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: 20100055582
    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 31, 2009
    Publication date: March 4, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuki MIZUKAWA, Ryoji GOTO, Junichi ITO, Hideki TAKAKUWA, Shinichi KANNA
  • Publication number: 20100044817
    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: Application
    Filed: July 27, 2009
    Publication date: February 25, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Hideki TAKAKUWA, Kaoru AOYAGI, Kazuto SHIMADA
  • Publication number: 20090246649
    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: Application
    Filed: March 18, 2009
    Publication date: October 1, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Hideki Takakuwa, Kazuto Shimada, Toru Fujimori
  • Patent number: 7575644
    Abstract: A solution for treating a surface of an iron material includes (a) zirconium fluoride; (b) ion of a rare earth element and/or a compound containing a rare earth element; (c) a polyallylamine; (d) aluminum ion; and (e) free fluorine ion. Zirconium in the component (a) is at a weight concentration A of 10 to 1000 ppm. The ratio K of the weight concentration B of the rare earth element in the component (b) to the weight concentration A (B/A) is 0.1 to 30. The component (d) is at a weight concentration D of 50 to 250 ppm. The component (e) is at a weight concentration E of 0.5 to 30 ppm. A coating having excellent corrosion resistance before and after the subsequent coating can be deposited on the surface of an iron material by using the surface treating solution which does not contain environmentally harmful ingredients.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: August 18, 2009
    Assignees: Nihon Parkerizing Co., Ltd., Honda Motor Co., Ltd.
    Inventors: Hideki Takakuwa, Yuko Takanashi, Katsutoshi Ando, Yasuhito Murai
  • Publication number: 20090075188
    Abstract: This invention provides an azo compound represented by Formula (I), Formula (II), or Formula (III): wherein R1 and R2 each independently represent a hydrogen atom or a substituent; D1 and D2 each independently represent a coupler residue; Z1 and Z2 each independently represent —C(R3)? or —N?; and R3 represents a hydrogen atom or a substituent.
    Type: Application
    Filed: September 12, 2008
    Publication date: March 19, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuki MIZUKAWA, Hideki Takakuwa, Toru Fujimori
  • Publication number: 20090053626
    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: Application
    Filed: August 15, 2008
    Publication date: February 26, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Hideki Takakuwa, Kazuto Shimada
  • Publication number: 20080206660
    Abstract: The present invention provides a colored photosensitive composition containing a coloring agent, a resin, and a polymerizable compound, wherein the content of the coloring agent is 50% by mass to 80% by mass with reference to the total solid content, and the resin has an acid value of 1 mg KOH/g to 70 mg KOH/g.
    Type: Application
    Filed: February 26, 2008
    Publication date: August 28, 2008
    Applicant: FUJIFILM CORPORATION
    Inventors: Hideki TAKAKUWA, Kazuto Shimada, Taeko Nakashima
  • Publication number: 20080081268
    Abstract: Provided is a colored curable composition, comprising at least one tetraazaporphyrin dye represented by the following Formula (C1), a color filter prepared by using the same, and a production method thereof. wherein, R1 represents a substituent group; L represents an aliphatic or aromatic connecting group; Z1 represents a non-metal atom group needed for forming a six-membered ring with carbon atoms; at least one of the multiple groups R1 has —OY, —COOY, —SO3Y, —CON(Y)CO—, —CON(Y)SO2— or —SO2N(Y)CO—; Y represents a hydrogen atom, a metal atom or a conjugate acid; and M represents two hydrogen atoms, a bivalent metal atom, a bivalent metal oxide, a bivalent metal hydroxide or a bivalent metal chloride.
    Type: Application
    Filed: August 27, 2007
    Publication date: April 3, 2008
    Applicant: FUJIFILM CORPORATION
    Inventors: Masuji MOTOKI, Yuki MIZUKAWA, Toru FUJIMORI, Hideki TAKAKUWA
  • Publication number: 20080076044
    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 represent a hydrogen atom or a substituent group; and R7 represents a hydrogen or halogen atom, or an alkyl, aryl or heterocyclic group.
