Patents by Inventor Hirotaka TAKISHITA

Hirotaka TAKISHITA 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
  • Patent number: 11698479
    Abstract: A structure includes: a near infrared transmitting filter that shields light in a visible range and allows transmission of at least a part of light in a near infrared range; and a member that is provided on an optical path of the near infrared transmitting filter on at least one of an incidence side into the near infrared transmitting filter or an emission side from the near infrared transmitting filter, allows transmission of light in a near infrared range, and has a refractive index of 1.7 or higher for the light in the near infrared range.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: July 11, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Hirotaka Takishita, Yutaro Fukami, Kyohei Arayama, Hiroaki Idei, Michihiro Ogawa, Yushi Kaneko, Shunsuke Kitajima
  • Patent number: 11656384
    Abstract: An object of the present invention is to provide a composition capable of forming a film having a high refractive index and excellent exterior characteristics. Another object of the present invention is to provide a film, a lens, and a solid-state imaging element in which the composition is used. Still another object of the present invention is to provide novel compounds. The composition according to an embodiment of the present invention contains a compound represented by General Formula (I), a solvent, and a resin, in which a solubility of the compound represented by General Formula (I) in the solvent is less than 0.5% by mass at 25° C., and a maximum absorption wavelength of the compound represented by General Formula (I) at a wavelength range of 300 to 800 nm is equal to or shorter than 450 nm.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 23, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Yushi Kaneko, Yoshinori Taguchi, Hirotaka Takishita, Masahiro Mori, Yasuhiro Sawamura
  • Publication number: 20230126240
    Abstract: A coloring composition includes at least one compound S selected from a compound S-1 represented by Formula (1) or a compound S-2 in which the compound S-1 is coordinated to a metal atom, a pigment, a resin P, and a solvent, in which the resin P includes at least one selected from a graft resin P-1 having a specific graft chain, a block copolymer P-2 including a specific structure, or a resin P-3 in which at least one terminal of a polymer chain including a specific structure is capped with an acid group.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 27, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yushi Kaneko, Takuya Tsuruta, Yuichi Yasuhara, Hirotaka Takishita
  • Publication number: 20230131561
    Abstract: A coloring composition includes at least one compound S selected from a compound S-1 represented by Formula (1) or a compound S-2 in which the compound S-1 is coordinated to a metal atom, a pigment, a resin, and a solvent
    Type: Application
    Filed: October 17, 2022
    Publication date: April 27, 2023
    Applicant: FUJIFILM CORPORATION
    Inventors: Yushi KANEKO, Takuya Tsuruta, Hirotaka Takishita
  • 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
  • Publication number: 20220390837
    Abstract: Provided are a coloring composition including a colorant including a yellow colorant, a resin, and a solvent, in which a content of the yellow colorant in the colorant is 30% by mass or more, and the yellow colorant includes 15% by mass or more of an azomethine metal complex; a film formed of the coloring composition; an optical filter; a solid-state imaging element; and an image display device.
    Type: Application
    Filed: August 3, 2022
    Publication date: December 8, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Hiroaki IDEI, Yoshinori TAGUCHI
  • 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: 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
  • Patent number: 11152413
    Abstract: A structure has a color filter having two or more different types of pixels and an absorption layer including at least one selected from a yellow colorant or a colorant having a maximum absorption wavelength in a wavelength range of 400 to 500 nm, in which the structure has the absorption layer on an optical path of at least one pixel of the pixels of the color filter and on the side through which light is incident on the pixel.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: October 19, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Hirotaka Takishita, Shoichi Nakamura, Hiroshi Taguchi
  • Patent number: 11043528
    Abstract: A composition includes a metal particle and a resin and has a wavelength band A having a wavelength band width of 1 ?m or more in a wavelength range of 1 to 14 ?m and a wavelength band B having a lower absorbance than the wavelength band A and having a wavelength band width of 1 ?m or more, and a ratio Amin/Bmax between a minimum value Amin of an absorbance of the wavelength band A and a maximum value Bmax of an absorbance of the wavelength band B is 3 or more.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: June 22, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Hirotaka Takishita, Yoichi Hosoya, Tokuju Oikawa, Hidenori Takahashi
  • Patent number: 10829641
    Abstract: Provided is a coloring composition with which a film capable of allowing transmission of infrared light in a state where noise generated from visible light is small can be formed. In addition, also provided are a film, a color filter, a pattern forming method, a method for manufacturing a color filter, a solid image pickup element, and an infrared sensor in which the coloring composition is used. The coloring composition includes a coloring material that shields light in a visible range; and an infrared absorber. It is preferable that the coloring material that shields light in the visible range includes two or more chromatic colorants and that a combination of the two or more chromatic colorants forms black. Alternatively, it is preferable that the coloring material that shields light in the visible range includes an organic black colorant. It is preferable that the organic black colorant is at least one selected from the group consisting of a perylene compound and a bisbenzofuranone compound.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: November 10, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Masahiro Mori, Kazuya Oota, Kazuto Shimada, Kyohei Arayama, Takuya Tsuruta, Hirotaka Takishita
  • Publication number: 20200263037
    Abstract: A coloring composition includes a metal azo pigment, a polymerizable compound, and a solvent, the metal azo pigment includes at least one kind of an anion selected from an azo compound represented by Formula (I) or an azo compound having a tautomeric structure of the azo compound represented by Formula (I), two or more kinds of metal ions, and a melamine compound, and in Formula (I), R1 and R2 each independently represent OH or NR5R6, R3 and R4 each independently represent ?O or ?NR7, and R5 to R7 each independently represent a hydrogen atom or an alkyl group.
