Patents by Inventor Reiko FUKAGAWA
Reiko FUKAGAWA 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: 11939462Abstract: The present invention provides a functional film including a copolymer that contains a repeating unit represented by Formula (I) and a repeating unit represented by Formula (II) shown in the description, or a crosslinked reaction product derived from the copolymer; a polarizing plate having this functional film; and a display device.Type: GrantFiled: October 6, 2020Date of Patent: March 26, 2024Assignee: FUJIFILM CorporationInventors: Taketo Otani, Daiki Wakizaka, Reiko Fukagawa, Akio Tamura
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Patent number: 11613596Abstract: A fluorine-containing copolymer composition includes repeating units derived from a fluorine-containing monomer represented by Formula (I) and from a monomer having at least two polymerizable groups, in which the latter is 3% by mass or more with respect to a total mass of the fluorine-containing copolymer, and the former is 15% by mass or more with respect to a total solid content in the composition, in the Formula (I), R1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R2 represents a group having at least one fluorine atom; and L1 represents a divalent linking group including at least one selected from the group consisting of —O—, —(C?O)O—, —O(C?O)—, —(C?O)NH—, —NH(C?O)—, a divalent aromatic group which may have a substituent, a divalent aliphatic chain group which may have a substituent, and a divalent aliphatic cyclic group which may have a substituent.Type: GrantFiled: December 12, 2019Date of Patent: March 28, 2023Assignee: FUJIFILM CorporationInventors: Reiko Fukagawa, Akio Tamura, Taketo Otani
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Patent number: 11078314Abstract: A copolymer includes a repeating unit of Formula (I) and a repeating unit of Formula (II), a composition includes the copolymer, and an optical film has a layer formed of the composition, in the Formulae (I) and (II), R1 and R2 represent a hydrogen atom or an alkyl group, L3 and L1 represent a divalent linking group, L2 represents a single bond or a divalent linking group, and L4 represents a single bond or a divalent linking group, L4 does not represent a linking group including —O(C?O)—NH—, X represents a perfluoropolyether group, an alkyl group having a branched structure in which hydrogen is all substituted into fluorine, an alkenyl group, or an alkynyl group, and Y represents a crosslinking group.Type: GrantFiled: September 9, 2019Date of Patent: August 3, 2021Assignee: FUJIFILM CorporationInventors: Reiko Fukagawa, Miho Asahi
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Patent number: 10920012Abstract: A copolymer includes a repeating unit represented by Formula (I); and a repeating unit represented by Formula (II), in Formula (I), R1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R2 represents an alkyl group having 1 to 20 carbon atoms and having at least one fluorine atom as a substituent, or a group including —Si(Ra3)(Ra4)O—; L represents a divalent linking group as defined herein; and Ra3 and Ra4 each independently represent an alkyl group as defined herein, in Formula (II), R10 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R11 and R12 each independently represent a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; R11 and R12 may be linked to each other; and X1 represents a divalent linking group.Type: GrantFiled: November 28, 2018Date of Patent: February 16, 2021Assignee: FUJIFILM CorporationInventors: Akio Tamura, Reiko Fukagawa, Taketo Otani
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Publication number: 20210024738Abstract: The present invention provides a functional film including a copolymer that contains a repeating unit represented by Formula (I) and a repeating unit represented by Formula (II) shown in the description, or a crosslinked reaction product derived from the copolymer; a polarizing plate having this functional film; and a display device.Type: ApplicationFiled: October 6, 2020Publication date: January 28, 2021Applicant: FUJIFILM CorporationInventors: Taketo OTANI, Daiki WAKIZAKA, Reiko FUKAGAWA, Akio TAMURA
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Patent number: 10836895Abstract: The present invention provides a functional film including a copolymer that contains a repeating unit represented by Formula (I) and a repeating unit represented by Formula (II) shown in the description, or a crosslinked reaction product derived from the copolymer; a polarizing plate having this functional film; and a display device.Type: GrantFiled: December 21, 2018Date of Patent: November 17, 2020Assignee: FUJIFILM CorporationInventors: Taketo Otani, Daiki Wakizaka, Reiko Fukagawa, Akio Tamura
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Patent number: 10641938Abstract: According to the present invention, there are provided a film forming composition, which contains a polymer having a repeating unit represented by General Formula (I) and a curable compound, an optical film having a film formed of the composition, a hardcoat film, a polarizing plate, and a method for manufacturing a hydrophilized hardcoat film. In General Formula (I), R1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, L represents an ester bond, an ether bond, a phenylene group, or an amide bond, R2 and R4 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a halogenated alkyl group having 1 to 20 carbon atoms, and R3 represents a hydrogen atom or a substituent.Type: GrantFiled: June 12, 2018Date of Patent: May 5, 2020Assignee: FUJIFILM CorporationInventors: Akio Tamura, Taketo Otani, Reiko Fukagawa
