Patents by Inventor Kazuto Shimada

Kazuto Shimada 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: 8785087
    Abstract: The present invention provides a pigment-dispersed composition including at least a polymer compound (A-1) having at least one selected from the structural units represented by the following formulae (1) to (3), a pigment (B) and a solvent (C), and a pigment-dispersed composition including at least a resin (D) having an acid number of 100 mg KOH/g or more, a dispersion resin (A-2) having an acid number of less than 100 mg KOH/g and an unsaturation equivalent of less than 600, a pigment (B), and a solvent (C) [R1 to R20: a hydrogen atom, a monovalent organic group; A1 to A3: an oxygen atom, a sulfur atom, —N(R21)—; G1 to G3: a divalent organic group; X, Z: an oxygen atom, a sulfur atom, —N(R22)—; Y: an oxygen atom, a sulfur atom, a phenylene group, —N(R23)—; and R21 to R23: an alkyl group].
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: July 22, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Taeko Nakashima, Kazuto Shimada, Shuichi Odagiri
  • Patent number: 8765332
    Abstract: The invention provides a green curable composition including a colorant in an amount of 47.5% by mass or more with respect to the total solid content of the green curable composition, the colorant containing a halogenated copper phthalocyanine pigment and a barbituric acid derivative yellow pigment at a ratio of from 6/4 to 3/7 (halogenated copper phthalocyanine pigment/barbituric acid derivative yellow pigment); a colored pattern formed from the green curable composition; a color filter including the colored pattern; a solid-state image sensor including the color filter; and a method of producing the color filter.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: July 1, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Hideki Takakuwa, Kazuto Shimada, Toru Fujimori
  • Patent number: 8735483
    Abstract: A polymerizable composition includes: a polymerization initiator; a polymerizable compound; a tungsten compound; and an alkali-soluble binder.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: May 27, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Naotsugu Muro, Kimi Ikeda, Kazuto Shimada, Daisuke Arioka
  • Patent number: 8735026
    Abstract: A polymerizable composition including at least a polymerizable compound, a binder polymer, a photopolymerization initiator, and a titanium black dispersion, wherein the mass ratio of the content of the polymerizable compound to the content of the binder polymer is more than 1.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: May 27, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kazuto Shimada, Tomotaka Tsuchimura, Yoichi Maruyama, Toru Fujimori, Yushi Kaneko, Hiroyuki Einaga
  • Patent number: 8663880
    Abstract: A polymerizable composition for a color filter, including (A) a polymerizable compound, (B) a polymerization initiator, (C) a coloring agent, and (D) a polymer including at least a group having polymerization inhibiting ability and a group having surface localizability.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: March 4, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kazuto Shimada, Masaomi Makino, Tatsuya Tanaka
  • Publication number: 20140054738
    Abstract: A curable resin composition, for forming a first optical member of an optical member set, the optical member having the first optical member and a second optical member covered with the first optical member, the first optical member being formed by curing a siloxane resin, comprising: a siloxane resin, a surfactant, and a solvent, the siloxane resin and the surfactant being contained in the solvent, the surfactant having a polyoxyalkylene structure, the siloxane resin being defined in 65% by mass to 100% by mass thereof having a particular polysilsesquioxane structure.
