Patents by Inventor Fumiyasu MURAKAMI

Fumiyasu MURAKAMI 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: 11697737
    Abstract: A salt-forming compound represented by the following general formula (3): where X1 and X2 each independently represent an aromatic ring group optionally containing a substituent; Y represents a divalent hydrocarbon group that the carbon atom directly bound to X1 or X2 does not have a ? bond; Z+ represents an organic cation group; e represents an integer of from 1 to 4; and when e is 2 or more, a plurality of Ys and a plurality of Z+ s may be each the same or different; Ac- represents a heteropolyoxometalate anion which is a c-valent anion and which has an oxidation-reduction potential larger than ?0.3 V relative to the silver/silver chloride electrode; f and c are each an integer of 2 or more; g is an integer of 1 or more; and the salt-forming compound is a normal salt that f×e=c×g.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: July 11, 2023
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Masato Okada, Hiroko Amano, Tomoki Murata, Fumiyasu Murakami
  • Publication number: 20230094496
    Abstract: A salt-forming compound represented by the following general formula (3): where X1 and X2 each independently represent an aromatic ring group optionally containing a substituent; Y represents a divalent hydrocarbon group that the carbon atom directly bound to X1 or X2 does not have a ? bond; Z+ represents an organic cation group; e represents an integer of from 1 to 4; and when e is 2 or more, a plurality of Ys and a plurality of Z+ s may be each the same or different; Ac? represents a heteropolyoxometalate anion which is a c-valent anion and which has an oxidation-reduction potential larger than ?0.3 V relative to the silver/silver chloride electrode; f and c are each an integer of 2 or more; g is an integer of 1 or more; and the salt-forming compound is a normal salt that f×e=c×g.
    Type: Application
    Filed: October 12, 2022
    Publication date: March 30, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Masato OKADA, Hiroko AMANO, Tomoki MURATA, Fumiyasu MURAKAMI
  • Patent number: 11518888
    Abstract: A color material dispersion liquid including a color material, which is a salt-forming compound of an organic dye with a heteropolyoxometalate, a dispersant and a solvent, wherein the organic dye is at least one organic dye selected from the group consisting of a porphyrin dye, a tetraazaporphyrin dye, a phthalocyanine dye and a squarylium dye, and wherein the heteropolyoxometalate is a heteropolyoxometalate which has an oxidation-reduction potential larger than ?0.3 V relative to the silver/silver chloride electrode.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: December 6, 2022
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Masato Okada, Hiroko Amano, Tomoki Murata, Fumiyasu Murakami
  • Patent number: 11169308
    Abstract: Disclosed is a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. The color material dispersion liquid for color filters includes (A) a color material, (B) a dispersant and (C) a solvent. The color material (A) contains (A-1) a color material represented by the following general formula (I) and (A-2) a metal lake color material of a rhodamine-based acid dye: (symbols in the general formula (I) are as described in the Description.).
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: November 9, 2021
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Michihiro Ogura, Tomoki Murata, Fumiyasu Murakami, Masato Okada, Hiroaki Segawa
  • Publication number: 20210189137
    Abstract: A color material dispersion liquid including a color material, which is a salt-forming compound of an organic dye with a heteropolyoxometalate, a dispersant and a solvent, wherein the organic dye is at least one organic dye selected from the group consisting of a porphyrin dye, a tetraazaporphyrin dye, a phthalocyanine dye and a squarylium dye, and wherein the heteropolyoxometalate is a heteropolyoxometalate which has an oxidation-reduction potential larger than ?0.3 V relative to the silver/silver chloride electrode.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 24, 2021
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Masato OKADA, Hiroko AMANO, Tomoki MURATA, Fumiyasu MURAKAMI
  • Publication number: 20200377748
    Abstract: An ink composition comprising one or two or more kinds of rare-earth complexes containing trivalent rare-earth ions and at least one organic ligand selected from a ?-diketone ligand, a carboxylic acid ligand, a phosphine oxide ligand and a nitrogen-containing aromatic heterocyclic ligand, wherein at least one selected from the following group A and at least one selected from the following group B are contained as the trivalent rare-earth ions contained in the one or two or more kinds of rare-earth complexes: Group A: Eu3+, Sm3+, Pr3+ and Ho3+; and Group B: Tb3+, Er3+, Tm3+, Dy3+, Yb3+, Nd3+, Ce3+ and Gd3+.
