Patents by Inventor Azumi Sato

Azumi Sato 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: 7875407
    Abstract: A colored alkali-developable photosensitive resin composition comprising an alkali-developable resin composition that contains a reaction product obtained by esterification of an epoxy-adduct with a polybasic acid anhydride (C) and then with a polyfunctional epoxy compound (D), wherein the epoxy-adduct has a structure in which an unsaturated monobasic acid (B) is added to an epoxy resin (A) represented by general formula (I) below, a coloring material (E) and a photopolymerization initiator (F).
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: January 25, 2011
    Assignees: Toppan Printing Co., Ltd., Adeka Corporation
    Inventors: Nozomi Nawa, Yasuyuki Demachi, Azumi Sato, Hiromitsu Ito, Yoshie Makabe, Naomi Sato, Naoki Maeda, Kazuyuki Fuchigami
  • Patent number: 7846622
    Abstract: An alkali-developable, colored photosensitive resin composition obtained by adding a colorant and a photopolymerization initiator to an alkali-developable resin composition, containing a reaction product obtained by esterification between an epoxy adduct and a polybasic acid anhydride, the epoxy adduct having a structure formed by adding an unsaturated monobasic acid and a compound selected from a phenol compound, an alcohol compound, an amine compound, and a carboxylic acid to an epoxy resin represented by general formula. The epoxy adduct is formed by adding 0.1 to 1.0 carboxyl group of the unsaturated monobasic acid and 0 to 0.9 phenolic hydroxyl group, alcoholic hydroxyl group, amino group or carboxyl group per epoxy group of the epoxy resin, with the sum of the carboxyl unsaturated monobasic acid and the phenolic hydroxyl group, alcoholic hydroxyl, amino or carboxyl group being 0.1 to 1.0 per epoxy group.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: December 7, 2010
    Assignees: Toppan Printing Co., Ltd., Adeka Corporation
    Inventors: Yasuyuki Demachi, Azumi Sato, Hiromitsu Ito, Tadatoshi Maeda, Koichi Kimishima, Masaaki Shimizu, Naomi Sato, Tomohito Ishiguro, Yoshie Makabe
  • Publication number: 20100253888
    Abstract: Disclosed is a coloring composition including a pigment, a transparent resin, a monomer having an ethylenic unsaturated double bond, and a photo-polymerization initiator, wherein a ratio (M/P) of weight (M) of the monomer having an ethylenic unsaturated double bond to weight (P) of the transparent resin is confined to a range of 0.12 to 1.35, and the coloring composition is adapted to be employed in a manufacturing method of a color filter including coating a surface of a substrate with the coloring composition, irradiating a filter segment-forming region or a black matrix-forming region of the coated coloring composition film with a laser beam having a wavelength of 340 nm to 380 nm, thereby curing the irradiated region, and removing uncured portion of the coated coloring composition film to form the filter segment or the black matrix.
    Type: Application
    Filed: June 17, 2010
    Publication date: October 7, 2010
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Hideyo Tanaka, Isao Shigemori, Yusuke Iida, Mari Iwasaki, Kenro Sunahara, Morihide Miyamura, Takeshi Ikeda, Eishi Aoki, Genki Harada, Azumi Sato
  • Publication number: 20090202750
    Abstract: A colored alkali-developable photosensitive resin composition comprising an alkali-developable resin composition that contains a reaction product obtained by esterification of an epoxy-adduct with a polybasic acid anhydride (C) and then with a polyfunctional epoxy compound (D), wherein the epoxy-adduct has a structure in which an unsaturated monobasic acid (B) is added to an epoxy resin (A) represented by general formula (I) below, a coloring material (E) and a photopolymerization initiator (F).
    Type: Application
    Filed: June 5, 2006
    Publication date: August 13, 2009
    Applicants: TOPPAN PRINTING CO., LTD., ADEKA CORPORATION
    Inventors: Nozomi Nawa, Yasuyuki Demachi, Azumi Sato, Hiromitsu Ito, Yoshie Makabe, Naomi Sato, Naoki Maeda, Kazuyuki Fuchigami
  • Publication number: 20070269720
    Abstract: An alkali-developable, colored photosensitive resin composition obtained by adding a colorant and a photopolymerization initiator to an alkali-developable resin composition, containing a reaction product obtained by esterification between an epoxy adduct and a polybasic acid anhydride, the epoxy adduct having a structure formed by adding an unsaturated monobasic acid and a compound selected from a phenol compound, an alcohol compound, an amine compound, and a carboxylic acid to an epoxy resin represented by general formula. The epoxy adduct is formed by adding 0.1 to 1.0 carboxyl group of the unsaturated monobasic acid and 0 to 0.9 phenolic hydroxyl group, alcoholic hydroxyl group, amino group or carboxyl group per epoxy group of the epoxy resin, with the sum of the carboxyl unsaturated monobasic acid and the phenolic hydroxyl group, alcoholic hydroxyl, amino or carboxyl group being 0.1 to 1.0 per epoxy group.
    Type: Application
    Filed: August 30, 2005
    Publication date: November 22, 2007
    Applicants: Toppan Printing Co., Ltd., Adeka Corporation
    Inventors: Yasuyuki Demachi, Azumi Sato, Hiromitsu Ito, Tadatoshi Maeda, Koichi Kimishima, Masaaki Shimizu, Naomi Sato, Tomohito Ishiguro, Yoshie Makabe