Patents by Inventor Akio Mizuno

Akio Mizuno 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: 11965047
    Abstract: Provided are a curable composition including a pigment, a resin, a polymerizable compound, a photopolymerization initiator, and a solvent; a film formed of the curable composition; a structural body; a color filter; a solid-state imaging element; and an image display device. The resin includes a resin A which includes a repeating unit having a graft chain of a poly(meth)acrylate structure and a repeating unit having an acid group, and the graft chain of a poly(meth)acrylate structure includes a repeating unit represented by the following formula. R1 represents a hydrogen atom or a methyl group, and R2 represents a hydrocarbon group having 1 to 20 carbon atoms. However, R1 is a hydrogen atom in a case where R2 is a methyl group, and R2 is a hydrocarbon group having 2 or more carbon atoms in a case where R1 is a methyl group.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: April 23, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Akio Mizuno, Hirotaka Takishita
  • Publication number: 20230350289
    Abstract: Provided are a composition for forming an underlayer film of a color filter, the composition including a resin A and a solvent B, in which the resin A includes a resin a-1 having an alkyleneoxy structure, a content of the resin a-1 in a total solid content of the composition for forming an underlayer film is 50% by mass or more, and a concentration of solid contents of the composition for forming an underlayer film is 1% by mass or less; a color filter using the composition for forming an underlayer film; a method for manufacturing a color filter; a solid-state imaging element; and an image display device.
    Type: Application
    Filed: February 7, 2023
    Publication date: November 2, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya OOTA, Akio MIZUNO, Shoichi NAKAMURA, Masahiro MORI, Hirotaka MOTOHASHI
  • Publication number: 20230159752
    Abstract: Provided are a resin composition including a pigment, a compound A which includes 3 or more basic groups in one molecule, has an amine value of 2.7 mmol/g or more, and has a molecular weight of 100 or more, and a resin having an acid group, in which the pigment is included in an amount of 40% by mass or more in a total solid content of the resin composition; a film formed of the resin composition; and an optical filter, a solid-state imaging element, and an image display device, which include the film.
    Type: Application
    Filed: November 21, 2022
    Publication date: May 25, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya OOTA, Akio MIZUNO, Yutaro FUKAMI, Shoichi NAKAMURA
  • Publication number: 20230061680
    Abstract: Provided is a photosensitive coloring composition comprising a pigment, an amine compound having two or more cyclic amino groups in a molecule, a resin, and a photopolymerization initiator, in which a content of the pigment is 40% by mass or more with respect to a total solid content of the photosensitive coloring composition; a cured substance of the photosensitive coloring composition; a color filter including the cured substance; a solid-state imaging element; or an image display device.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 2, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Akio MIZUNO, Kazuya OOTA, Shoichi NAKAMURA
  • Patent number: 11518827
    Abstract: The present invention provides a curable compound including a pigment, a compound A, a photopolymerization initiator, a curable compound other than the compound A, and a resin, in which a content of the compound A in a total solid content of the curable composition is 1 to 15 mass %. The compound A is a compound having each of a coloring agent partial structure, an acid group or a basic group, and a curable group. The present invention further provides a method for producing the curable composition, a film formed of the curable composition, a color filter, a method for manufacturing a color filter, a solid-state imaging element, and an image display device.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: December 6, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Masaomi Makino, Yushi Kaneko, Akio Mizuno, Yasuhiro Sawamura, Hiroaki Idei
  • Publication number: 20220332970
    Abstract: Provided are a photosensitive composition including a coloring material A including a pigment, a pigment derivative B, and a dispersant C, in which the pigment derivative B includes a pigment derivative B1 in which a maximum value of a molar absorption coefficient in a wavelength range of 400 to 700 nm is 3000 L·mol?1·cm?1 or less, the dispersant C includes a dispersant C1 having an ethylenically unsaturated bond-containing group, and a total content of the coloring material A and the pigment derivative B in a total solid content of the photosensitive composition is 50% by mass or more; a film formed of the photosensitive composition; an optical filter, a solid-state imaging element; and an image display device.
