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: 20160225942
    Abstract: A substrate having a desired pattern on a plane thereof and a method for manufacturing same, a light-emitting element and a method for manufacturing same, and a device having the substrate or the light-emitting element are provided which allow the pattern to be formed without any photoresist film, enabling a reduction in the number of steps and a reduction in costs associated with the reduction in the number of steps. A flat substrate is prepared, a dielectric containing a photosensitive agent is formed on a plane of the substrate, the dielectric is patterned to form a desired pattern on the substrate plane, thus, a substrate is obtained which has a pattern of island-shaped protrusions on the plane of the flat substrate and in which the protrusions are configured of the dielectric.
    Type: Application
    Filed: August 25, 2014
    Publication date: August 4, 2016
    Applicants: NAMIKI SEIMITSU HOUSEKI KABUSHIKIKAISHA, TORAY INDUSTRIES, INC.
    Inventors: Natsuko Aota, Hideo Aida, Yutaka Kimura, Mitsuhito Suwa, Masao Kamogawa
  • Publication number: 20160161847
    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: Application
    Filed: July 18, 2014
    Publication date: June 9, 2016
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi Araki, Mitsuhito Suwa, Hiroko Mitsui, Toru Okazawa
  • Publication number: 20150378258
    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: Application
    Filed: February 7, 2014
    Publication date: December 31, 2015
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi ARAKI, Mitsuhito SUWA, Toru OKAZAWA, Yoshihiko INOUE, Akihiro ISHIKAWA, Akinori SAEKI
  • Publication number: 20150370358
    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 ?m to 0.4 ?m and a refractive index of from 1.58 to 1.85; and a silicon oxide thin layer (III) having a film thickness of from 0.01 to 10 ?m.
    Type: Application
    Filed: January 16, 2014
    Publication date: December 24, 2015
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi Araki, Mitsuhito Suwa
  • Publication number: 20150366055
    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: Application
    Filed: January 16, 2014
    Publication date: December 17, 2015
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi Araki, Mitsuhito Suwa
  • Publication number: 20150125680
    Abstract: The present invention provides a substrate comprising a region where thin films are laminated on a transparent ground substrate, which thin films are, in the order mentioned from the upper surface of the substrate, an ITO thin film (I); an organic thin film (II) having a film thickness of from 0.01 ?m to 0.4 ?m and a refractive index of from 1.58 to 1.85; and an organic thin film (III) having a film thickness of from 0.7 ?m to 20 ?m and a refractive index of from 1.46 to 1.56.
    Type: Application
    Filed: May 8, 2013
    Publication date: May 7, 2015
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hitoshi Araki, Mitsuhito Suwa, Toru Okazawa
  • Patent number: 8901225
    Abstract: A photosensitive resin composition which can impart insulating properties and light-shielding properties against light having a wavelength lying in an ultra-violet range, a visible range and a near-infrared range to a substrate more readily when applied onto the substrate, wherein the substrate has such properties that the permeability to light having a wavelength of 400 to 900 nm inclusive is less than 3.0% and the maximum value of the permeability to light having a wavelength of longer than 900 nm and not longer than 1300 nm is 3.0% or more. The photosensitive resin composition is characterized by comprising (a) an alkali soluble resin, (b) a specific tungsten oxide and/or a specific composite tungsten oxide, (c) a photopolymerizable compound having at least two polymerizable groups, (d) an oxime-type photopolymerization initiator, and (e) a solvent.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: December 2, 2014
    Assignee: Toray Industries, Inc.
    Inventors: Yumiko Okuda, Toru Okazawa, Masao Kamogawa, Mitsuhito Suwa
  • Patent number: 8828642
    Abstract: Disclosed is a positive photosensitive resin composition which is characterized by containing (a) a polysiloxane that is synthesized by hydrolyzing and partially condensing a specific organosilane and an organosilane oligomer, (b) aluminum compound particles, tin compound particles, titanium compound particles, zirconium compound particles, composite particles of the aforementioned compounds or composite particles of any of the aforementioned compounds and a silicon compound, (c) a naphthoquinonediazide compound and (d) a solvent. The positive photosensitive resin composition is also characterized in that the organosilane oligomer contains a specific organosilane. The positive photosensitive resin composition has achieved excellent sensitivity and resolution without deteriorating high refractive index and high transparency.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: September 9, 2014
    Assignee: Toray Industries, Inc.
