Patents by Inventor Takahiro Kishioka

Takahiro Kishioka 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: 20170044491
    Abstract: A composition for producing a fiber, containing (A) a polymer compound containing a unit structure represented by the formula (1) and a unit structure represented by the formula (2), (B) a crosslinking agent, (C) an acid compound, and (D) a solvent wherein each symbol in the formulas (1) and (2) is as described in the DESCRIPTION.
    Type: Application
    Filed: February 13, 2015
    Publication date: February 16, 2017
    Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Makiko UMEZAKI, Takahiro KISHIOKA, Taito NISHINO, Ayako OTANI, Kenichiro KAMEI, Li LIU, Yong CHEN
  • Publication number: 20170038687
    Abstract: A resist underlayer film-forming composition containing a copolymer having a structural unit of Formula (1) and a structural unit of Formula (2), a cross-linkable compound, a cross-linking catalyst, and a solvent. wherein A is a divalent organic group containing a triazine ring, X1 is an —S— group or an —O— group, Q is a linear, branched, or cyclic hydrocarbon group having a carbon atom number of 1 to 15, the hydrocarbon group may have at least one sulfur atom or oxygen atom in a main chain and at least one hydroxy group as a substituent, n is 0 or 1, R1 and R2 are each independently a C1-3 alkylene group or a single bond, Z is a divalent group having at least one sulfur atom or oxygen atom, and when X1 is an —O— group, Z is a divalent group having at least one sulfur atom.
    Type: Application
    Filed: December 10, 2014
    Publication date: February 9, 2017
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroto OGATA, Takahiro KISHIOKA, Yoshiomi HIROI, Tomoya OHASHI, Yuki USUI
  • Patent number: 9524871
    Abstract: A composition for forming a resist underlayer film for lithography, including: as a silane, a hydrolyzable organosilane, a hydrolysate of the hydrolyzable organosilane, or a hydrolysis-condensation product of the hydrolyzable organosilane, wherein the hydrolyzable organosilane is a compound of Formula (1): [(R1)aSi(R2)(3?a)]b(R3)??Formula (1) [in Formula (1), R3 is an organic group having a sulfonyl group and a light-absorbing group and is bonded to a Si atom through a Si—C bond; R1 is an alkyl, aryl, aralkyl, halogenated alkyl, halogenated aryl, halogenated aralkyl, alkenyl, an organic group having an epoxy, acryloyl, methacryloyl, mercapto, alkoxyaryl, acyloxyaryl, isocyanurate, hydroxy, cyclic amino, or a cyano group, or a combination of any of these groups and is bonded to a Si atom through a Si—C bond; R2 is an alkoxy group, an acyloxy group, or a halogen group; a is an integer of 0 to 2; and b is an integer of 1 to 3].
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: December 20, 2016
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makoto Nakajima, Daisuke Sakuma, Yuta Kanno, Takahiro Kishioka
  • Publication number: 20160305044
    Abstract: The invention provides a fiber which is superior in safety, can be conveniently produced, and has organic solvent resistance, as well as a starting material composition for producing the fiber and a biocompatible material containing the fiber. The fiber is produced by spinning a composition containing (A) a condensation product obtained by condensing one or more kinds of a compound represented by the formula (1), and (B) an acid compound: wherein each symbol is as defined herein.
    Type: Application
    Filed: December 19, 2014
    Publication date: October 20, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro KISHIOKA, Makiko UMEZAKI, Ayako OTANI
  • Publication number: 20160266492
    Abstract: The invention provides a fiber containing (A) a polymer compound containing a structural unit having, in a side chain, at least one kind of organic group selected from a hydroxy group, a hydroxymethyl group and an alkoxymethyl group having 1-5 carbon atoms, and (B) a photoacid generator.