    Type: Application
    Filed: June 22, 2022
    Publication date: October 20, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya OOTA, Yasuhiro SAWAMURA, Akio MIZUNO, Junichi ITO
  • Patent number: 11466113
    Abstract: Provided is a composition with which a film having reduced color unevenness can be formed. In addition, provide are a film, an infrared transmitting filter, a solid image pickup element, an image display device, and an infrared sensor. The composition including a light shielding material; and a compound A having a weight-average molecular weight of 3000 or higher that has a radically polymerizable ethylenically unsaturated group, in which the compound A includes a repeating unit having a graft chain, and a ratio Amin/Bmax of a minimum value Amin of an absorbance of the composition in a wavelength range of 400 to 640 nm to a maximum value Bmax of an absorbance of the composition in a wavelength range of 940 to 1300 nm is 5 or higher.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 11, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Masahiro Mori, Akio Mizuno, Kazuya Oota
  • Publication number: 20220299871
    Abstract: Provided are a coloring composition including a colorant, a polymerizable compound, and a photopolymerization initiator, in which the colorant includes a green pigment, a content of the green pigment in a total solid content of the coloring composition is 25% by mass or more, and the green pigment includes a compound which is a compound represented by Formula (1) and has a maximal absorption wavelength in a wavelength range of 620 to 730 nm; a film formed of the coloring composition; a color filter; a solid-state imaging element; and an image display device.
    Type: Application
    Filed: June 8, 2022
    Publication date: September 22, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Takuya TSURUTA, Takuro SUGIYAMA, Yasuharu SHIRAISHI, Akio MIZUNO
  • Patent number: 11390752
    Abstract: Provided is a coloring composition capable of forming a cured film having desired spectral characteristics even for thin-film. In addition, provided are a cured film, a pattern forming method, a color filter, a solid-state imaging element, and an image display device. The coloring composition contains: a pigment A having a structure in which an aromatic ring group into which a group with an oxygen atom, a sulfur atom, or a nitrogen atom bonded to an aromatic ring is introduced is bonded to a diketopyrrolopyrrole skeleton; and a compound having a curable group. A content of the pigment A in a total solid content of the coloring composition is 40% by mass or more.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: July 19, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Akio Mizuno, Hidekazu Oohashi, Masahiro Mori, Hiromu Koizumi
  • Publication number: 20220177627
    Abstract: Provided are a curable composition including a pigment, a curable compound, and a resin A having a constitutional unit represented by Formula (1), a constitutional unit represented by Formula (2), and a constitutional unit having a molecular weight of 1,000 or less and represented by Formula (3); a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element and an image display device including the color filter. X1 represents an (m+2)-valent organic group, X2 and X3 represent a trivalent organic group, m represents an integer of 1 to 4, L2's each independently represent O or NR, L3's each independently represent a carbonyl group, O, or NR, R represents a hydrogen atom, an alkyl group, or an aryl group, P1 represents a group having a polymer chain, R1's each independently represent a substituent, and R3 represents a group having a polymerizable group.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Akio MIZUNO, Yushi KANEKO
  • Publication number: 20220169771
    Abstract: Provided are a resin having a graft structure represented by Formula (1); a curable composition and a cured product of the resin; a color filter including the cured product; a solid-state imaging element or an image display device including the color filter; and a novel polymer compound. In Formula (1), P1 represents a polymer chain, X1 represents an alkylene group having a length of 3 or more atoms, L represents a single bond or a divalent linking group, and * represents a connection position with a structure including a main chain.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Yutaro FUKAMI, Akio MIZUNO, Yushi KANEKO, Hirotaka TAKISHITA
  • Publication number: 20220112399
    Abstract: Provided are a resin composition including a pigment, a resin including a repeating unit represented by Formula (1), and a solvent; a film formed of the resin composition; a color filter; a solid-state imaging element; an image display device; a resin; and a compound.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 14, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Yushi KANEKO, Akio MIZUNO, Yutaro FUKAMI, Masaomi MAKINO
  • Publication number: 20210332173
    Abstract: Provided are a curable composition including a pigment, a resin, a polymerizable compound, a photopolymerization initiator, and a solvent; a film formed of the curable composition; a structural body; a color filter; a solid-state imaging element; and an image display device. The resin includes a resin A which includes a repeating unit having a graft chain of a poly(meth)acrylate structure and a repeating unit having an acid group, and the graft chain of a poly(meth)acrylate structure includes a repeating unit represented by the following formula. R1 represents a hydrogen atom or a methyl group, and R2 represents a hydrocarbon group having 1 to 20 carbon atoms. However, R1 is a hydrogen atom in a case where R2 is a methyl group, and R2 is a hydrocarbon group having 2 or more carbon atoms in a case where R1 is a methyl group.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 28, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Akio MIZUNO, Hirotaka TAKISHITA
  • Publication number: 20210155803
    Abstract: Provided are a coloring composition including a pigment A having a structure in which an aromatic ring group in which an electron-donating group is introduced into an aromatic ring is bonded to a diketopyrrolopyrrole skeleton, and a compound having a curable group, in which a content of the pigment A in a total solid content of the coloring composition is 35 mass % or more; a cured film formed of the coloring composition; a method for forming a pattern; a color filter; a solid-state imaging element; and an image display device.