    Inventors: Masao Kamogawa, Toru Okazawa, Mitsuhito Suwa
  • Publication number: 20140242787
    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: Application
    Filed: December 21, 2012
    Publication date: August 28, 2014
    Applicant: TORAY Industries, Inc.
    Inventors: Takenori Fujiwara, Yugo Tanigaki, Mitsuhito Suwa
  • Patent number: 8492450
    Abstract: A siloxane resin composition is provided which is superior in pattern processability and yields a cured film with high hardness and excellent abrasion resistance by means of UV curing and thermal curing. The siloxane resin composition includes (A) polysiloxane having a carboxyl group and a radical polymerizable group, (B) a photo-radical polymerization initiator and (C) a compound having a radical polymerizable group and not having a Si—O—Si bond.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: July 23, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Hitoshi Araki, Mitsuhito Suwa
  • Patent number: 8389649
    Abstract: The present invention is a siloxane-based resin composition including a siloxane-based resin and an imidosilane compound having a specific structure. Moreover, the present invention is a siloxane-based resin composition including a siloxane-based resin which is a reactive product to be obtained by hydrolyzing an alkoxysilane compound and an imidosilane compound having a specific structure and then making the resulting hydrolysate undergo a condensation reaction. According to the present invention, it is possible to form a cured film excellent in adhesion.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: March 5, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Mitsuhito Suwa, Hirokazu Iimori
  • Patent number: 8338510
    Abstract: Various embodiments provide a photosensitive siloxane composition containing (a) polysiloxane, (b) a quinone diazide compound, (c) a solvent, and (d) one or more kinds of specified imidosilane compounds. Various embodiments also provide a cured film obtained by applying and/or patterning the photosensitive siloxane composition. Various embodiments further provide a device including the cured film.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: December 25, 2012
    Assignee: Toray Industries, Inc.
    Inventor: Mitsuhito Suwa
  • Publication number: 20120244473
    Abstract: A photosensitive resin composition which can impart insulating properties and light-shielding properties against light having a wavelength lying in an ultra-violet range, a visible range and a near-infrared range to a substrate more readily when applied onto the substrate, wherein the substrate has such properties that the permeability to light having a wavelength of 400 to 900 nm inclusive is less than 3.0% and the maximum value of the permeability to light having a wavelength of longer than 900 nm and not longer than 1300 nm is 3.0% or more. The photosensitive resin composition is characterized by comprising (a) an alkali soluble resin, (b) a specific tungsten oxide and/or a specific composite tungsten oxide, (c) a photopolymerizable compound having at least two polymerizable groups, (d) an oxime-type photopolymerization initiator, and (e) a solvent.
    Type: Application
    Filed: October 26, 2010
    Publication date: September 27, 2012
    Inventors: Yumiko Okuda, Toru Okazawa, Masao Kamogawa, Mitsuhito Suwa
  • Publication number: 20120237873
    Abstract: Disclosed is a positive photosensitive resin composition which contains a polisiloxane, a naphthoquinone diazide compound, and a solvent. The positive photosensitive resin composition is characterized in that the polysiloxane has: an organosilane-derived structure represented by the general formula (1): at a content ration of 20-80% inclusive of Si relative to the overall number of moles of Si atoms in the polysiloxane; and an organosilane-derived structure represented by general formula (2): The positive photosensitive resin composition exhibits high heat resistance, high transparency, and enables high sensitivity, high resolution patterning. The positive photosensitive resin composition can be used to form cured films such as planarization films used in TFT substrates, interlayer insulating films, core materials and cladding materials, and can be used in elements having cured films such as display elements, semiconductor elements, solid-state imaging elements, and optical waveguide elements.
    Type: Application
    Filed: December 20, 2010
    Publication date: September 20, 2012
    Applicant: TORAY INDUSTRIES INC.
