not only under conditions of actual usage of the solar cell module but also conditions for evaluation under high temperatures and high moistures, and provides a sheet for sealing a rear surface of a solar cell comprising a laminate in which at least two substrates are laminated by an polyurethane-based adhesive, wherein the polyurethane-based adhesive comprises an adhesive having hydrolysis resistance which satisfies the following conditions: condition 1: the lamination strength of the adhesive is 1 N/15 mm or more after keeping the laminate in a chamber which acts as a highly accelerated stress test system under pressurized steam conditions of 105° C. and 1.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: August 13, 2013
    Assignees: Toppan Printing Co., Ltd., Toyo Ink Mfg. Co., Ltd.
    Inventors: Masayoshi Suzuta, Masanobu Yoshinaga, Ikuno Shimeno, Atsushi Tsujii, Bungo Yasui, Seiji Maeda
  • Patent number: 8461075
    Abstract: The present invention relates to recording material having a laser coloring layer, wherein the laser coloring layer comprises one or more materials selected from among pigments, dyes and inorganic materials, and the laser coloring layer exhibits absorption at a wavelength within a range from 700 to 12,000 nm. The recording material of the present invention has a laser coloring layer of a desired hue, such as yellow, cyan, magenta, orange, white or black, and by conducting printing by laser irradiation, a recorded item with excellent color tone can be obtained.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: June 11, 2013
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Norifumi Watanabe, Yoshiyuki Onai, Jun Kaneda, Atsushi Katsuya, Kenshiro Shimada
  • Patent number: 8440110
    Abstract: Disclosed is a method for producing a metal particle dispersion wherein a metal compound is reduced by using carbodihydrazide represented by the formula (1) below or a polybasic acid polyhydrazide represented by the formula (2) below (wherein R represents an n-valent polybasic acid residue) in a liquid medium. By reducing the metal compound in the presence of a compound having a function preventing discoloration of the metal, there can be obtained a metal particle dispersion having excellent discoloration preventing properties. Metal particles produced by such methods have a uniform particle diameter and are excellent in dispersion stability. By using a conductive resin composition or conductive ink containing a metal particle dispersion obtained by such production methods, there can be formed a conductive coating film, such as a conductive circuit or an electromagnetic layer, having good characteristics.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 14, 2013
    Assignee: Toyo Ink Mfg Co., Ltd.
    Inventors: Kaori Sakaguchi, Kinya Shiraishi
  • Patent number: 8431195
    Abstract: An ink composition having a colorant; a binder resin; and a solvent; wherein the elongation ratio of the binder resin is 400% to 3,000%; wherein the binder resin comprises a urethane resin and a vinyl chloride/vinyl acetate copolymer, and the mixing ratio of the urethane resin:vinyl chloride/vinyl acetate copolymer relative to the total weight of the urethane resin and the vinyl chloride/vinyl acetate copolymer is 50:50 to 99:1; and wherein the urethane resin comprises a urethane-urea resin that is obtained by a process comprising reacting dibutylamine and a urethane prepolymer obtained by a process comprising reacting a polymeric polyol component having a number average molecular weight of 500 to 10,000 and an organic diisocyanate component having terminal isocyanate groups. A heat insulating foamed paper container material having at least one print pattern formed from said ink composition.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: April 30, 2013
    Assignees: Nissin Foods Holdings Co., Ltd., Toyo Ink Mfg. Co., Ltd.
    Inventors: Manabu Matsuzaki, Hiroshi Tsukawaki, Mitsuaki Hirata, Shinya Sugiura, Hiroyuki Kawashima
  • Patent number: 8378005
    Abstract: Provided is an active energy ray-curable inkjet ink comprising a pigment and polymerizable monomers that is superior in nozzle ejection stability, adhesiveness to recording medium and storage stability, wherein the polymerizable monomers comprise N-acryloyloxyethyl hexahydrophthalimide.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: February 19, 2013
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Yasuo Yoshihiro, Yukitoshi Takahashi
  • Patent number: 8313800
    Abstract: A conductive coating film is formed on a substrate by bringing a conductive material covered with a protective material into contact with a material having anion exchange ability, through such a process wherein an anion exchange layer containing a material having anion exchange ability is formed on a substrate and then a layer containing a conductive material covered with a protective material is formed on the anion exchange layer, or alternatively through such a process wherein a layer containing a conductive material covered with a protective material is formed on a substrate and then an anion exchange layer containing a material having anion exchange ability is formed on the layer containing a conductive material. The anion exchange layer and the layer containing a conductive material may be formed by coating, printing or the like.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: November 20, 2012
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Kinya Shiraishi, Kaori Sakaguchi
  • Patent number: 8237894
    Abstract: A color filter includes a red filter segment, a green filter segment and a blue filter segment, on a substrate, wherein when a pseudo-white LED is used, an area of a triangle defined by three chromaticity points of the red, green and blue filter segments expressed as (xR, yR), (xG, yG) and (xB, yB) on the x-y chromaticity diagram occupies 72% or more of an area standard triangle defined by defined by 3 points of red (0.67, 0.33), green (0.21, 0.71) and blue (0.14, 0.08), and the color filter has a color temperature of 6000K or more. Each of the red, green and blue filter segments has a thickness of 3.3 ?m or less. A liquid crystal display device includes such color filter and the pseudo-white LED.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: August 7, 2012
    Assignees: Toyo Ink Mfg. Co., Ltd., Toppan Printing Co., Ltd.
