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).

  • Patent number: 10316146
    Abstract: A resin composition which includes (a) a solvent, (b) silica particles, (c) a polysiloxane, and (d) a secondary or tertiary amine compound, wherein the solvent (a) includes an organic acid. From the resin composition, an even film is easily formed even on bases having protrusions and recesses, such as lens shapes. The resin composition has satisfactory storage stability.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: June 11, 2019
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Toshiyasu Hibino, Manami Fujii, Mitsuhito Suwa
  • Publication number: 20190136034
    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: Application
    Filed: May 18, 2017
    Publication date: May 9, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Mika Koshino, Mitsuhito Suwa
  • Publication number: 20190101828
    Abstract: A resin composition including a polysiloxane (A) and a solvent (B), wherein the polysiloxane (A) contains at least one partial structure represented by any of the general formulae (1) to (3), and the relationship between the film thickness X and the film thickness Y, which respectively represent the thickness of a film produced by application of the resin composition and subsequent drying at 100° C. for 3 minutes and the thickness of the film after subsequent heating at 230° C. for 5 minutes, satisfies the following inequation: (X?Y)/x?0.05. The resin composition exhibits excellent coating properties on rugged surface and has excellent planarization properties even if the resin composition is in a form of thin film. (R1 represents a single bond or a C1-4 alkyl group; R2 represents a C1-4 alkyl group; and R3 represents an organic group.
    Type: Application
    Filed: April 17, 2017
    Publication date: April 4, 2019
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Toshiyasu HIBINO, Yoshinori MATOBA, Mitsuhito SUWA
  • Publication number: 20190049840
    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: Application
    Filed: March 9, 2017
    Publication date: February 14, 2019
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Yohei KONOSHIMA, Mitsuhito SUWA, Chika HIBINO, Yuka YAMASHIKI
  • Publication number: 20180327275
    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: Application
    Filed: November 17, 2016
    Publication date: November 15, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Masao Kamogawa, Mitsuhito Suwa, Hiroko Mitsui, Miki Nakamichi
  • Publication number: 20180264778
    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: Application
    Filed: January 12, 2016
    Publication date: September 20, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Akihiro Ishikawa, Mitsuhito Suwa, Chika Hibino
  • Patent number: 10001704
    Abstract: A photosensitive resin composition can achieve both resolution of a fine pattern and conductivity after a heat treatment. The photosensitive resin composition includes: (A) conductive fine particles whose surfaces are coated with an elemental carbon and/or a carbon compound, and (B) an alkali-soluble resin having an acid dissociating group.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 19, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Mitsuhito Suwa, Yuka Yamashiki
  • Patent number: 9989852
    Abstract: A positive photosensitive resin composition including: a polysiloxane synthesized by hydrolyzing and partially condensing a specific organosilane and an organosilane that has a carboxyl group and/or a dicarboxylic acid anhydride structure; particles of one or more metal compounds selected from an aluminum compound, a tin compound, a titanium compound, and a zirconium compound, or composite particles of a silicon compound and one or more metal compounds selected from an aluminum compound, a tin compound, a titanium compound, and a zirconium compound; a naphthoquinone diazide compound; and a solvent.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: June 5, 2018
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Keiichi Uchida, Masao Kamogawa, Mitsuhito Suwa, Chika Taniguchi
  • Patent number: 9977329
    Abstract: The present invention provides a negative photosensitive resin composition including the following (a) to (d): (a) metallic compound particles, (b) a polysiloxane compound, (c) a compound having at least 1 group containing an ?,?-unsaturated carboxylate ester structure, and (d) a photopolymerization initiator, the composition also including (e) a compound containing maleimide group.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: May 22, 2018
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Hirokazu Iimori, Toshiyasu Hibino, Mitsuhito Suwa
  • Publication number: 20180016399
    Abstract: A resin composition which includes (a) a solvent, (b) silica particles, (c) a polysiloxane, and (d) a secondary or tertiary amine compound, wherein the solvent (a) includes an organic acid. From the resin composition, an even film is easily formed even on bases having protrusions and recesses, such as lens shapes. The resin composition has satisfactory storage stability.
    Type: Application
    Filed: January 20, 2016
    Publication date: January 18, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Toshiyasu Hibino, Manami Fujii, Mitsuhito Suwa
  • Patent number: 9788420
    Abstract: The present invention aims to provide a substrate having an ITO with a low ITO pattern visibility, which substrate is formed by a method utilizing a simple technique such as coating, printing or the like, and which method is less burdensome from the viewpoints of cost and process; and to provide a touch panel member using the substrate. The present invention provides a substrate including a region where thin layers are laminated on a transparent ground substrate, which thin layers are, in the order mentioned from the upper surface of the substrate: an ITO (Indium Tin Oxide) thin layer (I); an organic thin layer (II) having a film thickness of from 0.01 to 0.4 ?m and a refractive index of from 1.58 to 1.85; and a transparent adhesive thin layer (III) having a refractive index of from 1.46 to 1.52.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: October 10, 2017
    Assignee: Toray Industries, Inc.