    Type: Application
    Filed: October 17, 2014
    Publication date: September 15, 2016
    Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., TOYAMA PREFECTURE
    Inventors: Takahiro KISHIOKA, Yoshiyuki YOKOYAMA
  • Patent number: 9436085
    Abstract: A composition for forming a resist underlayer film to be used in a lithography process, that includes: a polymer containing unit structures of Formula (1), Formula (2), and Formula (3): the polymer being a polymer in which the unit structure of Formula (1) has a ratio of mole number (a) within a range of 0.20?a?0.90, the unit structure of Formula (2) has a ratio of mole number (b) within a range of 0.05?b?0.60, and the unit structure of Formula (3) has a ratio of mole number (c) within a range of 0.001?c?0.40, when a total mole number of all unit structures constituting the polymer is 1.0, and the polymer having a weight average molecular weight of 3,000 to 100,000; a crosslinkable compound; a photoacid generator; and a solvent.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: September 6, 2016
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yusuke Horiguchi, Makiko Umezaki, Noriaki Fujitani, Hirokazu Nishimaki, Takahiro Kishioka, Takahiro Hamada
  • Publication number: 20160222262
    Abstract: There is provided a novel polymer, a composition containing the polymer, and a novel adhesive composition containing the polymer from which a cured film having desired properties is obtained. A polymer comprising a structural unit of Formula (1): wherein Q is a bivalent group, R1 is a C1-10 alkylene group, a C2-10 alkenylene group or C2-10 alkynylene group, a C6-14 arylene group, a C4-10 cyclic alkylene group, etc., or a polymer comprising a structural unit of Formula (6): wherein Q4 is an allyl group, a vinyl group, an epoxy group, or a glycidyl group, and R5 is a bivalent organic group having a main chain containing only carbon atom or at least one of oxygen atom, nitrogen atom and sulfur atom in addition to carbon atom, a composition comprising the polymer, and an adhesive composition comprising the polymer and a solvent.
    Type: Application
    Filed: April 13, 2016
    Publication date: August 4, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Mamoru TAMURA, Takuya OHASHI, Takahiro KISHIOKA, Tomoyuki ENOMOTO
  • Publication number: 20160201226
    Abstract: The invention provides a composition for the production of a fiber having organic solvent resistance, a fiber obtained by spinning the composition, and a biocompatible material containing the fiber. The composition contains (A) a polymer compound containing a unit structure represented by the formula (1) wherein each symbol is as described herein, (B) a crosslinking agent, (C) an acid compound, and (D) a solvent.
    Type: Application
    Filed: August 29, 2014
    Publication date: July 14, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko UMEZAKI, Takahiro KISHIOKA, Taito NISHINO, Ayako OTANI
  • Patent number: 9348222
    Abstract: There is provided a positive resist composition excellent in transparency, heat resistance, and refractive index particularly for forming a microlens and for forming a planarization film; and a microlens and a planarization film formed from the positive resist composition. A positive resist composition comprising a component (A): an alkali-soluble polymer comprising a unit structure having a biphenyl structure; a component (B): a compound having an organic group to be photolyzed to generate an alkali-soluble group; and a component (C): a solvent. The positive resist composition wherein the alkali-soluble polymer as the component (A) is a polymer comprising a unit structure of Formula (1): where when the total number of unit structures constituting the polymer (A) is assumed to be 1.0, the ratio n1 of the unit structure of Formula (1) constituting the polymer (A) satisfies 0.3?n1?1.0.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: May 24, 2016
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Shojiro Yukawa, Takahiro Kishioka, Takahiro Sakaguchi, Hiroyuki Soda
  • Patent number: 9340561
    Abstract: There is provided a novel organic silicon compound that can be used for a silane coupling agent. An organic silicon compound of Formula (1): (where A? is Formula (2) or Formula (3): E is Formula (4) or Formula (5): R1 and R2 are each independently a C1-5 alkyl group, R3 is a hydrogen atom or a methyl group, R4 and R5 are each independently a C1-5 alkyl group, m, n, and p are each independently an integer of 1 to 5, and q is an integer of 1 to 3).
