Patents by Inventor Hisamitsu Tomeba

Hisamitsu Tomeba 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: 11169439
    Abstract: Provided are a coloring composition capable of producing a film with suppressed occurrence of striation, and a method for producing a film. The coloring composition includes a coloring agent A, a resin B, a polymerizable compound C, a photopolymerization initiator D, and an organic solvent E, in which the organic solvent E includes an ester-based solvent E1 having a surface tension at 25° C. of from 25 mN/m to 35 mN/m, an organic solvent E2 having a surface tension at 25° C. of less than 25 mN/m, a ratio of a mass of the ester-based solvent E1 to the mass of the organic solvent E2 is 80:20 to 30:70 in terms of the ratio of the mass of the ester-based solvent E1:the mass of the organic solvent E2, and the organic solvent E contains 50% by mass or more of a combination of the ester-based solvent E1 and the organic solvent E2 with respect to the total mass of the organic solvent E.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: November 9, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Hisamitsu Tomeba, Kaoru Aoyagi
  • Patent number: 10975250
    Abstract: The invention relates to provide an infrared shielding composition that can form an infrared cut filter in which flat coating properties are excellent and the generation of a pattern on the surface is suppressed and that has excellent drying resistance, an infrared cut filter, and a solid-state imaging device. The infrared shielding composition according to the invention includes at least metal containing tungsten oxide particles; a resin binder; a solvent A of which a boiling point is 170° C. to 200° C. at 1 atm; and a solvent B different from the solvent A, in which a content of the solvent A is 0.1 to 20 mass % with respect to a total mass of the infrared shielding composition.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: April 13, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Hisamitsu Tomeba
  • Patent number: 10795260
    Abstract: An object of the present invention is to provide a curable composition satisfying both of excellent low reflectivity and excellent developability, a method for producing a cured film, an infrared color filter provided with a light-shielding film, and a solid-state imaging device. The curable composition of the present invention includes a fluorine-containing polymer including a repeating unit represented by Formula (A) and a repeating unit represented by Formula (B), a polymerizable compound, and a coloring agent. In Formula (A), R1 represents a hydrogen atom or an alkyl group, and L1 represents a divalent chained linking group having 3 or more carbon atoms in total, which may include an ester bond. In Formula (B), R2 represents a hydrogen atom or an alkyl group, L2 represents a single bond or a divalent linking group, and Rf represents a monovalent organic group including an fluorine atom.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: October 6, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Michihiro Ogawa, Hideki Takakuwa, Hisamitsu Tomeba
  • Patent number: 10761251
    Abstract: Provided are a resin film which exhibits an excellent low reflectivity, a coloring photosensitive composition capable of forming a resin film which exhibits an excellent low reflectivity, a resin film production method, a color filter, a light shielding film, a solid-state imaging element, and an image display device. The resin film of the present invention includes at least two or more resins, a coloring agent, and a photoacid generator, in which the resin film has a peak at which the value of A1/A2 is greater than 0.1 and 2.5 or less in a light scattering measurement of the resin film, in the case where a half-width of the peak is A1 and a scattering angle of a maximum light intensity of the peak is A2 in a spectrum in which a scattering angle is plotted on the horizontal axis and a scattered light intensity is plotted on the vertical axis.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: September 1, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Hisamitsu Tomeba, Makoto Kubota
  • Publication number: 20190113840
    Abstract: Provided are a coloring composition capable of producing a film with suppressed occurrence of striation, and a method for producing a film. The coloring composition includes a coloring agent A, a resin B, a polymerizable compound C, a photopolymerization initiator D, and an organic solvent E, in which the organic solvent E includes an ester-based solvent E1 having a surface tension at 25° C. of from 25 mN/m to 35 mN/m, an organic solvent E2 having a surface tension at 25° C. of less than 25 mN/m, a ratio of a mass of the ester-based solvent E1 to the mass of the organic solvent E2 is 80:20 to 30:70 in terms of the ratio of the mass of the ester-based solvent E1:the mass of the organic solvent E2, and the organic solvent E contains 50% by mass or more of a combination of the ester-based solvent E1 and the organic solvent E2 with respect to the total mass of the organic solvent E.
