Patents by Inventor Hiromu KOIZUMI

Hiromu KOIZUMI 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: 11945917
    Abstract: A composition includes a compound represented by Formula (1) and a pigment. In Formula (1), R1 represents an (m+n)-valent linking group, P1 represents a polymer chain which has a polyester repeating unit in a main chain, and of which a weight-average molecular weight is 1000 or more, P2 represents a polymer chain which is different from P1 and has a repeating unit derived from a monomer having an ethylenically unsaturated bonding group in a main chain, m represents a number of 1 to 9, n represents a number of 1 to 9, and m+n satisfies 4 to 18.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: April 2, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Yutaro Fukami, Yushi Kaneko, Junichi Ito, Kazuya Ota, Hiromu Koizumi
  • Patent number: 11912808
    Abstract: Provided are a curable composition including, a block copolymer including a block A which has a constitutional unit having an ethylenically unsaturated group in a side chain of a polymer compound, a pigment, and, a photopolymerization initiator, in which a content of a polymerizable compound is 15 mass % or less with respect to a total solid content of the curable composition; a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element or an image display device including the color filter.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: February 27, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Yutaro Fukami, Junichi Ito, Yushi Kaneko, Hiromu Koizumi, Kazuya Oota
  • Patent number: 11718695
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA—, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: August 8, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Patent number: 11680125
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA—, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: June 20, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Patent number: 11639407
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA—, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: May 2, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • 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: 20220010049
    Abstract: Provided are a curable composition including, a block copolymer including a block A which has a constitutional unit having an ethylenically unsaturated group in a side chain of a polymer compound, a pigment, and, a photopolymerization initiator, in which a content of a polymerizable compound is 15 mass % or less with respect to a total solid content of the curable composition; a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element or an image display device including the color filter.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Yutaro FUKAMI, Junichi ITO, Yushi KANEKO, Hiromu KOIZUMI, Kazuya OOTA
  • Publication number: 20210382388
    Abstract: Provided are a curable composition including a pigment and a resin which satisfies at least one or the following requirement 1 or the following requirement 2; a film and a color filter formed from the curable composition; a method for manufacturing a color filter formed from the curable composition; a solid-state imaging element and an image display device including the film or the color filter; and a polymer compound. Requirement 1: the resin includes a constitutional unit having, in the same side chain, an anionic structure, a quaternary ammonium cationic structure which is ionically bonded to the anionic structure, and a radically polymerizable group. Requirement 2: the resin includes a constitutional unit having, in a side chain, a quaternary ammonium cationic structure and a group to which a radically polymerizable group is linked.
    Type: Application
    Filed: August 6, 2021
    Publication date: December 9, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Yutaro FUKAMI, Yushi KANEKO, Kazuya OOTA, Hiromu KOIZUMI
  • Patent number: 11117986
    Abstract: A curable composition includes: a near infrared absorbing colorant; and a polymerizable monomer that has a group having an unsaturated double bond, in which the near infrared absorbing colorant is a compound that includes a ?-conjugated plane having a monocyclic or fused aromatic ring, a content of the near infrared absorbing colorant is 10 mass % or higher with respect to a total solid content of the curable composition, and a content of a polymerizable monomer that has at least one group selected from an acid group or a hydroxyl group and a group having an unsaturated double bond is 50 mass % or lower with respect to a total mass of all the polymerizable monomers.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: September 14, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Tetsushi Miyata, Hiromu Koizumi
  • 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
  • Patent number: 10988608
    Abstract: A resin composition includes an organic pigment, a resin, and a solvent, in which a content of a Na atom is 0.01 to 50 mass ppm with respect to a total solid content of a resin composition.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: April 27, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Tetsushi Miyata, Hiromu Koizumi
  • Patent number: 10954374
    Abstract: A resin composition includes an organic pigment, a resin, and a solvent, in which a content of a Na atom is 0.01 to 50 mass ppm with respect to a total solid content of a resin composition.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: March 23, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Tetsushi Miyata, Hiromu Koizumi
  • Publication number: 20200392343
    Abstract: Provided are a composition including a compound represented by Formula 1 and having a maximum absorption wavelength in a range of 600 nm or more and less than 750 nm and a polymerizable compound; as well as a cured product of the composition, a color filter including the cured product, a method for producing the color filter, a solid-state imaging element including the color filter, an image display device including the color filter, and a compound. In Formula 1, Z's each independently represent a specific group, n represents an integer of 4 to 16, and R's each independently represent a hydrogen atom or a monovalent substituent which is different from Z, m represents an integer of 0 to 12, and m+n is 16.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Akio Mizuno, Kazuya Ota, Hiromu Koizumi, Hiroaki Idei
  • Publication number: 20200385582
    Abstract: Provided are a curable composition including a compound represented by Formula 1 and having a maximum absorption wavelength in a range of 600 nm or more and less than 700 nm, or a polymer having a structure represented by Formula 2 and having a maximum absorption wavelength in a range of 600 nm or more and less than 700 nm; a polymerizable compound; and a chromatic colorant different from the compound represented by Formula 1 and the polymer represented by Formula 2, as well as a cured product of the curable composition; a color filter including the cured product; a method for producing a color filter; a solid-state imaging element; and an image display device.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 10, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiro SAWAMURA, Tokihiko Matsumura, Akio Mizuno, Hiromu Koizumi
  • Publication number: 20200369810
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA-, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Publication number: 20200299463
    Abstract: A composition includes a compound represented by Formula (1) and a pigment. In Formula (1), R1 represents an (m+n)-valent linking group, P1 represents a polymer chain which has a polyester repeating unit in a main chain, and of which a weight-average molecular weight is 1000 or more, P2 represents a polymer chain which is different from P1 and has a repeating unit derived from a monomer having an ethylenically unsaturated bonding group in a main chain, m represents a number of 1 to 9, n represents a number of 1 to 9, and m+n satisfies 4 to 18.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yutaro FUKAMI, Yushi KANEKO, Junichi ITO, Kazuya OTA, Hiromu Koizumi
  • Publication number: 20200239694
    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: Application
    Filed: March 17, 2020
    Publication date: July 30, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Akio MIZUNO, Hidekazu OOHASHI, Masahiro MORI, Hiromu KOIZUMI
  • Publication number: 20190309106
    Abstract: A curable composition includes: a near infrared absorbing colorant; and a polymerizable monomer that has a group having an unsaturated double bond, in which the near infrared absorbing colorant is a compound that includes a ?-conjugated plane having a monocyclic or fused aromatic ring, a content of the near infrared absorbing colorant is 10 mass % or higher with respect to a total solid content of the curable composition, and a content of a polymerizable monomer that has at least one group selected from an acid group or a hydroxyl group and a group having an unsaturated double bond is 50 mass % or lower with respect to a total mass of all the polymerizable monomers.
    Type: Application
    Filed: June 14, 2019
    Publication date: October 10, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Tetsushi MIYATA, Hiromu KOIZUMI
  • Publication number: 20190300694
    Abstract: A resin composition includes an organic pigment, a resin, and a solvent, in which a content of a Na atom is 0.01 to 50 mass ppm with respect to a total solid content of a resin composition.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazutaka TAKAHASHI, Tetsushi MIYATA, Hiromu KOIZUMI