Patents by Inventor Masataka Yoshizawa

Masataka Yoshizawa 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: 10890701
    Abstract: The present invention is to provide a laminate that includes a polarizer and a photo alignment film and is excellent in the moisture-heat resistance of the polarizer, a method of producing a laminate, a polarizing plate, a liquid crystal display device, and an organic EL display device including the laminate. The laminate of the present invention includes a polarizer, and a photo alignment film that is adjacently arranged on the polarizer, the photo alignment film is a layer formed by bringing a composition for forming a photo alignment film into direct contact with a surface of the polarizer, and the composition for forming a photo alignment film contains Compound A having a photo-aligned group and Compound B having a crosslinking group, or Compound C having a photo-aligned group and a crosslinking group.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: January 12, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masataka Yoshizawa, Akira Yamamoto
  • Publication number: 20170068031
    Abstract: The present invention is to provide a laminate that includes a polarizer and a photo alignment film and is excellent in the moisture-heat resistance of the polarizer, a method of producing a laminate, a polarizing plate, a liquid crystal display device, and an organic EL display device including the laminate. The laminate of the present invention includes a polarizer, and a photo alignment film that is adjacently arranged on the polarizer, the photo alignment film is a layer formed by bringing a composition for forming a photo alignment film into direct contact with a surface of the polarizer, and the composition for forming a photo alignment film contains Compound A having a photo-aligned group and Compound B having a crosslinking group, or Compound C having a photo-aligned group and a crosslinking group.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Masataka YOSHIZAWA, Akira YAMAMOTO
  • Patent number: 9346961
    Abstract: The invention is directed to a polymerizable composition containing: a compound containing a repeating unit having a polyether structure having a fluorine atom and four or more polymerizable groups and being represented by the formula (I) as defined herein; a photopolymerization initiator; and an organic solvent, or a polymerizable composition containing: a compound containing a repeating unit having a polyether structure having a fluorine atom and four or more polymerizable groups and being represented by one of the formulae (I-1) to (I-5) as defined herein; a photopolymerization initiator; and an organic solvent.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: May 24, 2016
    Assignee: FUJIFILM CORPORATION
    Inventors: Naozumi Shiraiwa, Masataka Yoshizawa, Daiki Wakizaka, Miho Asahi, Hiroyuki Suzuki
  • Patent number: 9334352
    Abstract: A curable resin composition containing a compound of formula (1), a compound of formula (2) and a thermal- or photo-radical polymerization initiator is capable of producing a cured product having a low Abbe's number and capable of realizing burr reduction in molding the composition.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 10, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Ayumi Someya, Masataka Yoshizawa, Tatsuhiko Obayashi, Hiroyuki Naitou
  • Publication number: 20150197592
    Abstract: A curable resin composition containing a compound of formula (1), a compound of formula (2) and a thermal- or photo-radical polymerization initiator is capable of producing a cured product having a low Abbe's number and capable of realizing burr reduction in molding the composition.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Ayumi SOMEYA, Masataka YOSHIZAWA, Tatsuhiko OBAYASHI, Hiroyuki NAITOU
  • Patent number: 8597805
    Abstract: A binder composition for a magnetic recording medium contains a vinyl copolymer having structural units denoted by each of formulas [1], [2] and [3]. In formula [1], R1 is hydrogen, halogen, or methyl, L1 is a single bond or a divalent linking group, and Y is an alicyclic group. In formula [2], R2 is hydrogen, halogen, or methyl, L2 is a single bond or a divalent linking group, and Z is a hydrocarbon group with a carbon number of from 8 to 50.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: December 3, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Masataka Yoshizawa, Ayako Matsumoto, Satoshi Matsubaguchi
  • Publication number: 20130258467
    Abstract: The invention is directed to a polymerizable composition containing: a compound containing a repeating unit having a polyether structure having a fluorine atom and four or more polymerizable groups and being represented by the formula (I) as defined herein; a photopolymerization initiator; and an organic solvent, or a polymerizable composition containing: a compound containing a repeating unit having a polyether structure having a fluorine atom and four or more polymerizable groups and being represented by one of the formulae (I-1) to (I-5) as defined herein; a photopolymerization initiator; and an organic solvent.
