Patents by Inventor Arika Tanaka
Arika Tanaka 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: 11945252Abstract: A recording medium includes a substrate, a first ink-receiving layer, and a second ink-receiving layer adjacent to the first ink-receiving layer, in this order. The first ink-receiving layer has a positive surface zeta potential, and the second ink-receiving layer has a negative surface zeta potential. The thickness of the second ink-receiving layer is 2 ?m to 15 ?m.Type: GrantFiled: May 2, 2022Date of Patent: April 2, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Ryo Taguri, Shinya Yumoto, Arika Tanaka, Toshihiro Omagari
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Publication number: 20230294129Abstract: A recording medium for producing a recorded matter having a three-dimensional image comprises: a substrate; and a foaming layer being provided on the substrate and containing a foaming material which foams with heat and a binder resin. A contact angle of water to a surface of the foaming layer 30 seconds after the water is brought into contact with the surface of the foaming layer is 30° or more and 80° or less, and a ratio of a diameter of a water droplet 30 seconds after the water is brought into contact with the surface of the foaming layer to a diameter of the water droplet 0.01 seconds after the water is brought into contact with the surface of the foaming layer is 1.3 times or less.Type: ApplicationFiled: March 13, 2023Publication date: September 21, 2023Inventors: OLIVIA HERLAMBANG, TOSHIHIRO OMAGARI, YOSHIYUKI NAGASE, TETSUFUMI SHIBA, TAKATOSHI TANAKA, ARIKA TANAKA
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Publication number: 20220355604Abstract: A recording medium includes a substrate, a first ink-receiving layer, and a second ink-receiving layer adjacent to the first ink-receiving layer, in this order. The first ink-receiving layer has a positive surface zeta potential, and the second ink-receiving layer has a negative surface zeta potential. The thickness of the second ink-receiving layer is 2 ?m to 15 ?m.Type: ApplicationFiled: May 2, 2022Publication date: November 10, 2022Inventors: Ryo Taguri, Shinya Yumoto, Arika Tanaka, Toshihiro Omagari
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Patent number: 11104174Abstract: There is provided an ink jet recording medium capable of recording images excellent in color developability and light resistance. The ink jet recording medium has a base material and an ink receiving layer provided on the base material. The ink receiving layer contains a wet silica, a binder, an ultraviolet absorber represented by the following general formula (1) (wherein R1 represents a hydrogen atom or a halogen atom; R2 and R3 each independently represent a hydrogen atom, an alkyl group, an alkyl group containing an ester group, or an alkylphenyl group), and a surfactant; in the ink receiving layer, the content of the ultraviolet absorber with respect to 100 parts by mass of the wet silica is 10 parts by mass or more and 20 parts by mass or less; and the surfactant is a polyoxyalkylene alkyl ether.Type: GrantFiled: February 24, 2020Date of Patent: August 31, 2021Assignee: Canon Kabushiki KaishaInventors: Yasuhiro Nito, Arika Tanaka, Yoshiyuki Kaneko
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Patent number: 10981405Abstract: A recording medium substrate in an aspect of the present invention is a recording medium substrate having a base paper and a stretched film layer on the base paper, wherein the stretched film layer has a thickness of 70 ?m or more, and the recording medium substrate has an average surface roughness of 0.3 ?m or less. A recording medium in another aspect of the present invention includes a recording medium substrate, a first ink receiving layer on the recording medium substrate, and a second ink receiving layer on the first ink receiving layer, wherein the first ink receiving layer is in contact with the second ink receiving layer, the first ink receiving layer contains an alumina hydrate and a hydroxy acid, the second ink receiving layer contains an alumina hydrate and a sulfonic acid.Type: GrantFiled: November 9, 2018Date of Patent: April 20, 2021Assignee: Canon Kabushiki KaishaInventors: Kazuhiko Araki, Tetsuro Noguchi, Arika Tanaka, Shoichi Takeda, Hiroo Miyamoto
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Publication number: 20200269625Abstract: There is provided an ink jet recording medium capable of recording images excellent in color developability and light resistance. The ink jet recording medium has a base material and an ink receiving layer provided on the base material. The ink receiving layer contains a wet silica, a binder, an ultraviolet absorber represented by the following general formula (1) (wherein R1 represents a hydrogen atom or a halogen atom; R2 and R3 each independently represent a hydrogen atom, an alkyl group, an alkyl group containing an ester group, or an alkylphenyl group), and a surfactant; in the ink receiving layer, the content of the ultraviolet absorber with respect to 100 parts by mass of the wet silica is 10 parts by mass or more and 20 parts by mass or less; and the surfactant is a polyoxyalkylene alkyl ether.Type: ApplicationFiled: February 24, 2020Publication date: August 27, 2020Inventors: Yasuhiro Nito, Arika Tanaka, Yoshiyuki Kaneko
