Patents by Inventor Mitsuhito Suwa

Mitsuhito Suwa 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).

  • Publication number: 20240132675
    Abstract: A polymer including, as the main chain, a metal-oxygen-metal bond including a structural unit represented by the following general formula (1): wherein M represents a metal atom selected from the group consisting of Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Zr, Nb, Mo, In, Sn, Sb, Hf, Ta, W, and Bi; R1 is selected from a hydrogen atom, a C1-C8 alkyl group, a C1-C8 alkylcarbonyl group, a C6-C12 aryl group, a C7-C13 aralkyl group, a (R53Si-group, a (R6R7N—) group, a 4-oxopent-2-en-2-yl group, a C5-C12 4-alkoxy-4-oxobuta-2-en-2-yl group, and a C10-C16 4-aryloxy-4-oxobuta-2-en-2-yl group; R2 and R3 are each independently a hydrogen atom or a C1-C8 alkyl group; R4 is a hydrogen atom, a C1-C8 alkyl group, or a C1-C8 alkylcarbonyl group; R5 is a hydroxy group, a C1-C8 alkyl group, a C5-C12 alicyclic alkyl group, a C1-C12 alkoxy group, a C6-C12 aryl group, a C7-C13 aralkyl group, or a group having a siloxane bond; a plurality of R5 may be the same or different; R6 and R7 are each independently a hydrogen
    Type: Application
    Filed: March 11, 2022
    Publication date: April 25, 2024
    Applicant: Toray Industries, Inc.
    Inventors: Masao Kamogawa, Mitsuhito Suwa, Yuki Shigemizu
  • Publication number: 20240002607
    Abstract: A polymetalloxane including structural units represented by formulae (1-1) and (1-2), and having a weight-average molecular weight of 30,000 or more and 2,000,000 or less; wherein, M1 and M2 independently represent different metal atoms; L1 and L2 are each independently a group selected from the group consisting of an allyloxy group, an aryloxy group, and a trialkylsiloxy group; L1 and L2 may be the same or different, and at least one thereof is an allyloxy group or an aryloxy group; R1 and R2 are each independently a hydrogen atom, a C1-12 alkyl group, or a group having a metalloxane bond; m is an integer that represents the valence of the metal atom M1, and a is an integer of 1 to (m?2); and n is an integer that represents the valence of the metal atom M2, and b is an integer of 1 to (n?2).
    Type: Application
    Filed: December 20, 2021
    Publication date: January 4, 2024
    Inventors: Jun Oura, Yohei Konoshima, Mitsuhito Suwa, Toru Okazawa
  • Patent number: 11795064
    Abstract: Disclosed is a polymetalloxane including a constituent unit represented by the following general formula (1), which stably exists in a transparent and uniform state in a solution and can form a homogeneous cured film: wherein R1 is an organic group and at least one of R1 is an (R33SiO—) group, R3 is optionally selected from specific groups, R2 is optionally selected from specific groups, when plural R1, R2, and R3 exist, they may be the same or different, M represents a specific metal atom, m is an integer indicating a valence of a metal atom M, and a is an integer of 1 to (m?2).
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: October 24, 2023
    Assignee: Toray Industries, Inc.
    Inventors: Masao Kamogawa, Mitsuhito Suwa, Hiroko Mitsui, Miki Nakamichi
  • Publication number: 20230331927
    Abstract: A composition including: (A) a polymetalloxane having a repeating structure of a metal atom selected from the group consisting of Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Zr, Nb, Mo, In, Sn, Sb, Hf, Ta, W, and Bi and an oxygen atom; and (B) an aromatic polyfunctional amine compound.
    Type: Application
    Filed: August 23, 2021
    Publication date: October 19, 2023
    Inventors: Yohei Konoshima, Jun Oura, Mitsuhito Suwa
  • Patent number: 11789363
    Abstract: The present invention provides a positive photosensitive resin composition having high light transmittance, high heat resistance, and excellent pattern processability. The present invention provides a positive photosensitive resin composition containing polysiloxane (A), a naphthoquinonediazide compound (B), and a solvent (C); in which the polysiloxane (A) has at least one structure selected from the following general formulae (1) to (3), and has at least one structure selected from the following general formulae (4) to (6); in which, in the general formulae (1) to (3), R4 represents a C2-C6 hydrocarbon group having an unsaturated double bond; R1 represents a single bond or a C1-C4 alkylene group; R2 in the general formula (2) represents a hydrogen atom or a C1-C4 alkyl group; and R3 in the general formula (3) represents an organic group; in which R2 in general formula (5) represents a hydrogen atom or a C1-C4 alkyl group; and R3 in the general formula (6) represents an organic group.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: October 17, 2023
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yoshinori Matoba, Toshiyasu Hibino, Mitsuhito Suwa
  • Publication number: 20230167252
    Abstract: The present invention provides a resin film that is less likely to suffer peeling or creasing of a layer formed on the resin film in a high temperature process for producing a device and that can be used suitably to produce a product that requires transparency, where the resin film comprises a resin that has a repeating unit as represented by the chemical formula (1) and has a light transmittance of 68% or more at a wavelength of 400 nm, a glass transition temperature of 370° C. or more, and a weight loss starting temperature of 440° C. or more, where in the chemical formula (1), A denotes a tetravalent tetracarboxylic acid residue containing 2 or more carbon atoms and B denotes a divalent diamine residue containing 2 or more carbon atoms.