    Type: Application
    Filed: March 29, 2013
    Publication date: October 3, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Naozumi SHIRAIWA, Masataka YOSHIZAWA, Daiki WAKIZAKA, Miho ASAHI, Hiroyuki SUZUKI
  • Patent number: 8501331
    Abstract: A binder composition for a magnetic recording medium contains a vinyl copolymer having a structural unit of general formula [1]: wherein R1 is H, halogen, or methyl, L1 is a single bond or a divalent linking group, and Y is an alicyclic group; a structural unit of general formula [2]: wherein R2 is H, halogen, or methyl, L2 is a single bond or a divalent linking group, and Z is a hydrocarbon group with a carbon number of from 8 to 50; and a structural unit of general formula [3]: wherein R3 is H, halogen, or methyl, and L3 is a single bond or a divalent linking group.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: August 6, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Masataka Yoshizawa, Masato Nagura, Satoshi Matsubaguchi, Ayako Matsumoto
  • Patent number: 8153246
    Abstract: An optical compensatory film comprising an optically anisotropic layer composed of a liquid crystal composition including a liquid crystal compound, wherein the liquid crystal composition contains a copolymer including a repeating unit derived from a monomer of formula [1] and a repeating unit derived from a monomer of formula [2]: wherein R0 represents a hydrogen atom, a halogen atom or an alkyl group, L represents a divalent linking group, and n represents an integer of 1-18; wherein R11 represents a hydrogen atom, a halogen atom or an alkyl group, L11 represents a divalent linking group, and R13, R14 and R15 represents a hydrocarbon group or an aromatic heterocyclic group.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: April 10, 2012
    Assignee: Fujifilm Corporation
    Inventor: Masataka Yoshizawa
  • Patent number: 8124562
    Abstract: A thermal transfer ink sheet having a dye layer containing a polyvinyl acetal modified with a compound of the formula [1] and a polyvinyl acetal modified with a compound of the formula [2]: wherein R1 represents a substituted alkyl group, etc; R2 represents H, etc; wherein R3 represents a linear hydrocarbon group, etc; R4 represents a hydrogen atom, etc.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: February 28, 2012
    Assignee: Fujifilm Corporation
    Inventors: Masataka Yoshizawa, Naotsugu Muro
  • Patent number: 8114813
    Abstract: A thermal transfer ink sheet comprising, as formed on a support, a dye layer containing a thermal transferable dye in a resin binder, wherein the dye layer contains a polyvinyl acetal modified with at least one compound of the following formula [1]: wherein one of R1 and R2 is a branched hydrocarbon group and the other is a hydrogen atom or a hydrocarbon group, or R1 and R2 are groups that bond to each other to form a cyclic hydrocarbon.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: February 14, 2012
    Assignee: Fujifilm Corporation
    Inventors: Masataka Yoshizawa, Naotsugu Muro
  • Patent number: 8105978
    Abstract: A thermal transfer ink sheet comprising, as formed on a support, a dye layer containing a thermal transferable dye in a resin binder, wherein the dye layer contains a polyvinyl acetal modified with at least one compound of the following formula [1]: wherein R1 is a substituted linear alkyl group, a substituted branched alkyl group, or a substituted or unsubstituted cyclic group, and R2 is a hydrogen atom, a substituted or unsubstituted linear alkyl group, a substituted or unsubstituted branched alkyl group, or a substituted or unsubstituted cyclic group.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: January 31, 2012
    Assignee: Fujifilm Corporation
    Inventors: Masataka Yoshizawa, Naotsugu Muro
  • Patent number: 8053040
    Abstract: A composition comprising at least one liquid crystal compound, and at least one polymer is disclosed. The polymer comprises a constitutional unit represented by a following formula (A) and a constitutional unit derived from a monomer having a fluoroaliphatic group(s): wherein Mp represents a trivalent group constituting fully or partially a polymer main chain; L represents a single bond or a divalent linking group; and X represents a substituted or non-substituted aromatic condensed ring group.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: November 8, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Yi Li, Hideyuki Nishikawa, Yuta Takahashi, Masataka Yoshizawa, Takafumi Hosokawa
  • Patent number: 8039098
    Abstract: A coating composition capable of improving evenness in drying and evenness in airing and causing no impairment of evenness in coating, which is useful for an antireflective film having high uniformity in surface conditions and attaining sufficient antireflection performance and for a polarizing plate and a display device each using such an antireflective film.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: October 18, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Masataka Yoshizawa, Masaki Noro, Takato Suzuki
  • Publication number: 20110244270
    Abstract: An aspect of the present invention relates to a binder composition for a magnetic recording medium, which comprises a vinyl copolymer comprising a structural unit denoted by general formula [1]: wherein, in general formula [1], R1 denotes a hydrogen atom, a halogen atom, or a methyl group, L1 denotes a single bond or a divalent linking group, and Y an alicyclic group; a structural unit denoted by general formula [2]: wherein, in general formula [2], R2 denotes a hydrogen atom, a halogen atom, or a methyl group, L2 denotes a single bond or a divalent linking group, and Z denotes a hydrocarbon group with a carbon number ranging from 8 to 50; and a structural unit denoted by general formula [3]: wherein, in general formula [3], R3 denotes a hydrogen atom, a halogen atom, or a methyl group, and L3 denotes a single bond or a divalent linking group.
