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).
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Patent number: 10113040Abstract: 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: GrantFiled: September 2, 2015Date of Patent: October 30, 2018Assignee: FUJIFILM CORPORATIONInventors: Yasukazu Kuwayama, Nobutaka Fukagawa, Hiroshi Inada, Masaki Noro, Yoshitaka Maeda, Naozumi Shiraiwa, Yu Naito
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Patent number: 10040754Abstract: 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: GrantFiled: August 25, 2015Date of Patent: August 7, 2018Assignee: FUJIFILM CorporationInventors: Hiroshi Inada, Naozumi Shiraiwa, Yingjie Xu, Aiko Yoshida, Masaki Noro, Yasukazu Kuwayama, Nobutaka Fukagawa
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Patent number: 9850356Abstract: An optical film comprising a cellulose acylate film which comprises a compound denoted by formula 2 below: wherein each of R10 and R11 independently denotes a substituent linked to the triazine ring through —NR12— or —CO—; R12 denotes a hydrogen atom or an optionally substituted alkyl group; n denotes 1; and —X1—R1 is selected from the group consisting of partial structures 11 to 14:Type: GrantFiled: September 2, 2015Date of Patent: December 26, 2017Assignee: FUJIFILM CorporationInventors: Hiroshi Inada, Naozumi Shiraiwa, Yingjie Xu, Yasukazu Kuwayama, Nobutaka Fukagawa, Masaki Noro
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Patent number: 9718933Abstract: 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: GrantFiled: January 5, 2016Date of Patent: August 1, 2017Assignee: FUJIFILM CorporationInventors: Masaki Noro, Hiroshi Inada, Yoshinori Kanazawa, Aiko Yoshida, Yasukazu Kuwayama
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Patent number: 9656969Abstract: 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: GrantFiled: February 17, 2016Date of Patent: May 23, 2017Assignee: FUJIFILM CorporationInventors: Aiko Yamamoto, Satoshi Tanaka, Teruki Niori, Masato Nagura, Masaki Noro, Aiko Yoshida, Nobutaka Fukagawa, Yasukazu Kuwayama
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Patent number: 9551813Abstract: 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: GrantFiled: August 28, 2015Date of Patent: January 24, 2017Assignee: FUJIFILM CORPORATIONInventors: Aiko Yoshida, Yutaka Nozoe, Yoshinori Kanazawa, Yasukazu Kuwayama, Yu Naito
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Publication number: 20160370522Abstract: 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: ApplicationFiled: August 31, 2016Publication date: December 22, 2016Applicant: FUJIFILM CorporationInventors: Yasukazu KUWAYAMA, Hiroshi INADA, Aiko YOSHIDA, Yoshitaka MAEDA, Yusuke INO, Shuuji KANAYAMA, Nobutaka FUKAGAWA
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Publication number: 20160159750Abstract: 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: ApplicationFiled: February 17, 2016Publication date: June 9, 2016Applicant: FUJIFILM CorporationInventors: Aiko YAMAMOTO, Satoshi TANAKA, Teruki NIORI, Masato NAGURA, Masaki NORO, Aiko YOSHIDA, Nobutaka FUKAGAWA, Yasukazu KUWAYAMA
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Publication number: 20160139303Abstract: 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: ApplicationFiled: January 21, 2016Publication date: May 19, 2016Applicant: FUJIFILM CorporationInventors: Aiko YOSHIDA, Naozumi SHIRAIWA, Hiroshi INADA, Yasukazu KUWAYAMA, Nobutaka FUKAGAWA, Yingjie XU, Masaki NORO
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Publication number: 20160122516Abstract: 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: ApplicationFiled: January 8, 2016Publication date: May 5, 2016Applicant: FUJIFILM CorporationInventors: Masaki NORO, Yutaka NOZOE, Hiroshi INADA, Naoya SHIMOJU, Aiko YOSHIDA, Yu NAITO, Yasukazu KUWAYAMA
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Publication number: 20160122486Abstract: 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: ApplicationFiled: January 5, 2016Publication date: May 5, 2016Applicant: FUJIFILM CorporationInventors: Masaki NORO, Hiroshi INADA, Yoshinori KANAZAWA, Aiko YOSHIDA, Yasukazu KUWAYAMA
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Patent number: 9296877Abstract: 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: GrantFiled: August 27, 2014Date of Patent: March 29, 2016Assignee: FUJIFILM CORPORATIONInventors: Aiko Yamamoto, Satoshi Tanaka, Teruki Niori, Masato Nagura, Masaki Noro, Aiko Yoshida, Nobutaka Fukagawa, Yasukazu Kuwayama
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Publication number: 20160060405Abstract: 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: ApplicationFiled: September 2, 2015Publication date: March 3, 2016Applicant: FUJIFILM CORPORATIONInventors: Yasukazu KUWAYAMA, Nobutaka FUKAGAWA, Hiroshi INADA, Masaki NORO, Yoshitaka MAEDA, Naozumi SHIRAIWA, Yu NAITO
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Publication number: 20160060406Abstract: 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: ApplicationFiled: September 2, 2015Publication date: March 3, 2016Applicant: FUJIFILM CorporationInventors: Hiroshi INADA, Naozumi SHIRAIWA, Yingjie XU, Yasukazu KUWAYAMA, Nobutaka FUKAGAWA, Masaki NORO
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Publication number: 20160039994Abstract: 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: ApplicationFiled: October 15, 2015Publication date: February 11, 2016Applicant: FUJIFILM CORPORATIONInventors: Naozumi SHIRAIWA, Hiroshi INADA, Aiko YOSHIDA, Yasukazu KUWAYAMA
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Publication number: 20150369960Abstract: 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: ApplicationFiled: August 28, 2015Publication date: December 24, 2015Applicant: FUJIFILM CorporationInventors: Aiko YOSHIDA, Yutaka NOZOE, Yoshinori KANAZAWA, Yasukazu KUWAYAMA, Yu NAITO
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Publication number: 20150361036Abstract: 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: ApplicationFiled: August 25, 2015Publication date: December 17, 2015Applicant: FUJIFILM CorporationInventors: Hiroshi INADA, Naozumi SHIRAIWA, Yingjie XU, Aiko YOSHIDA, Masaki NORO, Yasukazu KUWAYAMA, Nobutaka FUKAGAWA
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Publication number: 20140363588Abstract: 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: ApplicationFiled: August 27, 2014Publication date: December 11, 2014Applicant: FUJIFILM CorporationInventors: Aiko YAMAMOTO, Satoshi TANAKA, Teruki NIORI, Masato NAGURA, Masaki NORO, Aiko YOSHIDA, Nobutaka FUKAGAWA, Yasukazu KUWAYAMA
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Patent number: 8871314Abstract: 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: GrantFiled: May 31, 2013Date of Patent: October 28, 2014Assignee: FUJIFILM CorporationInventors: Aiko Yamamoto, Satoshi Tanaka, Teruki Niori, Masato Nagura, Masaki Noro, Aiko Yoshida, Nobutaka Fukagawa, Yasukazu Kuwayama
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Publication number: 20130266744Abstract: 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: ApplicationFiled: May 31, 2013Publication date: October 10, 2013Inventors: Aiko YAMAMOTO, Satoshi TANAKA, Teruki NIORI, Masato NAGURA, Masaki NORO, Aiko YOSHIDA, Nobutaka FUKAGAWA, Yasukazu KUWAYAMA