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Publication number: 20190143728Abstract: A recording medium substrate in an aspect of the present invention is a recording medium substrate having a base paper and a stretched film layer on the base paper, wherein the stretched film layer has a thickness of 70 ?m or more, and the recording medium substrate has an average surface roughness of 0.3 ?m or less. A recording medium in another aspect of the present invention includes a recording medium substrate, a first ink receiving layer on the recording medium substrate, and a second ink receiving layer on the first ink receiving layer, wherein the first ink receiving layer is in contact with the second ink receiving layer, the first ink receiving layer contains an alumina hydrate and a hydroxy acid, the second ink receiving layer contains an alumina hydrate and a sulfonic acid.Type: ApplicationFiled: November 9, 2018Publication date: May 16, 2019Inventors: Kazuhiko Araki, Tetsuro Noguchi, Arika Tanaka, Shoichi Takeda, Hiroo Miyamoto
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Patent number: 10025223Abstract: An ink let recording medium of this disclosure has a substrate and at least one or more ink receiving layers on the substrate, in which a first ink receiving layer which is the outermost surface layer contains anionic inorganic particles having an average particle diameter of 3.0 ?m or more, a binder, a cationic polymer, and a polyvalent metal salt, the content of the polyvalent metal salt based on the anionic inorganic particles in the first ink receiving layer is 5 mass % or more and 40 mass % or less, the content ratio of the polyvalent metal salt to the cationic polymer in the first ink receiving layer (Content of polyvalent metal salt/Content of cationic polymer) is 1.0 or more and 8.0 or less, and the arithmetic average roughness Ra of the surface of the recording medium is 1.0 ?m or more.Type: GrantFiled: September 13, 2017Date of Patent: July 17, 2018Assignee: Canon Kabushiki KaishaInventors: Yasuhiro Nito, Takatoshi Tanaka, Arika Tanaka, Tetsufumi Shiba
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Patent number: 10011135Abstract: A recording medium includes a substrate and an ink-receiving layer as the top layer. The ink-receiving layer contains inorganic particles. The inorganic particles contain cationized colloidal silica, alumina hydrate, and fumed alumina. A content of the cationized colloidal silica is 5% or more by mass and 25% or less by mass based on a content of the inorganic particles. The mass ratio of the alumina hydrate to the fumed alumina (alumina hydrate content:fumed alumina content) is from 95:5 to 55:45.Type: GrantFiled: April 7, 2017Date of Patent: July 3, 2018Assignee: Canon Kabushiki KaishaInventors: Naoya Hatta, Tetsuro Noguchi, Kazuhiko Araki, Arika Tanaka, Shoichi Takeda
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Patent number: 9962985Abstract: A recording medium includes a substrate, and a first and a second ink receiving layer over the substrate in this order from the side close to the substrate. The first ink receiving layer contains fumed silica, alumina, and zirconium compound. In the first ink receiving layer, the mass ratio of the fumed silica to the alumina is in the range of 40:60 to 60:40. The zirconium compound content in the first ink receiving layer is in the range of 0.1% by mass to 3.0% by mass relative to the total mass of the first ink receiving layer. The second ink receiving layer contains inorganic particles including at least one of fumed silica and alumina. In the second ink receiving layer, the fumed silica or the alumina accounts for 80% by mass or more of the inorganic particles in the second ink receiving layer.Type: GrantFiled: April 5, 2017Date of Patent: May 8, 2018Assignee: Canon Kabushiki KaishaInventors: Tetsuro Noguchi, Naoya Hatta, Kazuhiko Araki, Arika Tanaka, Shoichi Takeda
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Publication number: 20180074434Abstract: An ink let recording medium of this disclosure has a substrate and at least one or more ink receiving layers on the substrate, in which a first ink receiving layer which is the outermost surface layer contains anionic inorganic particles having an average particle diameter of 3.0 ?m or more, a binder, a cationic polymer, and a polyvalent metal salt, the content of the polyvalent metal salt based on the anionic inorganic particles in the first ink receiving layer is 5 mass % or more and 40 mass % or less, the content ratio of the polyvalent metal salt to the cationic polymer in the first ink receiving layer (Content of polyvalent metal salt/Content of cationic polymer) is 1.0 or more and 8.0 or less, and the arithmetic average roughness Ra of the surface of the recording medium is 1.0 ?m or more.Type: ApplicationFiled: September 13, 2017Publication date: March 15, 2018Inventors: Yasuhiro Nito, Takatoshi Tanaka, Arika Tanaka, Tetsufumi Shiba
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Publication number: 20170291443Abstract: A recording medium includes a substrate, and a first and a second ink receiving layer over the substrate in this order from the side close to the substrate. The first ink receiving layer contains fumed silica, alumina, and zirconium compound. In the first ink receiving layer, the mass ratio of the fumed silica to the alumina is in the range of 40:60 to 60:40. The zirconium compound content in the first ink receiving layer is in the range of 0.1% by mass to 3.0% by mass relative to the total mass of the first ink receiving layer. The second ink receiving layer contains inorganic particles including at least one of fumed silica and alumina. In the second ink receiving layer, the fumed silica or the alumina accounts for 80% by mass or more of the inorganic particles in the second ink receiving layer.Type: ApplicationFiled: April 5, 2017Publication date: October 12, 2017Inventors: Tetsuro Noguchi, Naoya Hatta, Kazuhiko Araki, Arika Tanaka, Shoichi Takeda