    Type: Application
    Filed: December 6, 2018
    Publication date: April 18, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hisamitsu TOMEBA, Kaoru AOYAGI
  • Patent number: 10133175
    Abstract: Provided are a photosensitive resin composition from which a cured product having a thin film thickness, excellent light-shielding properties, and a high surface hardness is obtained; as well as a cured product obtained by curing the photosensitive resin composition, a cured film and a method for producing the same, a method for producing a resin pattern, and a liquid crystal display device, an organic EL display device, an infrared cut filter, or a solid-state imaging device, each having the cured film. The photosensitive resin composition of the present invention includes (Component A) a polymer having a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group; (Component B) a photoacid generator; (Component C) a solvent; (Component D) a compound having a crosslinkable group and a molecular weight in the range of 100 to 2,000; and (Component S) titanium black.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: November 20, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Daisuke Kashiwagi, Takeshi Andou, Satoru Yamada, Yasumasa Kawabe, Hisamitsu Tomeba
  • Publication number: 20180196178
    Abstract: Provided are a resin film which exhibits an excellent low reflectivity, a coloring photosensitive composition capable of forming a resin film which exhibits an excellent low reflectivity, a resin film production method, a color filter, a light shielding film, a solid-state imaging element, and an image display device. The resin film of the present invention includes at least two or more resins, a coloring agent, and a photoacid generator, in which the resin film has a peak at which the value of A1/A2 is greater than 0.1 and 2.5 or less in a light scattering measurement of the resin film, in the case where a half-width of the peak is A1 and a scattering angle of a maximum light intensity of the peak is A2 in a spectrum in which a scattering angle is plotted on the horizontal axis and a scattered light intensity is plotted on the vertical axis.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 12, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hisamitsu Tomeba, Makoto Kubota
  • Publication number: 20180188650
    Abstract: An object of the present invention is to provide a curable composition satisfying both of excellent low reflectivity and excellent developability, a method for producing a cured film, an infrared color filter provided with a light-shielding film, and a solid-state imaging device. The curable composition of the present invention includes a fluorine-containing polymer including a repeating unit represented by Formula (A) and a repeating unit represented by Formula (B), a polymerizable compound, and a coloring agent. In Formula (A), R1 represents a hydrogen atom or an alkyl group, and L1 represents a divalent chained linking group having 3 or more carbon atoms in total, which may include an ester bond. In Formula (B), R2 represents a hydrogen atom or an alkyl group, L2 represents a single bond or a divalent linking group, and Rf represents a monovalent organic group including an fluorine atom.
    Type: Application
    Filed: February 27, 2018
    Publication date: July 5, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro OGAWA, Hideki TAKAKUWA, Hisamitsu TOMEBA
  • Patent number: 9818778
    Abstract: A solid-state image sensor includes a semiconductor substrate, photoelectric conversion elements arranged on a light receiving surface side of the semiconductor substrate and making up pixels, and a filter layer disposed on a light incidence side of the photoelectric conversion elements so as to correspond to the photoelectric conversion elements. The filter layer includes at least red color filters, green color filters, blue color filters and infrared cut-off filters. The infrared cut-off filters are each arranged next to at least one of the red color filters, the green color filters and the blue color filters. The solid-state image sensor suppresses occurrence of deterioration of the spectral characteristics of an adjacent color filter of any of three primary colors.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: November 14, 2017
    Assignee: FUJIFILM Corporation
    Inventor: Hisamitsu Tomeba
  • Publication number: 20170166762
    Abstract: The invention relates to provide an infrared shielding composition that can form an infrared cut filter in which flat coating properties are excellent and the generation of a pattern on the surface is suppressed and that has excellent drying resistance, an infrared cut filter, and a solid-state imaging device. The infrared shielding composition according to the invention includes at least metal containing tungsten oxide particles; a resin binder; a solvent A of which a boiling point is 170° C. to 200° C. at 1 atm; and a solvent B different from the solvent A, in which a content of the solvent A is 0.1 to 20 mass % with respect to a total mass of the infrared shielding composition.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Applicant: FUJIFILM Corporation
    Inventor: Hisamitsu TOMEBA
  • Patent number: 9599901
    Abstract: Provided is a photosensitive resin composition from which a cured product having thin film thickness, excellent light-shielding properties, and high surface hardness is obtained. A a cured film and a method for producing the same, a method for producing a resin pattern, and an LCD device, an organic EL display device, an infrared cut filter, or a solid-state imaging device are also provided. The photosensitive resin composition includes a polymer component including at least one of categories (1) or (2), a photoacid generator, a solvent, and titanium black, wherein (1) includes (a1) a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group, and (a2) a constitutional unit containing a crosslinkable group, and (2) includes (a1) a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group, and (a2) a constitutional unit containing a crosslinkable group.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: March 21, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Daisuke Kashiwagi, Takeshi Andou, Satoru Yamada, Yasumasa Kawabe, Hisamitsu Tomeba
  • Patent number: 9551928
    Abstract: According to one embodiment, An actinic-ray- or radiation-sensitive resin composition comprises a basic compound (C) having n basic groups and m groups that when exposed to actinic rays or radiation, generate an acid, provided that n and m satisfy the relationships n?1, m?2 and n<m.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: January 24, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Shuhei Yamaguchi, Hisamitsu Tomeba, Mitsuhiro Fujita
  • Publication number: 20160327865
    Abstract: Provided is a photosensitive resin composition from which a cured product having thin film thickness, excellent light-shielding properties, and high surface hardness is obtained. A a cured film and a method for producing the same, a method for producing a resin pattern, and an LCD device, an organic EL display device, an infrared cut filter, or a solid-state imaging device are also provided. The photosensitive resin composition includes a polymer component including at least one of categories (1) or (2), a photoacid generator, a solvent, and titanium black, wherein (1) includes (a1) a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group, and (a2) a constitutional unit containing a crosslinkable group, and (2) includes (a1) a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group, and (a2) a constitutional unit containing a crosslinkable group.