    Type: Application
    Filed: June 1, 2018
    Publication date: December 3, 2020
    Inventors: Yuko Aoyama, Jun Sato, Fumiyasu Murakami, Masato Okada, Toshio Yoshihara, Yasuchika Hasegawa, Takayuki Nakanishi
  • Publication number: 20200354596
    Abstract: An ink composition comprising: a rare-earth complex containing one kind of trivalent rare-earth ion selected from the group consisting of Eu3+, Tb3+, Sm3+, Er3+, Pr3+, Ho3+, Tm3+ and Dy3+, and a specific phosphine oxide ligand coordinated to the rare-earth ion, and a light-emitting material different from the rare-earth complex, wherein an absolute value of a difference between a wavelength (?1) at which a light emission intensity of the rare-earth complex is maximum and a wavelength (?2) at which a light emission intensity of the light-emitting material is maximum, is 50 nm or more.
    Type: Application
    Filed: June 1, 2018
    Publication date: November 12, 2020
    Inventors: Yuko Aoyama, Jun Sato, Fumiyasu Murakami, Masato Okada, Toshio Yoshihara
  • Patent number: 10689517
    Abstract: A color material dispersion liquid comprising: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a lake color material of a combination of an acid dye and a polyaluminum chloride; a basicity of the polyaluminum chloride is 70% or more; and a value of a ratio (I4/I6) between an integral value (I4) of a peak corresponding to a four-coordinate aluminum in a solid-state 27Al-NMR spectrum of the lake color material and an integral value (I6) a peak corresponding to a six-coordinate aluminum therein, is from 0 to 0.50.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: June 23, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Michihiro Ogura, Tomoki Murata, Fumiyasu Murakami, Daisuke Endo, Yohei Ito
  • Patent number: 10570287
    Abstract: Disclosed is a non-aqueous dispersant which is a graft copolymer comprising a constitutional unit represented by the following general formula (II) and at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I?), or which is a block copolymer comprising a block portion containing a constitutional unit represented by the following general formula (III) and a block portion containing at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I?):
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: February 25, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Michihiro Ogura, Tomoki Murata, Fumiyasu Murakami, Masato Okada, Hiroaki Segawa
  • Patent number: 10538669
    Abstract: Disclosed is a color material dispersion liquid for a color filter, the dispersion liquid having excellent dispersibility and being capable of forming a high-contrast, high-luminance coating film; a color resin composition for a color filter, the composition having excellent dispersibility and being capable of forming a high-contrast, high-luminance coating film; a color material with excellent dispersibility; a high-contrast and high-luminance color filter; a liquid crystal display device including the color filter, and a light-emitting display device including the color filter. The color material dispersion liquid for a color filter, includes: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a zirconium lake color material of an acid dye.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: January 21, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke Endo, Michihiro Ogura, Tomoki Murata, Fumiyasu Murakami
  • Patent number: 10519313
    Abstract: Disclosed is a color material dispersion liquid for a color filter, the dispersion liquid being capable of forming a high-luminance coating film with excellent light resistance; a color resin composition for a color filter, the composition being capable of forming a high-luminance coating film with excellent light resistance; a color material that has, while it can form a high-luminance coating film, excellent light resistance; a high-contrast, high-luminance color filter; a liquid crystal display device including the color filter; and a light-emitting display device including the color filter. The color material dispersion liquid for a color filter, includes: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a cerium lake color material of an acid dye.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: December 31, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Fumiyasu Murakami, Michihiro Ogura, Tomoki Murata, Daisuke Endo
  • Publication number: 20190227209
    Abstract: The present invention is to provide a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. Disclosed is a color material dispersion liquid for color filters, including: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains (A-1) a color material represented by the following general formula (I) and (A-2) a metal lake color material of a rhodamine-based acid dye: (symbols in the general formula (I) are as described in the Description.