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Publication number: 20200115480Abstract: A fluorine-containing copolymer composition includes repeating units derived from a fluorine-containing monomer represented by Formula (I) and from a monomer having at least two polymerizable groups, in which the latter is 3% by mass or more with respect to a total mass of the fluorine-containing copolymer, and the former is 15% by mass or more with respect to a total solid content in the composition, in the Formula (I), R1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R2 represents a group having at least one fluorine atom; and L1 represents a divalent linking group including at least one selected from the group consisting of —O—, —(C?O)O—, —O(C?O)—, —(C?O)NH—, —NH(C?O)—, a divalent aromatic group which may have a substituent, a divalent aliphatic chain group which may have a substituent, and a divalent aliphatic cyclic group which may have a substituent.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Applicant: FUJIFILM CorporationInventors: Reiko FUKAGAWA, Akio TAMURA, Taketo OTANI
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Publication number: 20190389989Abstract: A copolymer includes a repeating unit of Formula (I) and a repeating unit of Formula (II), a composition includes the copolymer, and an optical film has a layer formed of the composition, in the Formulae (I) and (II), R1 and R2 represent a hydrogen atom or an alkyl group, L3 and L1 represent a divalent linking group, L2 represents a single bond or a divalent linking group, and L4 represents a single bond or a divalent linking group, L4 does not represent a linking group including —O(C?O)—NH—, X represents a perfluoropolyether group, an alkyl group having a branched structure in which hydrogen is all substituted into fluorine, an alkenyl group, or an alkynyl group, and Y represents a crosslinking group.Type: ApplicationFiled: September 9, 2019Publication date: December 26, 2019Applicant: FUJIFILM CorporationInventors: Reiko FUKAGAWA, Miho ASAHI
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Publication number: 20190136036Abstract: The present invention provides a functional film including a copolymer that contains a repeating unit represented by Formula (I) and a repeating unit represented by Formula (II) shown in the description, or a crosslinked reaction product derived from the copolymer; a polarizing plate having this functional film; and a display device.Type: ApplicationFiled: December 21, 2018Publication date: May 9, 2019Applicant: FUJIFILM CorporationInventors: Taketo OTANI, Daiki WAKIZAKA, Reiko FUKAGAWA, Akio TAMURA
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Publication number: 20190092899Abstract: A copolymer includes a repeating unit represented by Formula (I); and a repeating unit represented by Formula (II), in Formula (I), R1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R2 represents an alkyl group having 1 to 20 carbon atoms and having at least one fluorine atom as a substituent, or a group including —Si(Ra3)(Ra4)O—; L represents a divalent linking group as defined herein; and Ra3 and Ra4 each independently represent an alkyl group as defined herein, in Formula (II), R10 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R11 and R12 each independently represent a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; R11 and R12 may be linked to each other; and X1 represents a divalent linking group.Type: ApplicationFiled: November 28, 2018Publication date: March 28, 2019Applicant: Fujifilm CorporationInventors: Akio TAMURA, Reiko Fukagawa, Taketo Otani
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Publication number: 20180292589Abstract: According to the present invention, there are provided a film forming composition, which contains a polymer having a repeating unit represented by General Formula (I) and a curable compound, an optical film having a film formed of the composition, a hardcoat film, a polarizing plate, and a method for manufacturing a hydrophilized hardcoat film. In General Formula (I), R1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, L represents an ester bond, an ether bond, a phenylene group, or an amide bond, R2 and R4 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a halogenated alkyl group having 1 to 20 carbon atoms, and R3 represents a hydrogen atom or a substituent.Type: ApplicationFiled: June 12, 2018Publication date: October 11, 2018Applicant: FUJIFILM CorporationInventors: Akio TAMURA, Taketo OTANI, Reiko FUKAGAWA
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Publication number: 20180117888Abstract: A fluorine-containing copolymer includes: a repeating unit represented by General Formula (I) and a repeating unit represented by General Formula (II), a composition containing the fluorine-containing copolymer, an optical film having a layer formed of the composition, a hardcoat film, a polarizing plate, and a touch panel display, and a method for producing a fluorine-containing copolymer. R1, R10, and R3 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, R2 represents an alkyl group having 1 to 20 carbon atoms in which at least one carbon atom has a fluorine atom as a substituent, and L represents a divalent linking group constituted of at least one group selected from the group consisting of —O—, —(C?O)O—, —O(C?O)—, divalent chain-like groups, and divalent aliphatic cyclic groups.Type: ApplicationFiled: December 28, 2017Publication date: May 3, 2018Applicant: FUJIFILM CorporationInventors: Reiko FUKAGAWA, Akio TAMURA, Taketo OTANI