    Inventors: Takenori Fujiwara, Keiichi Uchida, Yugo Tanigaki, Mitsuhito Suwa
  • Publication number: 20120178022
    Abstract: Disclosed is a positive photosensitive resin composition which is characterized by containing (a) a polysiloxane that is synthesized by hydrolyzing and partially condensing a specific organosilane and an organosilane oligomer, (b) aluminum compound particles, tin compound particles, titanium compound particles, zirconium compound particles, composite particles of the aforementioned compounds or composite particles of any of the aforementioned compounds and a silicon compound, (c) a naphthoquinonediazide compound and (d) a solvent. The positive photosensitive resin composition is also characterized in that the organosilane oligomer contains a specific organosilane. The positive photosensitive resin composition has achieved excellent sensitivity and resolution without deteriorating high refractive index and high transparency.
    Type: Application
    Filed: September 16, 2010
    Publication date: July 12, 2012
    Inventors: Masao Kamogawa, Toru Okazawa, Mitsuhito Suwa
  • Publication number: 20110230584
    Abstract: A siloxane resin composition is provided which is superior in pattern processability and yields a cured film with high hardness and excellent abrasion resistance by means of UV curing and thermal curing. The siloxane resin composition includes (A) polysiloxane having a carboxyl group and a radical polymerizable group, (B) a photo-radical polymerization initiator and (C) a compound having a radical polymerizable group and not having a Si—O—Si bond.
    Type: Application
    Filed: November 16, 2009
    Publication date: September 22, 2011
    Inventors: Hitoshi Araki, Mitsuhito Suwa
  • Patent number: 7977400
    Abstract: Using a photosensitive resin composition comprising a polyimide (a) having, at the end of the main chain, at least one group selected from the group consisting of a carboxyl group, a phenolic hydroxyl group, a sulfonic acid group and a thiol group, an unsaturated bond-containing polymerizable compound (b1) represented by the general formula (1), and a photopolymerization initiator (c), it is possible to conduct alkaline development and to form a polyimide film having excellent heat resistance, strength and elongation.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: July 12, 2011
    Assignee: Toray Industries, Inc.
    Inventors: Ryuichiro Taniguchi, Hiroko Mitsui, Mitsuhito Suwa
  • Publication number: 20100316953
    Abstract: The present invention is a siloxane-based resin composition including a siloxane-based resin and an imidosilane compound having a specific structure. Moreover, the present invention is a siloxane-based resin composition including a siloxane-based resin which is a reactive product to be obtained by hydrolyzing an alkoxysilane compound and an imidosilane compound having a specific structure and then making the resulting hydrolysate undergo a condensation reaction. According to the present invention, it is possible to form a cured film excellent in adhesion.
    Type: Application
    Filed: May 27, 2008
    Publication date: December 16, 2010
    Inventors: Mitsuhito Suwa, Hirokazu Iimori
  • Publication number: 20100129618
    Abstract: It is intended to provide a photosensitive siloxane composition comprising (a) polysiloxane, (b) a quinone diazide compound, (c) a solvent and (d) one or more kinds of imidosilane compounds represented by the general formulas (1) to (3): which makes it possible to provide a cured film having low shrinkage during curing and high transparency after thermal curing, suppressing the occurrence of cracks after dipping in an alkaline solvent and exhibiting excellent adhesiveness to a substrate, wherein R1s may be the same or different and each represents an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a phenyl group, a phenoxy group or an organic group replaced with them, R2 and R4 represent each a divalent organic group having 1 to 10 carbon atoms, R3 represents an organic group not containing a silicon atom and having 2 to 20 carbon atoms (provided that R3 represents an organic group other than a phenyl group in the general formula (1) and represents an organic group not
    Type: Application
    Filed: November 21, 2007
    Publication date: May 27, 2010
    Applicant: TORAY INDUSTRIES, INC.
    Inventor: Mitsuhito Suwa
  • Publication number: 20090105360
    Abstract: A siloxane resin composition comprising a siloxane compound and 1-t-butoxy-2-propanol is provided as a siloxane resin composition capable of being applied onto a substrate with a level difference and good in the capability to cover the level difference of the substrate.
    Type: Application
    Filed: October 5, 2006
    Publication date: April 23, 2009
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hiroyuki Niwa, Hiroshi Hosono, Mitsuhito Suwa