    Type: Application
    Filed: July 18, 2016
    Publication date: November 10, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke KASHIWAGI, Takeshi ANDOU, Satoru YAMADA, Yasumasa KAWABE, Hisamitsu TOMEBA
  • Publication number: 20160320529
    Abstract: Provided are a photosensitive resin composition from which a cured product having a thin film thickness, excellent light-shielding properties, and a high surface hardness is obtained; as well as a cured product obtained by curing the photosensitive resin composition, a cured film and a method for producing the same, a method for producing a resin pattern, and a liquid crystal display device, an organic EL display device, an infrared cut filter, or a solid-state imaging device, each having the cured film. The photosensitive resin composition of the present invention includes (Component A) a polymer having a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group; (Component B) a photoacid generator; (Component C) a solvent; (Component D) a compound having a crosslinkable group and a molecular weight in the range of 100 to 2,000; and (Component S) titanium black.
    Type: Application
    Filed: July 14, 2016
    Publication date: November 3, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke KASHIWAGI, Takeshi ANDOU, Satoru YAMADA, Yasumasa KAWABE, Hisamitsu TOMEBA
  • Publication number: 20150372037
    Abstract: A solid-state image sensor includes a semiconductor substrate, photoelectric conversion elements arranged on a light receiving surface side of the semiconductor substrate and making up pixels, and a filter layer disposed on a light incidence side of the photoelectric conversion elements so as to correspond to the photoelectric conversion elements. The filter layer includes at least red color filters, green color filters, blue color filters and infrared cut-off filters. The infrared cut-off filters are each arranged next to at least one of the red color filters, the green color filters and the blue color filters. The solid-state image sensor suppresses occurrence of deterioration of the spectral characteristics of an adjacent color filter of any of three primary colors.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 24, 2015
    Applicant: FUJIFILM CORPORATION
    Inventor: Hisamitsu TOMEBA
  • Patent number: 9152049
    Abstract: According to one embodiment, an actinic-ray- or radiation-sensitive resin composition includes any of the compounds of general formula (I) below, a compound that when exposed to actinic rays or radiation, generates an acid and a hydrophobic resin. (The characters used in general formula (I) have the meanings mentioned in the description.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: October 6, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Shohei Kataoka, Akinori Shibuya, Shuhei Yamaguchi, Hisamitsu Tomeba
  • Publication number: 20140332713
    Abstract: An etching method having the step of: applying an etching liquid to a substrate, the etching liquid containing: a fluorine ion, a nitrogen-containing compound having at least 2 of nitrogen-containing structural units, and water, the etching liquid having a pH of being adjusted to 5 or less; and etching a titanium compound in the substrate.
    Type: Application
    Filed: July 22, 2014
    Publication date: November 13, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Atsushi MIZUTANI, Hisamitsu TOMEBA, Kazutaka TAKAHASHI, Tadashi INABA
  • Patent number: 8753801
    Abstract: A photosensitive composition contains (A) a hollow or porous particle, (B) a compound capable of generating an active species upon irradiation with an actinic ray or radiation, and (C) a compound capable of changing in the solubility for an alkali developer by the action of the active species.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: June 17, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Toshiyuki Saie, Kenji Wada, Masaomi Makino, Hisamitsu Tomeba, Mitsuji Yoshibayashi
  • Patent number: 8715903
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition comprising (A) a fluorine-containing compound capable of generating an acid upon irradiation with an actinic ray or radiation, wherein the acid has a polarity converting group, and the fluorine content of the fluorine-containing compound (A) is 20% or more based on the molecular weight of the fluorine-containing compound (A).
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: May 6, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Hisamitsu Tomeba, Akinori Shibuya
  • Publication number: 20120156617
    Abstract: According to one embodiment, an actinic-ray- or radiation-sensitive resin composition includes any of the compounds of general formula (I) below, a compound that when exposed to actinic rays or radiation, generates an acid and a hydrophobic resin. (The characters used in general formula (I) have the meanings mentioned in the description.
    Type: Application
    Filed: August 27, 2010
    Publication date: June 21, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Shohei Kataoka, Akinori Shibuya, Shuhei Yamaguchi, Hisamitsu Tomeba