    Type: Application
    Filed: March 31, 2011
    Publication date: October 6, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Masataka YOSHIZAWA, Ayako MATSUMOTO, Satoshi MATSUBAGUCHI
  • Patent number: 7951750
    Abstract: An image-forming method, having: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with a thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy in accordance with image signals given from a thermal head, thereby to form an image; wherein the heat-sensitive transfer sheet has the thermal transfer layer that contains a thermally transferable colorant on one surface of a substrate film, and a heat-resistant sliding layer that is formed so as to contain a hardener on the other surface; and wherein the heat-sensitive transfer image-receiving sheet has, on a support, the at least one receptor layer that contains a latex polymer, and at least one heat insulation layer that contains hollow polymer particles but does not contain a resin having poor resistance to an organic solvent.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: May 31, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Takuya Arai, Kazuaki Oguma, Toshihide Yoshitani, Masataka Yoshizawa, Yoshihisa Tsukada
  • Publication number: 20110076517
    Abstract: An aspect of the present invention relates to a binder composition for a magnetic recording medium, which comprises a vinyl copolymer comprising a structural unit denoted by general formula [1],: wherein, in general formula [1], R1 denotes a hydrogen atom, a halogen atom, or a methyl group, L1 denotes a single bond or a divalent linking group, and Y an alicyclic group; a structural unit denoted by general formula [2]: wherein, in general formula [2], R2 denotes a hydrogen atom, a halogen atom, or a methyl group, L2 denotes a single bond or a divalent linking group, and Z denotes a hydrocarbon group with a carbon number ranging from 8 to 50; and a structural unit denoted by general formula [3]: wherein, in general formula [3], R3 denotes a hydrogen atom, a halogen atom, or a methyl group, and L3 denotes a single bond or a divalent linking group.
    Type: Application
    Filed: September 28, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Masataka YOSHIZAWA, Masato Nagura, Satoshi Matsubaguchi, Ayako Matsumoto
  • Patent number: 7863218
    Abstract: A coating composition for producing a heat-sensitive transfer image-receiving sheet comprising at least one receiving layer on a support, wherein the coating composition contains a polymer latex containing a repeating unit derived from a monomer represented by the following formula: wherein R1 represents a hydrogen atom, halogen atom or methyl group; L1 represents a divalent connecting group; and Z represents a C8-C50 straight-chain, branched or cyclic hydrocarbon group.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: January 4, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Toshihide Yoshitani, Masataka Yoshizawa, Takuya Arai
  • Patent number: 7737305
    Abstract: A compound represented by the Formula (1) below is provided: wherein X denotes a divalent linking group, R1 and R2 independently denote an alkyl group having 3 or more carbons and having at least one hydroxy group or an aralkyl group having 8 or more carbons and having at least one hydroxy group, the alkyl group and aralkyl group may have a substituent, and M denotes a hydrogen atom or a cation. There is also provided a polyurethane resin obtained by polymerization of a polyisocyanate and a polyol that includes the compound. There is also provided a magnetic recording medium that includes a non-magnetic support and, above the support, at least one magnetic layer including a ferromagnetic powder dispersed in a binder that includes the polyurethane resin.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: June 15, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Kazufumi Omura, Masahiko Mori, Katsumi Araki, Masataka Yoshizawa
  • Patent number: 7737304
    Abstract: A compound represented by the Formula (1) below is provided: wherein X denotes a divalent linking group, R1 and R2 independently denote an alkyl group having 3 or more carbons and having at least one hydroxy group or an aralkyl group having 8 or more carbons and having at least one hydroxy group, the alkyl group and aralkyl group may have a substituent, and M denotes a hydrogen atom or a cation. There is also provided a polyurethane resin obtained by polymerization of a polyisocyanate and a polyol that includes the compound. There is also provided a magnetic recording medium that includes a non-magnetic support and, above the support, at least one magnetic layer including a ferromagnetic powder dispersed in a binder that includes the polyurethane resin.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: June 15, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Kazufumi Omura, Masahiko Mori, Katsumi Araki, Masataka Yoshizawa