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: May 17, 2016
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Daisuke Sakuma, Taito Nishino, Takahiro Kishioka, Yoshiomi Hiroi, Shigeo Kimura, Tomoya Ohashi, Yuki Usui
  • Publication number: 20160129176
    Abstract: This is to provide a blood filter comprising a porous element; and a copolymer which exists in at least a part of a surface of the porous element, and which contains a recurring unit containing an organic group of the following formula (a) and a recurring unit containing an organic group of the following formula (b), wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims.
    Type: Application
    Filed: June 9, 2014
    Publication date: May 12, 2016
    Inventors: Tatsuro KANAKI, Takahiro KISHIOKA, Taito NISHINO, Yoshiomi HIROI, Ayako OTANI, Tomoyuki OZAWA
  • Publication number: 20160122576
    Abstract: This is to provide a coating film having a function of inhibiting adhesion of a biological substance, a method for manufacturing the coating film, a copolymer obtainable by polymerizing a specific monomer mixture, a composition for forming a coating film having a specific composition, a method for manufacturing a varnish containing a copolymer to be used as a raw material of the composition for forming a coating film which is used for forming said film, and a sol for forming the coating film. In particular, this is to provide a coating film obtained by the method comprising a process of applying a composition for forming a coating film which comprises a copolymer comprising a recurring unit containing an organic group of the formula (a) and a recurring unit containing an organic group of the formula (b) and a solvent onto a substrate; and a process of drying at a temperature of ?200° C. to 200° C. (wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims).
    Type: Application
    Filed: June 9, 2014
    Publication date: May 5, 2016
    Inventors: Yoshiomi HIROI, Ayako OTANI, Takahiro KISHIOKA, Taito NISHINO, Tomoyuki OZAWA
  • Publication number: 20160115435
    Abstract: The present invention is to provide a cell culture vessel comprising a copolymer which contains a recurring unit containing an organic group of the following formula (a) and a recurring unit containing an organic group of the following formula (b) being coated onto a surface thereof, a method for manufacturing the same and a method for manufacturing a cell aggregate using the same (wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims).
    Type: Application
    Filed: June 9, 2014
    Publication date: April 28, 2016
    Inventors: Ayako OTANI, Taito NISHINO, Yoshiomi HIROI, Takahiro KISHIOKA, Tomoyuki OZAWA
  • Patent number: 9214345
    Abstract: There is provided an ion implantation method, a composition for forming an ion implantation film and a resist underlayer film-forming composition. An ion implantation method including the steps of: forming a film by applying a film-forming composition containing a compound including an element in group 13, group 14, group 15, or group 16 and an organic solvent onto a substrate and baking the film-forming composition; and implanting impurity ions into the substrate from above through the film and introducing the element in group 13, group 14, group 15, or group 16 in the film into the substrate. The film-forming composition is a film-forming composition for ion implantation containing a compound including an element in group 13, group 14, group 15, or group 16, and an organic solvent. In addition, the underlayer film-forming composition contains a compound having at least two borate ester groups.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: December 15, 2015
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Tomoya Ohashi, Takahiro Kishioka
  • Publication number: 20150267159
    Abstract: There is provided a new material that can form a finer pattern and can be applied to adsorption/adhesion control of various cell species, proteins, viruses, and the like without the limitation of the light source. A light-degradable material comprising: a moiety that is capable of bonding to a surface of a substrate through a siloxane bond; and a structural unit of Formula (2-a) and/or Formula (2-b): (where R2 to R4 are saturated linear alkyl groups; X is a hydrogen atom or an alkyl group; Z is a carbanionor a sulfo anion; Q is an ester bond group, a phosphodiester bond group, an amido bond group, an alkylene group, or an phenylene group or a combination of these divalent groups; m1 is an integer of 1 to 200, and n is an integer of 1 to 10).