    Type: Application
    Filed: February 1, 2021
    Publication date: May 27, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Hiromu KOIZUMI, Kazuya OOTA, Akio MIZUNO, Takahiro OKAWARA, Haruki INABE
  • Publication number: 20210130617
    Abstract: Provided are a coloring composition including a green colorant, a resin, and an organic solvent, in which the green colorant includes a squarylium compound having a solubility of 30 mg/L or less in propylene glycol methyl ether acetate at 25° C.; a film formed of the coloring composition; a color filter; a method for manufacturing a color filter; a solid-state imaging element; and an image display device.
    Type: Application
    Filed: January 6, 2021
    Publication date: May 6, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiro Sawamura, Masaomi Makino, Akio Mizuno, Yushi Kaneko, Hiroaki Idei
  • Publication number: 20210122850
    Abstract: The present invention provides a curable compound including a pigment, a compound A, a photopolymerization initiator, a curable compound other than the compound A, and a resin, in which a content of the compound A in a total solid content of the curable composition is 1 to 15 mass %. The compound A is a compound having each of a coloring agent partial structure, an acid group or a basic group, and a curable group. The present invention further provides a method for producing the curable composition, a film formed of the curable composition, a color filter, a method for manufacturing a color filter, a solid-state imaging element, and an image display device.
    Type: Application
    Filed: January 7, 2021
    Publication date: April 29, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Masaomi MAKINO, Yushi KANEKO, Akio MIZUNO, Yasuhiro SAWAMURA, Hiroaki IDEI
  • Publication number: 20210103215
    Abstract: The present invention provides a curable composition including a pigment, a compound A, a photopolymerization initiator, a curable compound, and a resin, in which a content of the compound A in a total solid content of the curable composition is 1 to 15 mass %. The compound A is a compound including each of a coloring agent partial structure and an acid group or a basic group in the same constitutional unit a and having two or more constitutional units a in one molecule. The present invention further provides a film formed of the curable composition, a color filter, a method for manufacturing a color filter, a solid-state imaging element, and an image display device.
    Type: Application
    Filed: December 10, 2020
    Publication date: April 8, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Akio MIZUNO, Masaomi MAKINO, Kazuya OOTA, Hiroaki IDEI
  • Patent number: 10961381
    Abstract: Provided is a composition with which a film having excellent temporal stability and excellent adhesiveness with a support or the like can be formed. In addition, provided are a film, a near infrared cut filter, a solid image pickup element, an image display device, and an infrared sensor. The composition includes: a near infrared absorbing compound that includes a ?-conjugated plane having a monocyclic or fused aromatic ring; and a compound A having a weight-average molecular weight of 3000 or higher that has a radically polymerizable ethylenically unsaturated group, in which the compound A includes a repeating unit having a graft chain.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: March 30, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masahiro Mori, Akio Mizuno, Kazuya Oota
  • Publication number: 20210088902
    Abstract: Provided is a photosensitive composition including a pigment, a compound which is represented by Formula (1) (A1-L1-Z1) and has 3000 L·mol?1·cm?1 or less of a maximum value of a molar light absorption coefficient in a wavelength range of 400 to 700 nm, a polymerizable compound, and an oxime-based photopolymerization initiator. In Formula (1), A1 represents a group including an aromatic ring, L1 represents a single bond or a divalent linking group, and Z1 represents a group represented by Formula (Z1).
    Type: Application
    Filed: December 3, 2020
    Publication date: March 25, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiro SAWAMURA, Masaomi Makino, Akio Mizuno, Yushi Kaneko, Hiroaki Idei
  • Patent number: 10921712
    Abstract: A color developing composition containing a compound represented by the Formula (1) as defined herein, a lithographic printing plate precursor including a support and an image-recording layer containing the color developing composition, a method for producing a lithographic printing plate including: exposing the lithographic printing plate precursor in an image pattern; and removing a non-exposed portion in the image-recording layer using at least one of printing ink or dampening water on a printer, and a color developing compound represented by the Formula (1) as defined herein.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: February 16, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Takeshi Inasaki, Keisuke Nogoshi, Hiroaki Idei, Akio Mizuno