    Type: Application
    Filed: November 4, 2013
    Publication date: February 27, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Keiji YAMAMOTO, Kazuto SHIMADA, Makoto KUBOTA
  • Publication number: 20130306919
    Abstract: The invention provides a photosensitive resin composition that includes titanium black, a photopolymerizable compound, a resin A having an acid value of from 70 mgKOH/g to 250 mgKOH/g, a resin B having an acid value of from 26 mgKOH/g to 65 mgKOH/g, a photopolymerization initiator, and a solvent, the photopolymerization initiator including an oxime photopolymerization compound.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 21, 2013
    Inventors: Yoichi MARUYAMA, Hiroyuki EINAGA, Toru FUJIMORI, Kazuto SHIMADA, Tomotaka TSUCHIMURA, Yushi KANEKO
  • Patent number: 8551676
    Abstract: There are provided a pigment-dispersed composition comprising at least a resin having a pendant group containing a nitrogen-containing heterocyclic ring and an ethylenic unsaturated double bond in the main chain skeleton, a pigment, and a solvent, and a curable composition using this, a color filter having a colored pattern formed from the curable composition, and a production method thereof.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: October 8, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Taeko Nakashima, Kazuto Shimada
  • Patent number: 8470502
    Abstract: A photosensitive resin composition is provided which provides a high resolution even when a pattern is formed using a low exposure intensity (in particular, less than 200 mJ/cm2) and may inhibit deterioration in pattern rectangularity during a post baking process of a post treatment. The photosensitive resin composition includes: a resin; an oxime photopolymerization initiator; a UV absorbing agent; and a monomer containing a hydrogen bonding group, the amount of the monomer containing a hydrogen bonding group being 30 mass % or more with respect to the total solid content of the composition, and the photosensitive resin composition is used for forming a solid-state imaging device.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: June 25, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Hideki Takakuwa, Kaoru Aoyagi, Kazuto Shimada
  • Publication number: 20130034812
    Abstract: The present invention provides a polymerizable composition for a solder resist, including an infrared ray shielding material, a polymerization initiator, and a polymerizable compound, and a solder resist pattern forming method using the polymerizable composition for a solder resist.
    Type: Application
    Filed: December 9, 2010
    Publication date: February 7, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Kazuto Shimada, Kimi Ikeda, Yoshiharu Yabuki, Daisuke Arioka
  • Publication number: 20130028587
    Abstract: A black curable composition for forming a light-shielding color filter of solid-state imaging device is provided, which is capable of forming a pattern at low exposure dose even when containing a high concentration of an inorganic pigment, and preventing pattern defects. Also, a black curable composition for a wafer level lens is provided, which is capable of forming a cured film having excellent light shieldability and excellent in co-formability of both a large pattern and a fine pattern. The composition includes: an inorganic pigment; a copolymer containing a monomer having at least one of an amino group and a nitrogen-containing heterocyclic group, a monomer having at least one group of a carboxyl group, a phosphate group and a sulfonate group, and a macromonomer having a weight average molecular weight from 1,000 to 50,000; a polymerization initiator; a polymerizable compound; and an alkali-soluble resin having an unsaturated double bond.
    Type: Application
    Filed: March 24, 2011
    Publication date: January 31, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Yushi Kaneko, Makoto Kubota, Kazuto Shimada
  • Patent number: 8303860
    Abstract: A colored curable composition including: (A) a pigment dispersion containing (a-1) a pigment, (a-2) a compound having a pigment mother nucleus structure and an amino group in a molecule, and (a-3) a resin having an acid group and a polymerizable group; (B) an oxime ester initiator; and (C) a polymerizable compound.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: November 6, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Kazuto Shimada, Atsushi Sugasaki
  • Patent number: 8304083
    Abstract: A hydrophilic member comprising a substrate and a hydrophilic coating film provided on the substrate, wherein the hydrophilic coating film is produced by coating a substrate with an aqueous solution containing (a) a hydrophilic polymer, (b) an alkoxide of a metal selected from the group consisting of Si, Ti, Zr, and Al, and (c) a metal complex catalyst, and heat-drying the solution applied.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: November 6, 2012
    Assignee: Fujifilm Corporation
    Inventors: Satoshi Hoshi, Toshiaki Aoai, Kazuto Shimada, Satoshi Tanaka, Kazuto Kunita
  • Publication number: 20120250166
    Abstract: A light-shielding curable composition is provided which exhibits excellent dispersion property, excellent storage stability, and excellent pattern edge formability, and a wafer level lens and a light-shielding color filter which have a light-shielding section produced using the curable composition are provided. The light-shielding curable composition includes (A) an inorganic pigment; (B) a dispersant having a polyester structure; (C) a polymerizable compound having a polyester structure; (D) a polymerization initiator; and (E) a solvent.