    Type: Application
    Filed: October 11, 2013
    Publication date: September 24, 2015
    Inventors: Takahiro Kishioka, Shigeo Kimura, Yoshiomi Hiroi, Yuki Usui, Hiromi Kitano, Tadashi Nakaji, Makoto Gemmei
  • Patent number: 9140989
    Abstract: A material forms a pattern by applying a photosensitive composition to a base material and drying to form a photosensitive coating and performing exposure and development, and a method for forming the pattern. A photosensitive composition includes water-soluble organic particles, and a solvent, wherein the solvent is a poor solvent for the water-soluble organic particles. Preferably, the water-soluble organic particles of the photosensitive composition includes a polymer which contains a unit structure (A) for forming organic particles, a unit structure (B) for forming interparticle crosslinkage, and a unit structure (C) for imparting dispersibility, and the photosensitive composition further includes a photoacid generator.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: September 22, 2015
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro Kishioka, Makiko Umezaki, Shigeo Kimura, Hirokazu Nishimaki, Tomoya Ohashi, Yuki Usui
  • Patent number: 9023583
    Abstract: There is provided a composition for forming a monolayer or a multilayer on the substrate. A composition for forming a monolayer or a multilayer containing a silane compound of Formula (1A) or Formula (1B): [where R1s are independently a methyl group or an ethyl group; Xs are independently a C1-10 linking group; and Zs are independently a C1-10 alkyl group or a phenyl group optionally having a substituent, where X optionally contains at least one oxygen atom or sulfur atom in the main chain thereof, and when Z is an alkyl group, at least one hydrogen atom of the alkyl group is optionally substituted with a fluorine atom] and an organic solvent.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: May 5, 2015
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Takahiro Kishioka, Daisuke Sakuma, Shigeo Kimura, Hirokazu Nishimaki, Tomoya Ohashi, Yuki Usui
  • Patent number: 8993699
    Abstract: There is provided a photosensitive resin composition for a microlens. A photosensitive resin composition for a microlens, comprising a component (A), a component (B) and a component (C), wherein the component (A) is a polymer having a maleimide structural unit of Formula (1), the component (B) is a cross-linking agent, and the component (C) is a photosensitizing agent.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: March 31, 2015
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Takahiro Kishioka, Takahiro Sakaguchi
  • Patent number: 8940470
    Abstract: A material for a microlens having heat resistance, high resolution and high light-extraction efficiency is provided. A positive resist composition comprises an alkali-soluble polymer containing a unit structure having an aromatic fused ring or a derivative thereof, and a compound having an organic group which undergoes photodecomposition to yield an alkali-soluble group. The positive resist composition has coating film properties of a refractive index at a wavelength of 633 nm of 1.6 or more and a transmittance at wavelengths of 400 to 730 nm of 80% or more. A pattern forming method comprises applying the positive resist composition, drying the composition, exposing the composition to light, and developing the composition.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: January 27, 2015
    Assignee: Nissan Chemical Industries, Inc.
    Inventors: Takayuki Negi, Takahiro Sakaguchi, Takahiro Kishioka
  • Publication number: 20150017791
    Abstract: There is provided an ion implantation method, a composition for forming an ion implantation film and a resist underlayer film-forming composition. An ion implantation method including the steps of: forming a film by applying a film-forming composition containing a compound including an element in group 13, group 14, group 15, or group 16 and an organic solvent onto a substrate and baking the film-forming composition; and implanting impurity ions into the substrate from above through the film and introducing the element in group 13, group 14, group 15, or group 16 in the film into the substrate. The film-forming composition is a film-forming composition for ion implantation containing a compound including an element in group 13, group 14, group 15, or group 16, and an organic solvent. In addition, the underlayer film-forming composition contains a compound having at least two borate ester groups.
    Type: Application
    Filed: February 8, 2013
    Publication date: January 15, 2015
    Inventors: Tomoya Ohashi, Takahiro Kishioka