Patents by Inventor Yasukazu KUWAYAMA

Yasukazu KUWAYAMA 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: 9656969
    Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: May 23, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Aiko Yamamoto, Satoshi Tanaka, Teruki Niori, Masato Nagura, Masaki Noro, Aiko Yoshida, Nobutaka Fukagawa, Yasukazu Kuwayama
  • Patent number: 9551813
    Abstract: An optical film including cellulose acylate and a compound represented by General Formula (I) described below, a polarizing plate, and a liquid crystal display device; R1 and R3 represent hydrogen atoms, alkyl groups having 1 to 20 carbon atoms, cycloalkyl groups having 3 to 20 carbon atoms, alkenyl groups having 2 to 20 carbon atoms, or aromatic groups having 6 to 20 carbon atoms. R5 represents a hydrogen atom, an unsubstituted alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, or an aralkyl group represented by -L5-Ar5 (L5 represents an alkylene group having 1 to 20 carbon atoms and Ar5 represents an aromatic group having 6 to 20 carbon atoms). Here, the total of ring structures present in R1, R3, and R5 is one or two.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: January 24, 2017
    Assignee: FUJIFILM CORPORATION
    Inventors: Aiko Yoshida, Yutaka Nozoe, Yoshinori Kanazawa, Yasukazu Kuwayama, Yu Naito
  • Publication number: 20160370522
    Abstract: A cellulose ester film contains a compound having a structural unit denoted by —NR—(C?O)— in which R represents a hydrogen atom or a substituent, a surface having knoop hardness of greater than or equal to 210 N/mm2 is provided, and loss tangent tan ? at 25° C. is greater than or equal to 0.03.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yasukazu KUWAYAMA, Hiroshi INADA, Aiko YOSHIDA, Yoshitaka MAEDA, Yusuke INO, Shuuji KANAYAMA, Nobutaka FUKAGAWA
  • Publication number: 20160159750
    Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Aiko YAMAMOTO, Satoshi TANAKA, Teruki NIORI, Masato NAGURA, Masaki NORO, Aiko YOSHIDA, Nobutaka FUKAGAWA, Yasukazu KUWAYAMA
  • Publication number: 20160139303
    Abstract: Disclosed is a cellulose acylate film containing a compound having at least one connecting group selected from a group consisting of a bivalent connecting group denoted by —NH—(C?O)—O— and a bivalent connecting group denoted by —NH—(C?O)—NR— in which R represents a hydrogen atom or a substituent group, and at least one polar group which is a residue of a compound having a C log P value of less than or equal to 0.85 (however, an aromatic hetero ring-containing group which is a residue of a compound having a C log P value of less than or equal to 0.85 is excluded from the polar group), in which an equivalent weight U obtained as a value which is obtained by dividing a molecular weight by the number of connecting groups included in one molecule is less than or equal to 515.
    Type: Application
    Filed: January 21, 2016
    Publication date: May 19, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Aiko YOSHIDA, Naozumi SHIRAIWA, Hiroshi INADA, Yasukazu KUWAYAMA, Nobutaka FUKAGAWA, Yingjie XU, Masaki NORO
  • Publication number: 20160122486
    Abstract: The invention is an optical film at least containing cellulose acylate and a compound having a structure denoted by General Formula (I) described below, and a polarizing plate and a liquid crystal display device employing the optical film. R1 and R3 represent a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, a cycloalkenyl group, or an aryl group, and R5a and R5b represent an alkyl group, an alkenyl group, a cycloalkyl group, a cycloalkenyl group, an aryl group, or a heterocyclic group. R1, R3, R5a, and R5b may have a substituent group.
    Type: Application
    Filed: January 5, 2016
    Publication date: May 5, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Masaki NORO, Hiroshi INADA, Yoshinori KANAZAWA, Aiko YOSHIDA, Yasukazu KUWAYAMA
  • Publication number: 20160122516
    Abstract: The inventions are an optical film containing cellulose acylate and a compound having a structure denoted by General Formula (A) described below, and a polarizing plate and a liquid crystal display device employing the optical film. L represents n-valent connecting group, n represents an integer of greater than or equal to 2, and A represents a heterocyclic group denoted by General Formula (I). R1, R3, and R5 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group, or a heteroaryl group. Here, any one of R1, R3, and R5 is bonded to L.
    Type: Application
    Filed: January 8, 2016
    Publication date: May 5, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Masaki NORO, Yutaka NOZOE, Hiroshi INADA, Naoya SHIMOJU, Aiko YOSHIDA, Yu NAITO, Yasukazu KUWAYAMA
  • Patent number: 9296877
    Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: March 29, 2016
    Assignee: FUJIFILM CORPORATION
    Inventors: Aiko Yamamoto, Satoshi Tanaka, Teruki Niori, Masato Nagura, Masaki Noro, Aiko Yoshida, Nobutaka Fukagawa, Yasukazu Kuwayama
  • Publication number: 20160060405
    Abstract: The polymer film comprises a carbonyl bond-containing polymer and a compound having ?h of equal to or higher than 11.0 and ?? of equal to or lower than 1.50, wherein the ?h is a value of hydrogen-bonding capacity calculated by Hoy method and the ?? is a value calculated by equation 1: ??=|x?13.3|??Equation 1 wherein, in equation 1, ? represents an interatomic distance in the polymer film between atoms most distant from each other among molecules in the compound, excluding a hydrogen atom, calculated by molecular dynamics calculation.