    Type: Application
    Filed: March 22, 2021
    Publication date: June 1, 2023
    Applicant: Toray Industries, Inc.
    Inventors: Tomoki Ashibe, Daichi Miyazaki, Mitsuhito Suwa
  • Publication number: 20230142791
    Abstract: A method of producing an inorganic solid pattern is described that includes: a step of coating an inorganic solid with a composition containing a polymetalloxane and an organic solvent; a step of heating the coating film obtained in the coating step, at a temperature of 100° C. or more and 1000° C. or less to form a heat-treated film; a step of forming a pattern of the heat-treated film; and a step of patterning the inorganic solid by etching using the pattern of the heat-treated film as a mask.
    Type: Application
    Filed: March 15, 2021
    Publication date: May 11, 2023
    Applicant: Toray Industries, Inc.
    Inventors: Masao Kamogawa, Mitsuhito Suwa, Makoto Hayasaka
  • Publication number: 20220350244
    Abstract: A photosensitive resin composition includes a siloxane resin (A), particles (B) having a median diameter of 0.2 to 0.6 ?m, and a naphthoquinone diazide compound (C), wherein the siloxane resin (A) contains at least 20 to 60 mol % in total of a repeating unit represented by general formula (1): wherein R1 represents an aryl group having 6 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms in which all or part of hydrogen is substituted.
    Type: Application
    Filed: September 3, 2020
    Publication date: November 3, 2022
    Inventors: Hideyuki Kobayashi, Mitsuhito Suwa, Yukinori Togo
  • Patent number: 11422464
    Abstract: A photosensitive resin composition includes electrically conductive particles (A) whose surfaces are coated with a carbon simple substance and/or a carbon compound; an alkali-soluble resin (B) containing an acid-dissociation group; and a metal chelate compound (C) wherein the metal chelate compound (C) includes at least one selected from the group consisting of Au, Ag, Cu, Cr, Fe, Co, Ni, Bi, Pb, Zn, Pd, Pt, Al, Ti, Zr, W and Mo.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: August 23, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Yohei Konoshima, Mitsuhito Suwa, Yuka Yamashiki
  • Patent number: 11319445
    Abstract: Provided is a siloxane resin composition having excellent adhesion and fine patterning properties. The siloxane resin composition contains: a siloxane resin (A) including a structure represented by general formula (1), a structure represented by general formula (2), and a structure represented by general formula (3); a compound (B) having an unsaturated double bond; a photopolymerization initiator (C); and a solvent (D).
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: May 3, 2022
    Inventors: Eisuke Iizuka, Michiko Yamaguchi, Mitsuhito Suwa, Masao Kamogawa
  • Publication number: 20210371599
    Abstract: A polymetalloxane is described having a constituent unit represented by the following general formula (1): wherein R1, R2, R3, M a, b and m are as defined.
    Type: Application
    Filed: March 22, 2019
    Publication date: December 2, 2021
    Applicant: Toray Industries, Inc.
    Inventors: Masayuki Naruto, Mitsuhito Suwa, Masao Kamogawa
  • Publication number: 20210198416
    Abstract: A photosensitive resin composition contains (A) an ethylenically unsaturated group- and carboxyl group-containing photoreactive resin, (B) an epoxy compound, (C) a polyfunctional epoxy compound, and (D) a photopolymerization initiator.
    Type: Application
    Filed: December 16, 2016
    Publication date: July 1, 2021
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Mika Koshino, Miki Nakamichi, Mitsuhito Suwa
  • Publication number: 20210116812
    Abstract: The present invention provides a positive photosensitive resin composition having high light transmittance, high heat resistance, and excellent pattern processability. The present invention provides a positive photosensitive resin composition containing polysiloxane (A), a naphthoquinonediazide compound (B), and a solvent (C); in which the polysiloxane (A) has at least one structure selected from the following general formulae (1) to (3), and has at least one structure selected from the following general formulae (4) to (6); in which, in the general formulae (1) to (3), R4 represents a C2-C6 hydrocarbon group having an unsaturated double bond; R1 represents a single bond or a C1-C4 alkylene group; R2 in the general formula (2) represents a hydrogen atom or a C1-C4 alkyl group; and R3 in the general formula (3) represents an organic group; in which R2 in general formula (5) represents a hydrogen atom or a C1-C4 alkyl group; and R3 in the general formula (6) represents an organic group.