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Publication number: 20170291442Abstract: A recording medium includes a substrate and an ink-receiving layer as the top layer. The ink-receiving layer contains inorganic particles. The inorganic particles contain cationized colloidal silica, alumina hydrate, and fumed alumina. A content of the cationized colloidal silica is 5% or more by mass and 25% or less by mass based on a content of the inorganic particles. The mass ratio of the alumina hydrate to the fumed alumina (alumina hydrate content:fumed alumina content) is from 95:5 to 55:45.Type: ApplicationFiled: April 7, 2017Publication date: October 12, 2017Inventors: Naoya Hatta, Tetsuro Noguchi, Kazuhiko Araki, Arika Tanaka, Shoichi Takeda
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Patent number: 9694613Abstract: A recording medium includes a substrate, a first ink-receiving layer, and a second ink-receiving layer serving as a top layer in this order. The first ink-receiving layer contains an amorphous silica having an average particle size of 1.0 ?m or more. The second ink-receiving layer contains a colloidal silica. The root-mean-square slope R?q of roughness profile elements, provided in JIS B 0601:2001, of a surface of the second ink-receiving layer is 0.3 or more.Type: GrantFiled: September 22, 2015Date of Patent: July 4, 2017Assignee: Canon Kabushiki KaishaInventors: Arika Tanaka, Ryo Taguri, Takatoshi Tanaka, Tomokazu Kotake, Takashi Sugiura, Jun Wang
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Patent number: 9643441Abstract: A recording medium includes a substrate, a first ink-receiving layer, and a second ink-receiving layer adjacent to the first ink-receiving layer in this order. The first ink-receiving layer contains an inorganic particle having an average particle size of 50 nm or less, and the second ink-receiving layer contains an amorphous silica having an average particle size of 3.2 ?m or more.Type: GrantFiled: September 22, 2015Date of Patent: May 9, 2017Assignee: Canon Kabushiki KaishaInventors: Ryo Taguri, Arika Tanaka, Takashi Sugiura, Tomokazu Kotake, Takatoshi Tanaka, Jun Wang
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Patent number: 9555655Abstract: A recording medium includes a substrate and a first ink-receiving layer. The first ink-receiving layer contains an amorphous silica having an average particle size of 1.0 ?m or more and an inorganic particle having an average particle size of 50 nm or less. The content of the amorphous silica in the first ink-receiving layer is 30 mass % or more and 95 mass % or less based on a total content of all inorganic particles.Type: GrantFiled: September 22, 2015Date of Patent: January 31, 2017Assignee: Canon Kabushiki KaishaInventors: Takashi Sugiura, Ryo Taguri, Arika Tanaka, Tomokazu Kotake, Takatoshi Tanaka, Jun Wang
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Publication number: 20160082766Abstract: A recording medium includes a substrate, a first ink-receiving layer, and a second ink-receiving layer adjacent to the first ink-receiving layer in this order. The first ink-receiving layer contains an inorganic particle having an average particle size of 50 nm or less, and the second ink-receiving layer contains an amorphous silica having an average particle size of 3.2 ?m or more.Type: ApplicationFiled: September 22, 2015Publication date: March 24, 2016Inventors: Ryo Taguri, Arika Tanaka, Takashi Sugiura, Tomokazu Kotake, Takatoshi Tanaka, Jun Wang
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Publication number: 20160082765Abstract: A recording medium includes a substrate and a first ink-receiving layer. The first ink-receiving layer contains an amorphous silica having an average particle size of 1.0 ?m or more and an inorganic particle having an average particle size of 50 nm or less. The content of the amorphous silica in the first ink-receiving layer is 30 mass % or more and 95 mass % or less based on a total content of all inorganic particles.Type: ApplicationFiled: September 22, 2015Publication date: March 24, 2016Inventors: Takashi Sugiura, Ryo Taguri, Arika Tanaka, Tomokazu Kotake, Takatoshi Tanaka, Jun Wang
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Publication number: 20160082767Abstract: A recording medium includes a substrate, a first ink-receiving layer, and a second ink-receiving layer serving as a top layer in this order. The first ink-receiving layer contains an amorphous silica having an average particle size of 1.0 ?m or more. The second ink-receiving layer contains a colloidal silica. The root-mean-square slope R?q of roughness profile elements, provided in JIS B 0601:2001, of a surface of the second ink-receiving layer is 0.3 or more.Type: ApplicationFiled: September 22, 2015Publication date: March 24, 2016Inventors: Arika Tanaka, Ryo Taguri, Takatoshi Tanaka, Tomokazu Kotake, Takashi Sugiura, Jun Wang
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Patent number: 8778467Abstract: Provided is a recording medium including an ink-receiving layer containing an inorganic pigment and a binder on at least one surface of a substrate. The ink-receiving layer contains a compound including zirconium, silicon, and at least one element selected from Group 2 and Group 3 elements of the periodic table.Type: GrantFiled: July 2, 2012Date of Patent: July 15, 2014Assignee: Canon Kabushiki KaishaInventors: Masaya Asao, Takeshi Tsurusaki, Arika Tanaka