    Inventors: Kazunori Yamada, Takashi Kanoh, Hideyo Tanaka, Yukino Miyagawa, Satoshi Ohkuma, Mie Shimizu, Takeshi Itoi
  • Patent number: 8231960
    Abstract: The present invention provides a decorative paper which is excellent in solvent resistance, and chemical resistances such as alkali resistance, acid resistance and alcohol resistance without carrying out complicated steps such as an addition of a curing agent into a ink layer because the ink layer which is poor at solvent resistance and chemical resistance is crosslinked. The decorative sheet of the present invention comprises a base material, an ink layer, a curable primer layer containing a curing agent reactive with a resin in the ink layer, and an active energy ray-curable surface protective layer, which are provided in the order of the curable primer layer/ink layer/active energy ray-curable surface protective layer on the base material.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: July 31, 2012
    Assignees: Toyo Ink Mfg. Co., Ltd., Toppan Cosmo, Inc.
    Inventors: Kenshiro Shimada, Joji Suzuki, Katsuyuki Ueki
  • Patent number: 8137793
    Abstract: An active energy ray-curable ink composition having excellent adhesiveness to various base materials and satisfactory ejection stability is provided. An active energy ray-curable inkjet ink composition comprising polymerizable monomers, the polymerizable monomers comprising 60 to 98% by weight of monofunctional monomers, the monofunctional monomers comprising 25 to 65% by weight of isobornyl acrylate and 12.5 to 69% by weight of N-vinyl caprolactam based on the total amount of the polymerizable monomers.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: March 20, 2012
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Yuji Kameyama, Kazuhiro Jonai, Norio Suzuki
  • Patent number: 8114521
    Abstract: A gas barrier laminate comprising: a plastic substrate (I); a gas barrier layer (II) formed from a gas barrier layer-forming coating material (C) containing a polyalcohol-based polymer (A) and a polycarboxylic acid-based polymer (B); an overcoat layer (III) formed from an overcoat layer-forming coating material (F) containing at least one of a monovalent metal compound (D) and a bivalent or higher metal compound (E); and a top coat layer (IV) formed from a top coat layer-forming coating material (G); wherein the gas barrier layer (II) is laminated to the plastic substrate (I), either directly or with an anchor coat layer disposed therebetween, the overcoat layer (III) is laminated on top of the gas barrier layer (II), and the top coat layer (IV) is formed on top of the overcoat layer (III).
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: February 14, 2012
    Assignees: Unitika Ltd., Toyo Ink Mfg. Co., Ltd.
    Inventors: Hideki Kuwata, Takayoshi Okuzu, Munehiro Miyake, Mitsuo Yoshida, Junji Okamoto, Kunihiko Ozaki, Miyuki Kamoshita, Reiko Ueno
  • Patent number: 8105679
    Abstract: The present invention relates to an active energy beam-curable ink comprising polymerizable monomers, wherein relative to the total of all the polymerizable monomers, the polymerizable monomers comprise from 95 to 99.99% by weight of a monofunctional monomer and from 0.01 to 5% by weight of a polyfunctional monomer, and a cured film of thickness 10 ?m formed using the active energy beam-curable ink exhibits a drawing ability exceeding 120% when stretched at a temperature of 170° C. at a strain rate of 2/min.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: January 31, 2012
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Kazuhiro Jonai, Yasuo Yoshihiro, Daisuke Nishida
  • Patent number: 8071888
    Abstract: This invention provides an electrically conductive ink comprising an electrically conductive material and a vinyl chloride/vinyl acetate/hydroxyalkyl (meth)acrylate copolymer resin. There is also provided a noncontact-type medium comprising a base material and, provided on the base material, an electrically conductive circuit formed using the electrically conductive ink, and an IC chip mounted in the state of being electrically conducted to the electrically conductive circuit. An electrically conductive circuit, which is in a thin film form, can be used as an antenna circuit for noncontact-type media, has a low volume resistivity on the order of 10?5 ?·cm, and is highly reliable under a high temperature and high humidity environment, can be formed by using the electrically conductive ink at a low temperature in a short time.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: December 6, 2011
    Assignee: Toyo Ink. Mfg. Co., Ltd.