    Type: Application
    Filed: April 2, 2019
    Publication date: July 25, 2019
    Inventors: Michihiro OGURA, Tomoki MURATA, Fumiyasu MURAKAMI, Masato OKADA, Hiroaki SEGAWA
  • Patent number: 10351705
    Abstract: Disclosed is a color material dispersion liquid for a color filter, the dispersion liquid being capable of forming a high-luminance coating film with excellent light resistance; a color resin composition for a color filter, the composition being capable of forming a high-luminance coating film with excellent light resistance; a color material that has, while it can form a high-luminance coating film, excellent light resistance; a high-contrast, high-luminance color filter; a liquid crystal display device including the color filter; and a light-emitting display device including the color filter. The color material dispersion liquid for a color filter, includes: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a cerium lake color material of an acid dye.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: July 16, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Fumiyasu Murakami, Michihiro Ogura, Tomoki Murata, Daisuke Endo
  • Patent number: 10317592
    Abstract: Disclosed is a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. The color material dispersion liquid for color filters includes (A) a color material, (B) a dispersant and (C) a solvent.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: June 11, 2019
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Michihiro Ogura, Tomoki Murata, Fumiyasu Murakami, Masato Okada, Hiroaki Segawa
  • Publication number: 20180100068
    Abstract: A color material dispersion liquid comprising: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a lake color material of a combination of an acid dye and a polyaluminum chloride; a basicity of the polyaluminum chloride is 70% or more; and a value of a ratio (I4/I6) between an integral value (I4) of a peak corresponding to a four-coordinate aluminum in a solid-state 27Al-NMR spectrum of the lake color material and an integral value (I6) a peak corresponding to a six-coordinate aluminum therein, is from 0 to 0.50.
    Type: Application
    Filed: April 20, 2016
    Publication date: April 12, 2018
    Inventors: Michihiro OGURA, Tomoki MURATA, Fumiyasu MURAKAMI, Daisuke ENDO, Yohei ITO
  • Publication number: 20170349755
    Abstract: Disclosed is a color material dispersion liquid for a color filter, the dispersion liquid having excellent dispersibility and being capable of forming a high-contrast, high-luminance coating film; a color resin composition for a color filter, the composition having excellent dispersibility and being capable of forming a high-contrast, high-luminance coating film; a color material with excellent dispersibility; a high-contrast and high-luminance color filter; a liquid crystal display device including the color filter, and a light-emitting display device including the color filter. The color material dispersion liquid for a color filter, includes: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a zirconium lake color material of an acid dye.
    Type: Application
    Filed: October 15, 2015
    Publication date: December 7, 2017
    Inventors: Daisuke ENDO, Michihiro OGURA, Tomoki MURATA, Fumiyasu MURAKAMI
  • Publication number: 20170342271
    Abstract: Disclosed is a color material dispersion liquid for a color filter, the dispersion liquid being capable of forming a high-luminance coating film with excellent light resistance; a color resin composition for a color filter, the composition being capable of forming a high-luminance coating film with excellent light resistance; a color material that has, while it can form a high-luminance coating film, excellent light resistance; a high-contrast, high-luminance color filter; a liquid crystal display device including the color filter; and a light-emitting display device including the color filter. The color material dispersion liquid for a color filter, includes: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a cerium lake color material of an acid dye.
    Type: Application
    Filed: October 15, 2015
    Publication date: November 30, 2017
    Inventors: Fumiyasu MURAKAMI, Michihiro OGURA, Tomoki MURATA, Daisuke ENDO
  • Publication number: 20160376443
    Abstract: Disclosed is a non-aqueous dispersant which is a graft copolymer comprising a constitutional unit represented by the following general formula (II) and at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I?), or which is a block copolymer comprising a block portion containing a constitutional unit represented by the following general formula (III) and a block portion containing at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I?):
    Type: Application
    Filed: October 2, 2014
    Publication date: December 29, 2016
    Inventors: Michihiro OGURA, Tomoki MURATA, Fumiyasu MURAKAMI, Masato OKADA, Hiroaki SEGAWA
  • Publication number: 20160282530
    Abstract: Disclosed is a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. The color material dispersion liquid for color filters includes (A) a color material, (B) a dispersant and (C) a solvent.
    Type: Application
    Filed: July 16, 2014
    Publication date: September 29, 2016
    Inventors: Michihiro OGURA, Tomoki MURATA, Fumiyasu MURAKAMI, Masato OKADA, Hiroaki SEGAWA
  • Patent number: 9389348
    Abstract: The present invention is to provide a color material dispersion liquid which is able to form a high-luminance coating film having excellent heat resistance, with adjusting the color tone of the coating film to a desired color tone. Disclosed is a color material dispersion liquid containing: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a color material (A-1) in which at least a cation represented by the following general formula (I) and a monovalent anion represented by the following general formula (II) form a salt: (symbols in the general formulae (I) and (II) are as described in the Description.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: July 12, 2016
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Tomoki Murata, Michihiro Ogura, Masato Okada, Daisuke Endo, Fumiyasu Murakami, Hiroaki Segawa