    Type: Application
    Filed: September 27, 2007
    Publication date: March 27, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Yuki Mizukawa, Ryoji Goto, Hideki Takakuwa, Masashi Ogiyama, Toru Fujimori
  • Publication number: 20080008902
    Abstract: A solution for treating a surface of an iron material includes (a) zirconium fluoride; (b) ion of a rare earth element and/or a compound containing a rare earth element; (c) a polyallylamine; (d) aluminum ion; and (e) free fluorine ion. Zirconium in the component (a) is at a weight concentration A of 10 to 1000 ppm. The ratio K of the weight concentration B of the rare earth element in the component (b) to the weight concentration A (B/A) is 0.1 to 30. The component (d) is at a weight concentration D of 50 to 250 ppm. The component (e) is at a weight concentration E of 0.5 to 30 ppm. A coating having excellent corrosion resistance before and after the subsequent coating can be deposited on the surface of an iron material by using the surface treating solution which does not contain environmentally harmful ingredients.
    Type: Application
    Filed: June 7, 2007
    Publication date: January 10, 2008
    Inventors: Hideki Takakuwa, Yuko Takanashi, Katsutoshi Ando, Yasuhito Murai
  • Publication number: 20070212623
    Abstract: The invention provides a dye-containing negative working curable composition comprising at least a dye, a photopolymerization initiator, a polymerizable monomer, and a colorless compound having a number average molecular weight of 1,000 to 5,000, wherein the ratio of an alkali-soluble resin to the total solid content of the composition is 10% by mass or less.
    Type: Application
    Filed: March 6, 2007
    Publication date: September 13, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Hideki Takakuwa, Yuki Mizukawa
  • Publication number: 20070190435
    Abstract: The present invention provides a dye-containing photosensitive composition that includes at least phthalocyanine, a photosensitive compound, and a transition metal complex of which the molar absorption coefficient ? in a visible light region is less than 5000.
    Type: Application
    Filed: February 2, 2007
    Publication date: August 16, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Hideki Takakuwa, Yuki Mizukawa
  • Publication number: 20070184366
    Abstract: The present invention provides a dye-containing curable composition a dye-containing curable composition containing at least an alkali soluble binder, an organic-solvent-soluble dye, a radiation-sensitive compound and a metal complex of a transition element in which the maximum value of a molar absorption coefficient ? in a visible light range is smaller than that of the organic-solvent-soluble dye; a color filter using the curable composition; and a process of preparing the curable composition.
    Type: Application
    Filed: April 18, 2007
    Publication date: August 9, 2007
    Inventor: Hideki TAKAKUWA
  • Publication number: 20070099096
    Abstract: A dye-containing curable composition comprising at least (A) an organic solvent-soluble dye, (B) a radiation-sensitive compound, (C) a transition metal complex, wherein the maximum value of the molar absorption coefficient ? in the visible light range is lower than the molar absorption coefficient ? of the organic solvent-soluble dye, and (D) other than the (A) to (C), a compound containing at least two functional groups having an unshared electron pair per molecule.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 3, 2007
    Inventors: Tomoya Sasaki, Hideki Takakuwa, Kazuto Shimada
  • Publication number: 20070072096
    Abstract: The invention provides a negative curable dye-containing composition including at least one compound selected from amine and pyridine compounds, a phthalocyanine dye soluble in an organic solvent, a photopolymerization initiator, and a radical polymerizable monomer, a color filter formed by using the same, and a manufacturing method of the color filter.
    Type: Application
    Filed: September 28, 2006
    Publication date: March 29, 2007
    Inventors: Hideki Takakuwa, Katsumi Araki, Nobuo Seto
  • Publication number: 20060251976
    Abstract: A photosensitive composition containing at least an organic-solvent-soluble dye, wherein the solid content of the organic-solvent-soluble dye is 50% by weight or higher based on the total weight of the solid content of the photosensitive composition, and the organic-solvent-soluble dye comprises at least one di- or higher-valent metal salt of an azo dye.
    Type: Application
    Filed: April 12, 2006
    Publication date: November 9, 2006
    Inventors: Hideki Takakuwa, Katsumi Araki, Yuki Mizukawa
  • Publication number: 20040185372
    Abstract: The present invention provides a dye-containing curable composition a dye-containing curable composition containing at least an alkali soluble binder, an organic-solvent-soluble dye, a radiation-sensitive compound and a metal complex of a transition element in which the maximum value of a molar absorption coefficient &egr; in a visible light range is smaller than that of the organic-solvent-soluble dye; a color filter using the curable composition; and a process of preparing the curable composition.
    Type: Application
    Filed: March 10, 2004
    Publication date: September 23, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Hideki Takakuwa