    Inventors: Hitoshi Araki, Mitsuhito Suwa
  • Patent number: 9704724
    Abstract: Disclosed is a photosensitive resin composition which exhibits positive or negative photosensitivity and is used as a mask in an ion implantation step, the photosensitive resin composition including, as a resin, (A) a polysiloxane. The photosensitive resin composition of the present invention has high heat resistance and is capable of controlling a pattern shape, and also has excellent ion implantation mask performance, thus enabling application to a low-cost high-temperature ion implantation process.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 11, 2017
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Takenori Fujiwara, Yugo Tanigaki, Mitsuhito Suwa
  • Patent number: 9691935
    Abstract: An impurity-diffusing composition including (A) a polysiloxane represented by Formula (1) and (B) an impurity diffusion component. In the formula, R1 represents an aryl group having 6 to 15 carbon atoms, and a plurality of R1 may be the same or different. R2 represents any of a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an acyl group having 2 to 6 carbon atoms, and an aryl group having 6 to 15 carbon atoms, and a plurality of R2 may be the same or different. R3 and R4 each represent any of a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, and an acyl group having 2 to 6 carbon atoms, and a plurality of R3 and a plurality of R4 each may be the same or different. The ratio of n:m is 95:5 to 25:75.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: June 27, 2017
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Sachio Inaba, Seiichiro Murase, Hiroji Shimizu, Kouichi Dan, Mitsuhito Suwa
  • Patent number: 9690197
    Abstract: The present invention provides a negative-type photosensitive white composition for a touch panel, the composition including: (A) a white pigment; (B) an alkali-soluble resin; (C) a polyfunctional monomer; and (D) a photopolymerization initiator.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: June 27, 2017
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi Araki, Mitsuhito Suwa, Hiroko Mitsui, Toru Okazawa
  • Patent number: 9651865
    Abstract: The purpose of the present invention is to provide a negative-type photosensitive coloring composition ideal for forming a white, light-blocking pattern and which not only has excellent chemical resistance, but also has extremely excellent heat resistance and does not yellow or crack even when undergoing high-temperature processing. This negative-type photosensitive coloring composition contains (A) a white pigment, (B) a polysiloxane obtained by co-hydrolyzate condensation of an alkoxysilane compound containing a compound of a specific structure, (C) polyfunctional acrylic monomers, (D) a photoradical polymerization initiator and (E) an organic solvent.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: May 16, 2017
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi Araki, Mitsuhito Suwa, Toru Okazawa, Yoshihiko Inoue, Akihiro Ishikawa, Akinori Saeki
  • Publication number: 20170038682
    Abstract: A photosensitive resin composition can achieve both resolution of a fine pattern and conductivity after a heat treatment. The photosensitive resin composition includes: (A) conductive fine particles whose surfaces are coated with an elemental carbon and/or a carbon compound, and (B) an alkali-soluble resin having an acid dissociating group.
    Type: Application
    Filed: March 24, 2015
    Publication date: February 9, 2017
    Inventors: Mitsuhito Suwa, Yuka Yamashiki
  • Publication number: 20170010532
    Abstract: The present invention provides a negative photosensitive resin composition including the following (a) to (d): (a) metallic compound particles, (b) a polysiloxane compound, (c) a compound having at least 1 group containing an ?,?-unsaturated carboxylate ester structure, and (d) a photopolymerization initiator, the composition also including (e) a compound containing maleimide group.
    Type: Application
    Filed: January 21, 2015
    Publication date: January 12, 2017
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hirokazu Iimori, Toshiyasu Hibino, Mitsuhito Suwa
  • Publication number: 20160370703
    Abstract: A positive photosensitive resin composition including: a polysiloxane synthesised by hydrolysing and partially condensing a specific organosilane and an organosilane that has a carboxyl group and/or a dicarboxylic acid anhydride structure; particles of one or more metal compounds selected from an aluminium compound, a tin compound, a titanium compound, and a zirconium compound, or composite particles of a silicon compound and one or more metal compounds selected from an aluminium compound, a tin compound, a titanium compound, and a zirconium compound; a naphthoquinone diazide compound; and a solvent.
    Type: Application
    Filed: July 1, 2014
    Publication date: December 22, 2016
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Keiichi Uchida, Masao Kamogawa, Mitsuhito Suwa, Chika Taniguchi
  • Publication number: 20160372626
    Abstract: An impurity-diffusing composition including (A) a polysiloxane represented by Formula (1) and (B) an impurity diffusion component. In the formula, R1 represents an aryl group having 6 to 15 carbon atoms, and a plurality of R1 may be the same or different. R2 represents any of a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an acyl group having 2 to 6 carbon atoms, and an aryl group having 6 to 15 carbon atoms, and a plurality of R2 may be the same or different. R3 and R4 each represent any of a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, and an acyl group having 2 to 6 carbon atoms, and a plurality of R3 and a plurality of R4 each may be the same or different. The ratio of n:m is 95:5 to 25:75.
    Type: Application
    Filed: June 30, 2014
    Publication date: December 22, 2016
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Sachio Inaba, Seiichiro Murase, Hiroji Shimizu, Kouichi Dan, Mitsuhito Suwa
  • Patent number: 9510444
    Abstract: The present invention aims to provide a substrate having an ITO with a low ITO pattern visibility, which substrate is formed by a method utilizing a simple technique such as coating, printing or the like, and which method is less burdensome from the viewpoints of cost and process; and to provide a touch panel member using the substrate. The present invention provides a substrate including a region where thin layers are laminated on a transparent ground substrate, which thin layers are, in the order mentioned from the upper surface of the substrate: an ITO (Indium Tin Oxide) thin layer (I); an organic thin layer (II) having a film thickness of from 0.01 to 0.4 ?m and a refractive index of from 1.58 to 1.85; and a transparent adhesive thin layer (III) having a refractive index of from 1.46 to 1.52.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: November 29, 2016
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi Araki, Mitsuhito Suwa