Patents by Inventor Kazuya Oota

Kazuya Oota 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: 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
  • 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: 11543747
    Abstract: Provided are a composition, in which, in a case where an absorbance of 500 nm is A500, an absorbance of 580 nm is B580, and an absorbance of 600 nm is C600, an absorbance of A500/B580 is 2.0 or more, and C600/B580 is 1.5 or more, a color filter, and a hemoglobin sensor having the color filter.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: January 3, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Hirotaka Takishita, Kazuya Oota
  • Patent number: 11518833
    Abstract: A composition includes two or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., in which the two or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm which is shorter than the absorption maximum of the first near infrared absorbing compound, and a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 150 nm.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: December 6, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tokihiko Matsumura, Daisuke Sasaki, Kyohei Arayama, Yoshihiro Jimbo, Kazuya Oota, Keisuke Arimura, Takahiro Okawara
  • 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: 20220137505
    Abstract: Provided are a coloring composition including a colorant A1 which includes a dye A having a cation AX+ having a coloring agent structure and an anion AZ? and an ionic compound B which is a salt of a cation BX+ and an anion BZ?, in which, in the ionic compound B, a specific absorbance at a maximum absorption wavelength in a wavelength range of 400 to 700 nm is 5 or less, the colorant A1 is contained in an amount of 40 mass % or more in a total solid content of the coloring composition, and the number of moles of the cation AX+ in the dye A, the number of moles of the anion AZ? in the dye A, and the number of moles of the anion BZ? in the ionic compound B satisfy the following expression; a film formed of the coloring composition; a color filter; a solid-state imaging element; and an image display device. 1.05?{(number of moles of anion AZ? in dye A+number of moles of anion BZ? in ionic compound B)/number of moles of cation AX+ in dye A}?5.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Satomu ISHII, Hiroaki IDEI, Kazuya OOTA
  • Patent number: 11296135
    Abstract: Provided are a filter capable of detecting light with less noise, an optical sensor, a solid-state imaging element, and an image display device. This filter is provided with a plurality of different pixels that are two-dimensionally arranged, and at least one of the plurality of pixels is a pixel 11 of a near-infrared cut filter that shields at least a part of light having a wavelength in the near-infrared region and transmits light having a wavelength in the visible region.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: April 5, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Kazuya Oota
  • 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: 11189652
    Abstract: Provided are a structure having excellent moisture resistance, a color filter, a solid-state imaging element, an image display device, and a method for producing a structure. Provided is also a composition for forming an organic material layer which is used to form the above-mentioned structure. This structure 100 has a support 1, partition walls 2 formed on the support 1, colored layers 4 formed in regions partitioned by the partition walls 2, on the support 1, and organic material layers 3 formed using a composition including a compound having a group with an ethylenically unsaturated bond, between the partition walls 2 and the colored layers 4.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: November 30, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazuya Oota, Kaoru Aoyagi
  • Patent number: 11118059
    Abstract: Provided are a film having excellent heat resistance and a film forming method. In addition, provided are an optical filter, a laminate, a solid image pickup element, an image display device, and an infrared sensor. The film includes an aggregate of a dye and a resin, in which an average particle size of the aggregate of the dye is 30 to 450 nm.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: September 14, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazuya Oota, Kyohei Arayama, Daisuke Sasaki, Tokihiko Matsumura, Shunsuke Kitajima
  • Publication number: 20210223436
    Abstract: In a structural body including two pixels which are two-dimensionally arranged in a state of being in contact with each other, each of the two pixels contains a pigment, a pigment derivative in which a maximum value of a molar light absorption coefficient in a wavelength range of 400 to 700 nm is 3000 L·mol?1·cm?1 or less, and a resin. The present invention also relates to a solid-state imaging element and an image display device having the above-described structural body.
    Type: Application
    Filed: April 1, 2021
    Publication date: July 22, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya OOTA, Yasuhiro SAWAMURA, Masahiro MORI
  • 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: 20210139708
    Abstract: A composition includes two or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., in which the two or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm which is shorter than the absorption maximum of the first near infrared absorbing compound, and a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 150 nm.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 13, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tokihiko MATSUMURA, Daisuke SASAKI, Kyohei ARAYAMA, Yoshihiro JIMBO, Kazuya OOTA, Keisuke ARIMURA, Takahiro OKAWARA
  • Patent number: 10991749
    Abstract: Provided is a structure capable of detecting near-infrared light with good sensitivity. Also provided are a composition for forming a near-infrared transmitting filter layer used in the structure and an optical sensor capable of detecting near-infrared light with good sensitivity. This structure 101 has a support 1, a partition wall 2 provided on the support 1, and a near-infrared transmitting filter layer 11 that shields visible light and transmits at least a portion of near-infrared light, provided in a region partitioned by the partition wall 2, in which the refractive index of the partition wall 2 is smaller than the refractive index of the near-infrared transmitting filter layer 11 at at least a portion of the wavelengths of the near-infrared light transmitted by the near-infrared transmitting filter layer 11.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: April 27, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazuya Oota, Masahiro Mori
  • 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