Patents by Inventor Hideki Takakuwa

Hideki Takakuwa 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: 20150166816
    Abstract: There is provided a dispersion composition capable of forming a film being excellent in surface conditions, the dispersion composition containing metal oxide particles (A) having a primary particle diameter of 1 nm to 100 nm, a polymer compound (B) having an acid value of less than 120 mgKOH/g, which is represented by the following Formula (1), and a solvent (C).
    Type: Application
    Filed: February 26, 2015
    Publication date: June 18, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Kyouhei ARAYAMA, Hiroaki IDEI, Makoto KUBOTA, Hideki TAKAKUWA
  • Publication number: 20150166780
    Abstract: There is provided a dispersion composition containing (A) a metal oxide particle having a primary particle diameter of 1 nm to 100 nm, (B) a polymer compound represented by the specific formula having a weight average molecular weight of 5,000 to 8,000 and an acid value of 70 to 90 mgKOH/g, and (C) a solvent, and a curable composition containing the dispersion composition and (D) a polymerizable compound.
    Type: Application
    Filed: February 25, 2015
    Publication date: June 18, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Kyouhei ARAYAMA, Hiroaki IDEI, Makoto KUBOTA, Hideki TAKAKUWA
  • Publication number: 20150138369
    Abstract: Provide a near-infrared absorbing composition excellent in the light resistance, and suppressed from producing non-uniformity. A near-infrared absorbing composition comprising a copper complex having a maximum absorption wavelength in the near-infrared absorption region, and a surfactant.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 21, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Hideki TAKAKUWA, Seongmu BAK, Kazuto SHIMADA
  • Publication number: 20150130008
    Abstract: Provided is a near-infrared absorptive compositions capable of reducing unevenness in the coated surface profile and variation in near-infrared absorptive ability when the near-infrared absorptive compositions are formed into films. The near-infrared absorptive composition comprises a copper complex and a solvent, wherein the near-infrared absorptive composition has a solid content of 10 to 90% by mass and the solvent has a boiling point of 90 to 200° C.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 14, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Hideki TAKAKUWA, Seongmu BAK
  • Publication number: 20140284747
    Abstract: An optical member set which has a first optical member formed by curing a curable resin composition, and a second optical member which is covered by the first optical member, in which the first optical member has a refractive index of 1.25 to 1.45 and the second optical member has a refractive index of 1.65 to 1.95.
    Type: Application
    Filed: June 6, 2014
    Publication date: September 25, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Hideki TAKAKUWA, Keiji YAMAMOTO, Kazuto SHIMADA, Makoto KUBOTA
  • Publication number: 20140285695
    Abstract: An optical member set which has a first optical member formed by curing a composition of curable resins, and a second optical member which is covered by the first optical member, in which the contact angle with water on a surface, which comes into contact with a first optical member, of the second optical member is 70 to 97° and the contact angle with the water on a surface of the opposite side to the side, which comes into contact with the second optical member, of the first optical member is 80 to 115°.
    Type: Application
    Filed: June 9, 2014
    Publication date: September 25, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Keiji YAMAMOTO, Kazuto SHIMADA, Hideki TAKAKUWA, Makoto KUBOTA
  • Patent number: 8779159
    Abstract: Provided is a colored photosensitive curing composition useful for color filters in primary colors, including blue, green, and red, having a high molar absorption coefficient and allowing a reduction in film thickness and superior color purity and fastness. A colored photosensitive curing composition, comprising, as its colorant, a dipyrromethene-based metal complex compound obtained from a metal or metal compound and a dipyrromethene-based compound represented by the following Formula (I): wherein in Formula (I), R1 to R6 each independently represents a hydrogen atom or a substituent group; and R7 represents a hydrogen or halogen atom, or an alkyl, aryl or heterocyclic group.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: July 15, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yuki Mizukawa, Ryoji Goto, Hideki Takakuwa, Masashi Ogiyama, Toru Fujimori
  • 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: 8741509
    Abstract: A colored curable composition for a solid-state image sensor comprises a polyhalogenated zinc phthalocyanine pigment, and a compound having at least a structure represented by the following Formula (A). In Formula (A), X1, X2, X3, X4, X5, and X6 each independently represent a substituent selected from —OH, —OR, or —NHCOCH?CH2, R represents a monovalent organic group. When the compound is an oligomer, the oligomer has a configuration in which at least one of X1, X2, X3, X4, X5, and X6 in a structure represented by Formula (A) is eliminated to form a single bond, which is then linked, via —O—, to another structure represented by Formula (A).