    Type: Application
    Filed: March 31, 2020
    Publication date: August 20, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuya OTA, Naotsugu MURO, Haruki INABE
  • Publication number: 20200258798
    Abstract: The present invention provides a new device in which the influence of ?-ray is reduced, and a composition for forming an organic layer. The device of the present invention includes an ?-ray source, an electronic circuit influenced by ?-ray, and an organic layer including an ?-ray shielding agent, in which an ?-ray shielding ability X of the ?-ray shielding agent is 0.50 or less.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Tetsushi MIYATA, Hirotaka TAKISHITA, Hidekazu OHASHI, Mitsuru SAWANO
  • Publication number: 20200116896
    Abstract: An object of the present invention is to provide a composition capable of forming a film having a high refractive index and excellent exterior characteristics. Another object of the present invention is to provide a film, a lens, and a solid-state imaging element in which the composition is used. Still another object of the present invention is to provide novel compounds. The composition according to an embodiment of the present invention contains a compound represented by General Formula (I), a solvent, and a resin, in which a solubility of the compound represented by General Formula (I) in the solvent is less than 0.5% by mass at 25° C., and a maximum absorption wavelength of the compound represented by General Formula (I) at a wavelength range of 300 to 800 nm is equal to or shorter than 450 nm.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yushi Kaneko, Yoshinori Taguchi, Hirotaka Takishita, Masahiro Mori, Yasuhiro Sawamura
  • Publication number: 20200119071
    Abstract: A structure has a color filter having two or more different types of pixels and an absorption layer including at least one selected from a yellow colorant or a colorant having a maximum absorption wavelength in a wavelength range of 400 to 500 nm, in which the structure has the absorption layer on an optical path of at least one pixel of the pixels of the color filter and on the side through which light is incident on the pixel.
    Type: Application
    Filed: December 11, 2019
    Publication date: April 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka Takishita, Shoichi Nakamura, Hiroshi Taguchi
  • Publication number: 20200096864
    Abstract: A film in which a light transmittance when light is transmitted from one surface of the film to the other surface has a maximum value of 10% or lower in a wavelength range of 400 to 830 nm and has a minimum value of 70% or higher in a wavelength range of 1000 to 1300 nm.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 26, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Tetsuya KAMIMURA, Takuya TSURUTA, Kyouhei ARAYAMA, Kazuto SHIMADA, Masahiro MORI
  • Patent number: 10578966
    Abstract: A coloring composition includes colorants and a resin, in which a ratio A/B of a minimum value A of an absorbance in a wavelength range of 400 to 830 nm to a maximum value B of an absorbance in a wavelength range of 1000 to 1300 nm is 4.5 or higher.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: March 3, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Hirotaka Takishita, Tetsuya Kamimura, Takuya Tsuruta, Kyouhei Arayama, Kazuto Shimada, Masahiro Mori
  • Publication number: 20200004140
    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: Application
    Filed: September 12, 2019
    Publication date: January 2, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuya OOTA
  • Publication number: 20190332009
    Abstract: A coloring composition includes a pigment, a resin, and a curable compound, in which the pigment includes a red pigment, a yellow pigment, and an orange pigment, and a mass ratio of the yellow pigment to the red pigment and a mass ratio of the orange pigment to the red pigment in the coloring composition are yellow pigment/red pigment=1.0 to 2.0/1.0 and orange pigment/red pigment=0.9 to 2.0/1.0, respectively.
    Type: Application
    Filed: July 10, 2019
    Publication date: October 31, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuya OOTA