    Type: Application
    Filed: December 16, 2010
    Publication date: October 4, 2012
    Inventors: Hiroaki Idei, Yushi Kaneko, Kazuto Shimada
  • Patent number: 8278386
    Abstract: A dispersion composition is provided in which the dispersibility of titanium black is high, the sedimentation of titanium black over time is suppressed, and overall dispersibility and storage stability are high. Further, a polymerizable composition is provided in which favorable coating property on a substrate and even film thickness can be obtained, generation of residue in an unexposed region when a pattern is formed can be suppressed, and favorable pattern shape having any steps after exposure/development can be obtained. The dispersion composition contains (A) titanium black, (B) a graft copolymer and (C) a solvent.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: October 2, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Yuzo Nagata, Tomotaka Tsuchimura, Makoto Kubota, Kazuhiro Fujimaki, Yushi Kaneko, Kazuto Shimada
  • Patent number: 8268519
    Abstract: A curable composition including (A) a compound which has a plurality of ethylenically unsaturated double bonds and secondary hydroxyl groups, (B) a photopolymerization initiator, and (C) a coloring agent, is used to provide a curable composition which exhibits excellent storage stability such as dispersion stability even in the case where a coloring agent is included at high concentration, highly sensitive curability by exposure, high adhesiveness to the surface of a hardening material in a curing region when applied in forming patterns on the surface of the hardening material, excellent uncured region removability, and excellent pattern formability; a color filter having colored patterns, which is formed by using the curable composition and has excellent resolution and adhesiveness to the support; and a manufacturing method of the coloring filter with high productivity.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: September 18, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Taeko Nakashima, Kazuto Shimada
  • Patent number: 8252490
    Abstract: A color filter or solid state imaging device comprising a colored pattern formed from a curable composition which includes (A) a pigment, (B) a compound having a defined cyclic urea structure and having an acid group or a basic group, (C) a dispersant, (D) a solvent, (E) a radical polymerizable compound, and (F) a photopolymerization initiator. The pigment may be a pigment having a urea structure or an imide structure. The pigment may also be a pigment having a barbituric skeleton.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: August 28, 2012
    Assignee: Fujifilm Corporation
    Inventors: Kazuto Shimada, Yushi Kaneko, Tomotaka Tsuchimura
  • Publication number: 20120202154
    Abstract: A black curable composition for a wafer level lens includes (A) a metal-containing inorganic pigment, (B) a polymerization initiator, and (C) a polymerizable compound. The (A) metal-containing inorganic pigment is preferably titanium black.
    Type: Application
    Filed: September 28, 2010
    Publication date: August 9, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Kazuto Shimada
  • Patent number: 8211598
    Abstract: A black photosensitive resin composition, a light-shielding color filter using the composition and its production method are provided, the black photosensitive resin composition including: a black colorant; a compound represented by Formula (I) or (II) as defined in the specification; and a photopolymerization initiator.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: July 3, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Hiroyuki Einaga, Yoichi Maruyama, Kazuto Shimada, Tomotaka Tsuchimura, Hiroshi Taguchi
  • Patent number: 8137890
    Abstract: The invention provides a colored photosensitive composition including: a coloring agent with a content of from 50% by weight to 80% by weight with respect to the total solid content of the composition; an oxime-based initiator with a content of from 5% by weight to 20% by weight with respect to the total solid content of the composition; and a resin containing at least one first structural unit represented by any one of the following formulae (1) to (3) containing an unsaturated double bond, and at least one second structural unit represented by the following formula (4) containing an acid group, wherein a ratio of the first structural unit to the second structural unit is 1.5 or more (molar ratio).
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: March 20, 2012
    Assignee: Fujifilm Corporation
    Inventors: Hideki Takakuwa, Kazuto Shimada