    Type: Application
    Filed: September 2, 2015
    Publication date: March 3, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Yasukazu KUWAYAMA, Nobutaka FUKAGAWA, Hiroshi INADA, Masaki NORO, Yoshitaka MAEDA, Naozumi SHIRAIWA, Yu NAITO
  • Publication number: 20160060406
    Abstract: The cellulose acylate film includes a compound denoted by formula 1 below: wherein, in formula 1, Het denotes an optionally substituted aromatic hetero ring; X1 denotes a single bond or a group selected from the group consisting of —O—, —NR2—, —CR3R4—, —S—, and —CO—; each of R2, R3, and R4 independently denotes a hydrogen atom or a substituent; R1 denotes a partial structure of valence n, with n denoting an integer greater than or equal to 1; wherein the compound includes at least one group selected from the group consisting of —NH— and —CO— per molecule, and at least one group selected from the group consisting of —X2—(C?X4)—X3—, —NR5—(SO2)—, —CO—NR6—CO—, —O—, —S—, —COOH, —CN, —NR7R8, —OH, and —SH per molecule.
    Type: Application
    Filed: September 2, 2015
    Publication date: March 3, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Hiroshi INADA, Naozumi SHIRAIWA, Yingjie XU, Yasukazu KUWAYAMA, Nobutaka FUKAGAWA, Masaki NORO
  • Publication number: 20160039994
    Abstract: Provided is an optical film which is excellent in adhesiveness with a hard coat layer after a light resistance test, excellent in surface hardness, and excellent in the shape of the surface. The optical film contains cellulose acylate and a compound represented by the following Formula (I). In Formula (I), L represents a linking group of (n1+n2) valence of which the number of atoms linking A1 to A2 is less than or equal to 8; here, n1+n2 represents an integer of greater than or equal to 2, n1 represents an integer of greater than or equal to 1, and n2 represents an integer of greater than or equal to 0; and A1 represents a group represented by Formula (II) and A2 represents a group represented by Formula (III).
    Type: Application
    Filed: October 15, 2015
    Publication date: February 11, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Naozumi SHIRAIWA, Hiroshi INADA, Aiko YOSHIDA, Yasukazu KUWAYAMA
  • Publication number: 20150369960
    Abstract: An optical film including cellulose acylate and a compound represented by General Formula (I) described below, a polarizing plate, and a liquid crystal display device; R1 and R3 represent hydrogen atoms, alkyl groups having 1 to 20 carbon atoms, cycloalkyl groups having 3 to 20 carbon atoms, alkenyl groups having 2 to 20 carbon atoms, or aromatic groups having 6 to 20 carbon atoms. R5 represents a hydrogen atom, an unsubstituted alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, or an aralkyl group represented by -L5-Ar5 (L5 represents an alkylene group having 1 to 20 carbon atoms and Ar5 represents an aromatic group having 6 to 20 carbon atoms). Here, the total of ring structures present in R1, R3, and R5 is one or two.
    Type: Application
    Filed: August 28, 2015
    Publication date: December 24, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Aiko YOSHIDA, Yutaka NOZOE, Yoshinori KANAZAWA, Yasukazu KUWAYAMA, Yu NAITO
  • Publication number: 20150361036
    Abstract: A cellulose acylate film, which includes a compound denoted by general formula (I) below, the equivalent U of which, calculated as a value obtained by dividing the molecular weight of the compound by the number of divalent linking groups denoted by —O—C(?O)—NH— contained per molecule, is less than or equal to 515, wherein, in general formula (I), each of L11 and L21 independently denotes an optionally substituted alkylene group; each of L12 and L22 independently denotes a single bond, any one of or any combination of —O—, —NR1—, —S— and —C(?O)—; R1 denotes a hydrogen atom or a substituent; each of n1 and n2 independently denotes an integer of 0 to 20, with at least either n1 or n2 being an integer of greater than or equal to 1.
    Type: Application
    Filed: August 25, 2015
    Publication date: December 17, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Hiroshi INADA, Naozumi SHIRAIWA, Yingjie XU, Aiko YOSHIDA, Masaki NORO, Yasukazu KUWAYAMA, Nobutaka FUKAGAWA
  • Publication number: 20140363588
    Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group.
    Type: Application
    Filed: August 27, 2014
    Publication date: December 11, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Aiko YAMAMOTO, Satoshi TANAKA, Teruki NIORI, Masato NAGURA, Masaki NORO, Aiko YOSHIDA, Nobutaka FUKAGAWA, Yasukazu KUWAYAMA
  • Patent number: 8871314
    Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group. R1 and R2 are a hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, or heterocyclic group.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: October 28, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Aiko Yamamoto, Satoshi Tanaka, Teruki Niori, Masato Nagura, Masaki Noro, Aiko Yoshida, Nobutaka Fukagawa, Yasukazu Kuwayama
  • Publication number: 20130266744
    Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group.
    Type: Application
    Filed: May 31, 2013
    Publication date: October 10, 2013
    Inventors: Aiko YAMAMOTO, Satoshi TANAKA, Teruki NIORI, Masato NAGURA, Masaki NORO, Aiko YOSHIDA, Nobutaka FUKAGAWA, Yasukazu KUWAYAMA