    Type: Application
    Filed: March 27, 2019
    Publication date: April 22, 2021
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Yoshinori MATOBA, Toshiyasu HIBINO, Mitsuhito SUWA
  • Publication number: 20210108339
    Abstract: A method of producing a metal oxide fiber is described, including a spinning step of spinning a composition containing a polymetalloxane and an organic solvent to obtain a thread-like product; and a firing step of firing the thread-like product obtained in the spinning step at a temperature of 200° C. or higher and 2,000° C. or lower to obtain a metal oxide fiber, where the polymetalloxane has a repeating structure composed of a metal atom selected from the group consisting of Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Zr, Nb, Mo, Pd, Ag, In, Sn, Sb, Hf, Ta, W and Bi, and an oxygen atom and where the weight average molecular weight of the polymetalloxane is 20,000 or more and 2,000,000 or less.
    Type: Application
    Filed: March 22, 2019
    Publication date: April 15, 2021
    Applicant: Toray Industries, Inc.
    Inventors: Masao Kamogawa, Mitsuhito Suwa, Masayuki Naruto
  • Publication number: 20210095124
    Abstract: Provided is a siloxane resin composition having excellent adhesion and fine patterning properties. The siloxane resin composition contains: a siloxane resin (A) including a structure represented by general formula (1), a structure represented by general formula (2), and a structure represented by general formula (3); a compound (B) having an unsaturated double bond; a photopolymerization initiator (C); and a solvent (D).
    Type: Application
    Filed: June 21, 2018
    Publication date: April 1, 2021
    Applicant: Toray Industries, Inc.
    Inventors: Eisuke Iizuka, Michiko Yamaguchi, Mitsuhito Suwa, Masao Kamogawa
  • Patent number: 10877607
    Abstract: The present invention is aimed at providing a laminated base material capable of conveniently attaining the enhancement in lightness of a decorating layer without requiring a thickened film thickness and an increased number of complicated steps. The present invention provides a laminated base material including a substrate (A), and a layer (B) and a layer (C) sequentially laminated on a surface of the substrate (A), wherein a refractive index nA of the substrate (A) and a refractive index nB of the layer (B) satisfy the relationship of 0.6?nA?nB?0.1, and the layer (C) contains a pigment.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: December 29, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Akihiro Ishikawa, Mitsuhito Suwa, Chika Hibino
  • Patent number: 10858509
    Abstract: Provided is a resin composition which contains a UV absorbent having high solubility in solvents, and imparts superior UV-cut performance and transparency, and good weather resistance, even when being formed as a thin film. The resin composition contains a UV absorbent (a) and a resin (b), wherein the UV absorbent (a) contains at least two compounds, i.e., a compound (a-1) having a global absorption maximum at less than 340 nm, and a compound (a-2) having a global absorption maximum at 340-380 nm, and the total content of (a-1) and (a-2) is 10-30 mass % of the total solid content.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: December 8, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Mika Koshino, Mitsuhito Suwa
  • Publication number: 20200379299
    Abstract: Provided is a substrate whereby diffusion of light toward a backlight can be suppressed and luminance of an image display device can be enhanced. A substrate having, on a transparent substrate, (a) a color conversion light-emitting layer and (b) a light diffusion prevention layer in this order from the transparent substrate side, the refractive index of the light diffusion prevention layer with respect to a wavelength of 550 nm being 1.20-1.35.
    Type: Application
    Filed: November 27, 2018
    Publication date: December 3, 2020
    Applicant: Toray Industries, Inc.
    Inventors: Toshiyasu Hibino, Mika Koshino, Masao Kamogawa, Mitsuhito Suwa
  • Patent number: 10788750
    Abstract: An object of the present invention is to provide a transparent photosensitive material that is usable as an interlayer insulating film for metal wires, is excellent in migration resistance and substrate adhesiveness under high temperature and high humidity conditions, and is satisfactory in patternability. The photosensitive resin composition of the present invention contains an acrylic polymer (A1) having, in a side chain thereof, a polymerizable group, a cardo based resin (A2) having a polymerizable group and an alkali-soluble group, and a photopolymerization initiator (B), and contents of the acrylic polymer (A1) and the cardo based resin (A2) satisfy a weight ratio of 1:10 to 10:1.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: September 29, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yohei Konoshima, Mitsuhito Suwa, Chika Hibino, Yuka Yamashiki
  • Publication number: 20190265592
    Abstract: A photosensitive resin composition includes electrically conductive particles (A) whose surfaces are coated with a carbon simple substance and/or a carbon compound; an alkali-soluble resin (B) containing an acid-dissociation group; and a metal chelate compound (C) wherein the metal chelate compound (C) includes at least one selected from the group consisting of Au, Ag, Cu, Cr, Fe, Co, Ni, Bi, Pb, Zn, Pd, Pt, Al, Ti, Zr, W and Mo.
    Type: Application
    Filed: July 6, 2017
    Publication date: August 29, 2019
    Inventors: Yohei Konoshima, Mitsuhito Suwa, Yuka Yamashiki