    Inventors: Kinya Shiraishi, Kaori Nakamura, Kouji Miyabayashi
  • Patent number: 8049844
    Abstract: A color filter includes red, green and blue filter segments and is adapted to be used in a liquid crystal display device using, as a light source, a white LED having specified spectral properties. The red filter segment has a 50% transmittance wavelength within a range of 595 to 610 nm and a transmittance of 85% or more at a wavelength of 630 nm. The blue filter segment has a maximum transmittance wavelength of 455 nm or less and a transmittance of 55% or more at a wavelength of 450 nm. A thickness of each of the red, green and blue filter segments is 3.0 ?m or less. A liquid crystal display device including this color filter and the white LED is also disclosed.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: November 1, 2011
    Assignees: Toyo Ink Mfg. Co., Ltd., Toppan Printing Co., Ltd.
    Inventors: Satoshi Okutsu, Kenro Sunahara, Atsushi Nishida, Yukino Miyagawa, Tomoyuki Kadowaki, Mie Shimizu, Takeshi Itoi, Koichi Minato
  • Publication number: 20110230603
    Abstract: The present invention relates to a pigment ink composition that can fulfill excellent print stability, and performances and drying performance of printed matters. The ink composition comprises: at least a pigment; an organic solvent; and two or more kinds of binder resins having different weight average molecular weights (Mw), wherein, when a binder resin having lowest weight average molecular weight (Mw) is marked as ?, and a binder resin having higher weight average molecular weight (Mw) than that of the binder resin ? and meeting formula (3) is marked as ? among the two or more kinds of binder resins to be used, the ink composition meets formulae (1) and (2): Formula (1): Mw??Mw??10,000, Formula (2): 1,000<Mw?<30,000, and Formula (3): 20,000<Mw?<100,000, wherein Mw? represents the weight average molecular weight of the binder resin ?, and Mw? represents the weight average molecular weight of the binder resin ?.
    Type: Application
    Filed: September 4, 2009
    Publication date: September 22, 2011
    Applicant: TOYO INK MFG. CO., LTD.
    Inventors: Atsushi Yoda, Seiji Aida, Ken Yamasaki, Daisuke Fujiwara, Kouhei Yamada, Kazunori Shigemori, Mitsuo Umezawa
  • Publication number: 20110175040
    Abstract: Disclosed is a method for producing a metal particle dispersion wherein a metal compound is reduced by using carbodihydrazide represented by the formula (1) below or a polybasic acid polyhydrazide represented by the formula (2) below (wherein R represents an n-valent polybasic acid residue) in a liquid medium. By reducing the metal compound in the presence of a compound having a function preventing discoloration of the metal, there can be obtained a metal particle dispersion having excellent discoloration preventing properties. Metal particles produced by such methods have a uniform particle diameter and are excellent in dispersion stability. By using a conductive resin composition or conductive ink containing a metal particle dispersion obtained by such production methods, there can be formed a conductive coating film, such as a conductive circuit or an electromagnetic layer, having good characteristics.
    Type: Application
    Filed: March 30, 2011
    Publication date: July 21, 2011
    Applicant: TOYO INK MFG CO., LTD.
    Inventors: Kaori SAKAGUCHI, Kinya SHIRAISHI
  • Patent number: 7981327
    Abstract: Disclosed is a method for producing a metal particle dispersion wherein a metal compound is reduced by using carbodihydrazide represented by the formula (1) below or a polybasic acid polyhydrazide represented by the formula (2) below (wherein R represents an n-valent polybasic acid residue) in a liquid medium. By reducing the metal compound in the presence of a compound having a function preventing discoloration of the metal, there can be obtained a metal particle dispersion having excellent discoloration preventing properties. Metal particles produced by such methods have a uniform particle diameter and are excellent in dispersion stability. By using a conductive resin composition or conductive ink containing a metal particle dispersion obtained by such production methods, there can be formed a conductive coating film, such as a conductive circuit or an electromagnetic layer, having good characteristics.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: July 19, 2011
    Assignee: Toyo Ink Mfg. Co. Ltd.
    Inventors: Kaori Sakaguchi, Kinya Shiraishi
  • Patent number: 7977670
    Abstract: An organic transistor having a source electrode, a drain electrode, a gate electrode, and an organic semiconductor layer, wherein the organic semiconductor layer comprises a compound represented by the following general formula [1] or [3]: General Formula [1] wherein A and B independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted heterocyclic group, or a substituted or unsubstituted aryl group. General Formula [3] wherein R1 to R10 are independently a hydrogen atom, a halogen atom, an alkyl group which has 4 or less carbon atoms and may be substituted with a halogen atom, an alkoxyl group which has 4 or less carbon atoms and may be substituted with a halogen atom, an amino group which has 4 or less carbon atoms and may be substituted with a halogen atom, a nitro group, or a cyano group, and the compound contains at least one halogen atom.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: July 12, 2011
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Hiroyuki Yanai, Shuichi Kimura, Kiyoshi Yase, Yuji Yoshida, Masayuki Chikamatsu