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Patent number: 9902865Abstract: An ink composition contains (component A) a high-molecular-weight polymerization initiator having a weight-average molecular weight of equal to or greater than 1,000, (component B) a polymerizable compound, and (component C) a colorant, in which the component A has an acylphosphine oxide structure, and the acylphosphine oxide structure is linked to a main chain or a core of the component A on the side of an acyl group thereof.Type: GrantFiled: August 6, 2015Date of Patent: February 27, 2018Assignee: FUJIFILM CorporationInventors: Katsuhiro Shimono, Reiko Fukagawa
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Patent number: 9822201Abstract: The invention relates to reflective particles containing a resin containing a structural unit derived from a compound represented by the following Formula (1), wherein in the formula (1), R represents a polymerizable group except a vinyl group, Ar represents an aromatic group, and W represents a single bond or a divalent linking group.Type: GrantFiled: August 17, 2015Date of Patent: November 21, 2017Assignee: FUJIFILM CorporationInventor: Reiko Fukagawa
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Patent number: 9646641Abstract: The magnetic coating composition for a magnetic recording medium comprises: (A) a compound denoted by formula (1) having a weight average molecular weight of equal to or less than 20,000: (A1-R2—S)n-R1—(P1)m??(1) wherein, in formula (1), R1 denotes an organic connecting group with a valence of (m+n); R2 denotes a single bond or divalent organic connecting group; A1 denotes a functional group selected from the group consisting of an acidic group, a basic group, and a hydroxyl group; m denotes an integer ranging from 1 to 8 and n denotes an integer ranging from 1 to 9, with m+n ranging from 3 to 10; each of n instances of A1 and R2 can be independently different or identical; P1 denotes a polymer backbone; and m instances of P1 can be identical or different; (B) binder; (C) ferromagnetic powder; and (D) solvent.Type: GrantFiled: September 26, 2014Date of Patent: May 9, 2017Assignee: FUJIFIM CorporationInventor: Reiko Fukagawa
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Publication number: 20150353661Abstract: The invention relates to reflective particles containing a resin containing a structural unit derived from a compound represented by the following Formula (1), wherein in the formula (1), R represents a polymerizable group except a vinyl group, Ar represents an aromatic group, and W represents a single bond or a divalent linking group.Type: ApplicationFiled: August 17, 2015Publication date: December 10, 2015Applicant: FUJIFILM CORPORATIONInventor: Reiko FUKAGAWA
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Publication number: 20150344711Abstract: An ink composition contains (component A) a high-molecular-weight polymerization initiator having a weight-average molecular weight of equal to or greater than 1,000, (component B) a polymerizable compound, and (component C) a colorant, in which the component A has an acylphosphine oxide structure, and the acylphosphine oxide structure is linked to a main chain or a core of the component A on the side of an acyl group thereof.Type: ApplicationFiled: August 6, 2015Publication date: December 3, 2015Applicant: FUJIFILM CORPORATIONInventors: Katsuhiro SHIMONO, Reiko FUKAGAWA
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Publication number: 20150197651Abstract: The object of the present invention is to provide an ink composition that is excellent in terms of adhesion to a recording medium, for which there is little leaching out (migration) of a component in the cured ink film, and that gives a printed material with suppressed odor, and an inkjet recording method and a printed material employing the ink composition, and also to provide a novel acylphosphine oxide compound. The ink composition of the present invention contains an acylphosphine oxide compound having an acyl group comprising a polymerizable functional group, and a polymerizable compound.Type: ApplicationFiled: March 25, 2015Publication date: July 16, 2015Applicant: FUJIFILM CORPORATIONInventor: Reiko FUKAGAWA
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Publication number: 20150093599Abstract: The magnetic coating composition for a magnetic recording medium comprises: (A) a compound denoted by formula (1) having a weight average molecular weight of equal to or less than 20,000: (A1-R2—S)n-R1—(P1)m ??(1) wherein, in formula (1), R1 denotes an organic connecting group with a valence of (m+n); R2 denotes a single bond or divalent organic connecting group; A1 denotes a functional group selected from the group consisting of an acidic group, a basic group, and a hydroxyl group; m denotes an integer ranging from 1 to 8 and n denotes an integer ranging from 1 to 9, with m+n ranging from 3 to 10; each of n instances of A1 and R2 can be independently different or identical; P1 denotes a polymer backbone; and m instances of P1 can be identical or different; (B) binder; (C) ferromagnetic powder; and (D) solvent.Type: ApplicationFiled: September 26, 2014Publication date: April 2, 2015Applicant: FUJIFILM CORPORATIONInventor: Reiko FUKAGAWA