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: June 3, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Hideki Takakuwa
  • Patent number: 8728688
    Abstract: A colored curable composition is provided which has good developability, has excellent color purity, can be formed into a thin film, and has a high absorption coefficient. The colored curable composition includes at least one of specific dipyrromethene metal complex compounds and tautomers thereof. Also, a colored curable composition suitable for forming a color filter which is used in a liquid crystal display device or a solid-state imaging device, and a color filter using the colored curable composition and a method of producing the same are provided.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: May 20, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yuki Mizukawa, Ryoji Goto, Junichi Ito, Hideki Takakuwa, Shinichi Kanna
  • Patent number: 8663376
    Abstract: A surface treatment solution for autodeposition coating treatment of a metallic material, which is an aqueous solution comprising at least one tannin, at least one crosslinking agent having a crosslinking group capable of thermosetting reaction with a phenolic hydroxyl group and/or a phenolic nucleus, ferric ions, soluble type elemental fluorine, and an oxidizing agent, wherein the solids mass concentration ratio of the tannin to the crosslinking agent is in the range of from 1:1 to 1:10, the molar concentration of the soluble type elemental fluorine is at least 3-fold the molar concentration of the ferric ions, and the pH of the solution is from 2 to 6.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: March 4, 2014
    Assignee: Henkle AG & Co. KGaA
    Inventors: Takaomi Nakayama, Hideki Takakuwa, Takahiro Fujino
  • Publication number: 20130277602
    Abstract: A composition of an etching agent for aluminum or aluminum alloy and a treatment method thereof are provided. The etching agent does not contain a component not suitable for a wastewater treatment, such as boron and fluorine, and has stable etching performance even when performing an etching treatment continuously. The etching agent has excellent aging resistance providing good etching uniformity and corrosion resistance after etching. This etching agent is an etching agent for aluminum or aluminum alloy, including 50 parts by mass of an aminocarboxylic acid, 5 to 300 parts by mass of at least one selected from a hydroxycarboxylic acid, a dicarboxylic acid, a polycarboxylic acid, and salts thereof, and 10 to 800 parts by mass of at least one selected from a hydroxide, a carbonate, and a bicarbonate of an alkali metal, wherein an aqueous solution of the etching agent has a pH of 8 to 10.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 24, 2013
    Inventors: Mori Kazuhiko, Hideki Takakuwa, Takayuki Yorozu
  • Patent number: 8492057
    Abstract: A colored curable composition for a solid-state image pickup device, including a polyhalogenated zinc phthalocyanine pigment, a photopolymerization initiator, a polymerizable compound, and an epoxy compound.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: July 23, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Hideki Takakuwa, Hiroshi Taguchi, Kaoru Aoyagi
  • 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
  • Patent number: 8465553
    Abstract: The invention provides a pigment dispersion composition including an azo pigment represented by formula (1), in which the azo pigment represented by formula (1) does not have an ionic hydrophilic group, an azo pigment derivative and a dispersant. In formula (1), G represents a hydrogen atom, an aliphatic group, an aryl group or a heterocyclic group; R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group or a heterocyclic group; R2 represents a substituent; A represents a heterocyclic group; m represents an integer of 0 to 5; and n represents an integer of 1 to 4, wherein: when n=2, the azo pigment is a dimer formed via R1, R2, A or G; when n=3, the azo pigment is a a trimer formed via R1, R2, A or G; and when n=4, the azo pigment is a tetramer formed via R1, R2, A or G.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: June 18, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Toshihito Kuge, Nobuo Seto, Masahiro Higashi, Keiichi Tateishi, Hideki Takakuwa, Kaoru Aoyagi, Hiroshi Taguchi
  • Patent number: 8445167
    Abstract: The invention aims to provide a metal phthalocyanine dye mixture having excellent solubility in an organic solvent, which can be formed into a thin film.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: May 21, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Yuki Mizukawa, Hideki Takakuwa
  • Patent number: 8389185
    Abstract: There are provide a pigment dispersion containing (A) a halogenated zinc phthalocyanine pigment, and (B) a copolymer of at least (b-1) a monomer having at least one group selected from an amino group and a nitrogen-containing heterocyclic group, (b-2) a monomer having a carboxyl group, and (b-3) a macromonomer having a weight-average molecular weight from 1,000 to 50,000, a colored curable composition containing the pigment dispersion, a color filter using the colored curable composition and a method for preparing the same.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: March 5, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Yushi Kaneko, Kaoru Aoyagi, Hideki Takakuwa, Yuzo Nagata
  • Patent number: 8367282
    Abstract: The invention provides a colored photosensitive curing composition useful for color filters in primary colors, including blue, green, and red, having a high molar absorption coefficient and allowing a reduction in film thickness and superior color purity and fastness; the colored photosensitive curing composition including, as its colorant, a dipyrromethene-based metal complex compound or a interconvertible isomer thereof, obtained from a metal or metal compound and a dipyrromethene-based compound represented by Formula (III): wherein R2 to R5, R7 represent a hydrogen atom or a substituent group; Ma represents a metal or metal compound; X3 represents NR, a nitrogen, oxygen or sulfur atom; X4 represents NR, an oxygen or sulfur atom; Y1 represents NR, a nitrogen or carbon atom; Y2 represents a nitrogen or carbon atom; R8 and R9 represent a substituent group; X5 represents a group that can bond to Ma; and a is 0, 1, or 2.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: February 5, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Yuki Mizukawa, Ryoji Goto, Hideki Takakuwa, Masashi Ogiyama, Toru Fujimori
  • Patent number: 8334085
    Abstract: A colored curable composition is provided which has good developability, has excellent color purity, can be formed into a thin film, and has a high absorption coefficient. The colored curable composition includes at least one of specific dipyrromethene metal complex compounds and tautomers thereof. Also, a colored curable composition suitable for forming a color filter which is used in a liquid crystal display device or a solid-state imaging device, and a color filter using the colored curable composition and a method of producing the same are provided.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: December 18, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Yuki Mizukawa, Ryoji Goto, Junichi Ito, Hideki Takakuwa, Shinichi Kanna
  • Publication number: 20120315579
    Abstract: A colored curable composition is provided which has good developability, has excellent color purity, can be formed into a thin film, and has a high absorption coefficient. The colored curable composition includes at least one of specific dipyrromethene metal complex compounds and tautomers thereof. Also, a colored curable composition suitable for forming a color filter which is used in a liquid crystal display device or a solid-state imaging device, and a color filter using the colored curable composition and a method of producing the same are provided.
    Type: Application
    Filed: August 27, 2012
    Publication date: December 13, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuki MIZUKAWA, Ryoji GOTO, Junichi ITO, Hideki TAKAKUWA, Shinichi KANNA