Patents by Inventor Naoka HAMADA
Naoka HAMADA 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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Publication number: 20240279497Abstract: An aqueous dispersion and a film forming method are provided. The aqueous dispersion contains water and particles including a resin and a photoradical generator and having a polymerizable group. The polymerizable group includes an ethylenic double bond. The proportion of the number of moles of the photoradical generator relative to the number of moles of the ethylenic double bonds in the particles is 4 mol % or more, and the proportion of the number of moles of the photoradical generator present as a solid relative to the total number of moles of the photoradical generator is 5 mol % or less.Type: ApplicationFiled: March 14, 2024Publication date: August 22, 2024Inventors: Shinichiro SEKINE, Shota SUZUKI, Naoka HAMADA
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Patent number: 12049569Abstract: A colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain an oil-soluble dye and a polymer P containing a structural unit represented by Formula (1), a structural unit represented by Formula (2), and a hydrophilic group, an ink, an ink set, and an inkjet printing method. L1 represents a chain hydrocarbon group having 4 to 10 carbon atoms, two *1's each represent a bonding position, L2 represents a chain hydrocarbon group having 2 to 25 carbon atoms which may contain an oxygen atom or the like, or a polymer chain having a number-average molecular weight of 500 or greater, Y1 and Y2 each independently represent —O—, —S—, or, —NRz-, Rz represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and two *2's each represent a bonding position.Type: GrantFiled: July 18, 2021Date of Patent: July 30, 2024Assignee: FUJIFILM CorporationInventors: Noriaki Sato, Shota Suzuki, Naoka Hamada, Ryoichi Nakano, Masao Ikoshi
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Publication number: 20240182383Abstract: There are provided a compound having at least two phosphor moieties and a structure represented by General Formula (I), and a labeled biological substance. In the formula, X1 to X3 represent —O—, —S—, >NR1, or >CR2R3. R1 to R3 represent a hydrogen atom or a substituent. La and Lb represents a single bond or a divalent linking group. n is an integer of 2 or more. However, at least one among R1 to R3, which are contained in a structure parenthesized in ( )n, La, and Lb includes -(L-O)gRE, where -(L-O)gRE in each of these groups is not bonded to at least any one of a phosphor or a biological substance. L represents an alkylene group, RE represents a hydrogen atom or an alkyl group, and g is 1 to 24. * represents a bonding site.Type: ApplicationFiled: January 12, 2024Publication date: June 6, 2024Applicant: FUJIFILM CorporationInventors: Kenji SHIROKANE, Yuji YOSHIMITSU, Naoka HAMADA
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Publication number: 20240173437Abstract: There are provided a compound having two or more phosphor moieties of which light absorption characteristics are equivalent to each other, in which the phosphor moieties adjacent to each other are each linked through a group including a structure represented by General Formula (I), and a labeled biological substance using the compound. In the formula, X1 to X3 represent —O—, —S—, >NR1, or >CR2R3. R1 to R3 represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heteroaryl group, an acyl group, —NR8R9, —OR10, or an anionic group. R1 to R10 represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, an aryl group, a heteroaryl group, or an anionic group. n is an integer of 2 or more. * represents a bonding site.Type: ApplicationFiled: January 12, 2024Publication date: May 30, 2024Applicant: FUJIFILM CorporationInventors: Kenji SHIROKANE, Yuji Yoshimitsu, Naoka Hamada, Yoshinori Kanazawa, Hiroaki Tanaka
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Publication number: 20240165240Abstract: There are provided a compound having a phosphor moiety and a structure represented by General Formula (I), and a labeled biological substance. In the formula, A1 represents a structure represented by General Formula (a1), A2 represents a structure represented by General Formula (a2), and B represents a structure represented by General Formula (b), In the formulae, X1 to X6 represent —O—, —S—, >NR1, or >CR2R3. R1 to R3 represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, an aryl group, a heteroaryl group, —NR9R10, —OR11, or an anionic group. R9 to R11 represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, an aryl group, or a heteroaryl group. Y1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heteroaryl group. L1 represents a divalent linking group. l, m, n, and p are an integer of 1 or more. * represents a bonding site.Type: ApplicationFiled: January 12, 2024Publication date: May 23, 2024Applicant: FUJIFILM CorporationInventors: Naoka HAMADA, Kenji SHIROKANE, Yuji YOSHIMITSU
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Publication number: 20240132481Abstract: There are provided a compound of Formula (1) and a labeled biological substance having the compound. A ring Z1 and a ring Z2 represent a 6-membered ring formed of a ring-constituting atom selected from a carbon atom and a nitrogen atom. R1 to R4, R11 to R13, L1, and L2 represents specific groups, and n, ?1, and ?2 represent specific numbers. At least one of R11, R12, or R13 contains a carboxy group or a substituent capable of being bonded to a biological substance. the compound represented by Formula (1) has at least one structure represented by —(CH2—CH2—O)m—R21, where R21 represents a specific group, and m represents a specific number. The compound represented by Formula (1) is a neutral compound.Type: ApplicationFiled: November 19, 2023Publication date: April 25, 2024Applicant: FUJIFILM CorporationInventors: Yoshinori Kanazawa, Kousuke Watanabe, Hiroaki Tanaka, Hiyoku Nakata, Naoka Hamada, Kazuoki Komiyama, Kazuki Kawai
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Patent number: 11926125Abstract: Provided are a colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain a water-insoluble chain polymer and at least one dye selected from the group consisting of an oil-soluble dye, a disperse dye and a vat dye, and the water-insoluble chain polymer has a structure represented by the following General Formula (G), a cyclic structure, and a hydrophilic group, an ink manufactured using the colored resin particle dispersion, an ink set having the ink, an inkjet printing method using the ink, and a method of manufacturing the colored resin particle dispersion. In the General Formula (G), Rg represents a hydrogen atom or a substituent, Lg represents —O—, —S—, or —NRz-, Rz represents a hydrogen atom or a substituent, and * represents a bonding position.Type: GrantFiled: January 20, 2021Date of Patent: March 12, 2024Assignee: FUJIFILM CorporationInventors: Shota Suzuki, Noriaki Sato, Naoka Hamada, Ryoichi Nakano, Masao Ikoshi
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Publication number: 20220380613Abstract: An ink composition including water, a pigment, a pigment dispersion polymer A, and a water-soluble polymer B different from the pigment dispersion polymer A, in which the water-soluble polymer B contains a specific acid group and a constitutional unit represented by Formula (1), an ink set, and an image recording method. R1, R11, Y1, and Y2 each independently represent a hydrogen atom or a monovalent substituent, and L1 and L2 each independently represent a divalent linking group or a single bond. Y1 and Y2 may be bonded to each other to form a nitrogen-containing heterocycle with L1, L2, and N.Type: ApplicationFiled: July 26, 2022Publication date: December 1, 2022Applicant: FUJIFILM CorporationInventors: Naoka Hamada, Atsushi Kaeriyama, Shota Suzuki, Fumiko Tamakuni
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Publication number: 20220372320Abstract: An ink set including an ink containing water, a pigment, a pigment dispersion polymer A, and a water-soluble polymer B, and a treatment liquid containing water and at least one selected from the group consisting of a polyvalent metal salt, an acidic compound, and a cationic polymer, in which the pigment dispersion polymer A contains a specific acid group and an aromatic ring, and the water-soluble polymer B contains a specific acid group and a constitutional unit represented by General Formula (1), and in the ink, a mass ratio of a content concentration of the water-soluble polymer B to a content concentration of the pigment dispersion polymer A in a liberated polymer is 1.6 or more, and an image recording method. R1 represents a hydrogen atom or a monovalent substituent, Y1 represents a monovalent substituent, A1 represents —O—, and L1 is a divalent linking group.Type: ApplicationFiled: July 22, 2022Publication date: November 24, 2022Applicant: FUJIFILM CorporationInventors: Naoka HAMADA, Atsushi KAERIYAMA, Shota SUZUKI
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Publication number: 20220213341Abstract: Provided are a colored resin particle dispersion containing water and colored resin particles containing a polymer P containing a hydrophilic group and an oil-soluble dye, in which the oil-soluble dye includes an oil-soluble dye (D) obtained by modifying a water-soluble reactive dye with an alkyl group having 4 or more carbon atoms, or exchanging a counter cation in an acid dye with an organic cation containing an alkyl group having 4 or more carbon atoms, an ink, an ink set, an ink jet textile printing method, and a printed textile product.Type: ApplicationFiled: March 25, 2022Publication date: July 7, 2022Inventors: Shota SUZUKI, Fumiko TAMAKUNI, Naoka HAMADA, Noriaki SATO
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Publication number: 20210340399Abstract: A colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain an oil-soluble dye and a polymer P containing a structural unit represented by Formula (1), a structural unit represented by Formula (2), and a hydrophilic group, an ink, an ink set, and an inkjet printing method. L1 represents a chain hydrocarbon group having 4 to 10 carbon atoms, two *1's each represent a bonding position, L2 represents a chain hydrocarbon group having 2 to 25 carbon atoms which may contain an oxygen atom or the like, or a polymer chain having a number-average molecular weight of 500 or greater, Y1 and Y2 each independently represent —O—, —S—, or, —NRz-, Rz represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and two *2's each represent a bonding position.Type: ApplicationFiled: July 18, 2021Publication date: November 4, 2021Applicant: FUJIFILM CorporationInventors: Noriaki SATO, Shota SUZUKI, Naoka HAMADA, Ryoichi NAKANO, Masao IKOSHI
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Publication number: 20210138776Abstract: Provided are a colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain a water-insoluble chain polymer and at least one dye selected from the group consisting of an oil-soluble dye, a disperse dye and a vat dye, and the water-insoluble chain polymer has a structure represented by the following General Formula (G), a cyclic structure, and a hydrophilic group, an ink manufactured using the colored resin particle dispersion, an ink set having the ink, an inkjet printing method using the ink, and a method of manufacturing the colored resin particle dispersion. In the General Formula (G), Rg represents a hydrogen atom or a substituent, Lg represents —O—, —S—, or —NRz-, Rz represents a hydrogen atom or a substituent, and * represents a bonding position.Type: ApplicationFiled: January 20, 2021Publication date: May 13, 2021Applicant: FUJIFILM CorporationInventors: Shota SUZUKI, Noriaki SATO, Naoka HAMADA, Ryoichi NAKANO, Masao IKOSHI