Patents by Inventor Ryo Taguri
Ryo Taguri 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: 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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Publication number: 20210187938Abstract: An inkjet recording method of the present disclosure is an inkjet recording method of recording an image on a recording medium using an aqueous ink. Coating wax on a transfer body; applying an aqueous reaction solution containing a reaction agent reacting with the aqueous ink to the transfer body; forming an intermediate image by applying the aqueous ink to the transfer body; and transferring the intermediate image by bringing the intermediate image into contact with the recording medium are included in this order, and a surface temperature Ta (° C.) of the transfer body at a position where the intermediate image contacts the recording medium, a surface temperature Tb (° C.) of the transfer body at a position where the intermediate image is separated from the transfer body and a melting point Tm (° C.) of the wax satisfy a relationship of Tb<Tm?Ta.Type: ApplicationFiled: December 14, 2020Publication date: June 24, 2021Inventors: Toru Ohnishi, Tsuyoshi Kanke, Sayoko Nagashima, Kanako Soma, Mikio Sanada, Satoshi Takebayashi, Yuko Negishi, Tetsuya Kosuge, Satoshi Kudo, Naofumi Shimomura, Ryo Taguri
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Patent number: 9713932Abstract: A recording medium includes a substrate and an ink receiving layer that includes inorganic particles and a binder. The inorganic particles include fumed silica particles. The binder includes a resin having a glass transition temperature of 20° C. or less. The content of the binder in the ink receiving layer is 40% by mass or more of the content of the inorganic particles included in the ink receiving layer.Type: GrantFiled: February 29, 2016Date of Patent: July 25, 2017Assignee: Canon Kabushiki KaishaInventors: Shinya Yumoto, Naotoshi Miyamachi, Tetsuro Noguchi, Hisao Kamo, Kazuhiko Araki, Ryo Taguri, Takashi Sugiura
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Patent number: 9701147Abstract: A recording medium includes a substrate and an ink receiving layer that includes inorganic particles and a binder. The inorganic particles include at least one type of alumina particles selected from fumed alumina particles and hydrated alumina particles. The binder includes a resin having a glass transition temperature of 20° C. or less. The content of the binder in the ink receiving layer is 25% by mass or more of the content of the inorganic particles included in the ink receiving layer.Type: GrantFiled: February 29, 2016Date of Patent: July 11, 2017Assignee: Canon Kabushiki KaishaInventors: Naotoshi Miyamachi, Tetsuro Noguchi, Shinya Yumoto, Hisao Kamo, Kazuhiko Araki, Ryo Taguri, Takashi Sugiura
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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: 9662921Abstract: A recording medium including a substrate and an ink receiving layer on the substrate, the ink receiving layer containing inorganic particles and a water-soluble resin. The recording medium has an HM1 of 40 N/mm2 or less and has a rate of change of HM2 to HM1 of 400% or less. HM1 is a Martens hardness when an indenter is pushed at a 500 mN load over 180 seconds from a surface of the recording medium into a 1 ?m depth in a thickness direction thereof. HM2 is a Martens hardness when the indenter is pushed up to a position where the indenter is not in contact with the surface and is then pushed at a 500 mN load over 180 seconds from a pressing starting position into a 1 ?m depth in the thickness direction at the same point as that at which the indenter is first pushed.Type: GrantFiled: March 1, 2016Date of Patent: May 30, 2017Assignee: Canon Kabushiki KaishaInventors: Takashi Sugiura, Shinya Yumoto, Naotoshi Miyamachi, Tetsuro Noguchi, Hisao Kamo, Kazuhiko Araki, Ryo Taguri
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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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Patent number: 9440474Abstract: A recording medium includes a substrate, a first ink receiving layer and a second ink receiving layer in that order. The first ink receiving layer contains at least one inorganic pigment selected from the group consisting of alumina, hydrated alumina and fumed silica, polyvinyl alcohol, and a boric acid compound. The second ink receiving layer contains fumed silica, particles having an average particle size in a specific range, polyvinyl alcohol, and a boric acid compound. The boric acid compound content in the first ink receiving layer is in a predetermined range, and the boric acid compound content in the second ink receiving layer is in a predetermined range. The particle content in the second ink receiving layer is in a predetermined range.Type: GrantFiled: March 31, 2015Date of Patent: September 13, 2016Assignee: Canon Kabushiki KaishaInventors: Kazuhiko Araki, Hisao Kamo, Yasuhiro Nito, Tetsuro Noguchi, Ryo Taguri, Isamu Oguri, Olivia Herlambang, Naoya Hatta, Shinya Yumoto
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Publication number: 20160257154Abstract: A recording medium includes a substrate and an ink receiving layer that includes inorganic particles and a binder. The inorganic particles include at least one type of alumina particles selected from fumed alumina particles and hydrated alumina particles. The binder includes a resin having a glass transition temperature of 20° C. or less. The content of the binder in the ink receiving layer is 25% by mass or more of the content of the inorganic particles included in the ink receiving layer.Type: ApplicationFiled: February 29, 2016Publication date: September 8, 2016Inventors: Naotoshi Miyamachi, Tetsuro Noguchi, Shinya Yumoto, Hisao Kamo, Kazuhiko Araki, Ryo Taguri, Takashi Sugiura
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Publication number: 20160257156Abstract: A recording medium including a substrate and an ink receiving layer on the substrate, the ink receiving layer containing inorganic particles and a water-soluble resin. The recording medium has an HM1 of 40 N/mm2 or less and has a rate of change of HM2 to HM1 of 400% or less. HM1 is a Martens hardness when an indenter is pushed at a 500 mN load over 180 seconds from a surface of the recording medium into a 1 ?m depth in a thickness direction thereof. HM2 is a Martens hardness when the indenter is pushed up to a position where the indenter is not in contact with the surface and is then pushed at a 500 mN load over 180 seconds from a pressing starting position into a 1 ?m depth in the thickness direction at the same point as that at which the indenter is first pushed.Type: ApplicationFiled: March 1, 2016Publication date: September 8, 2016Inventors: Takashi Sugiura, Shinya Yumoto, Naotoshi Miyamachi, Tetsuro Noguchi, Hisao Kamo, Kazuhiko Araki, Ryo Taguri
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Publication number: 20160257155Abstract: A recording medium includes a substrate and an ink receiving layer that includes inorganic particles and a binder. The inorganic particles include fumed silica particles. The binder includes a resin having a glass transition temperature of 20° C. or less. The content of the binder in the ink receiving layer is 40% by mass or more of the content of the inorganic particles included in the ink receiving layer.Type: ApplicationFiled: February 29, 2016Publication date: September 8, 2016Inventors: Shinya Yumoto, Naotoshi Miyamachi, Tetsuro Noguchi, Hisao Kamo, Kazuhiko Araki, Ryo Taguri, Takashi Sugiura
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Patent number: 9409431Abstract: A recording medium includes, in this order, a substrate, a first ink receiving layer containing inorganic particles, polyvinyl alcohol and a boric acid compound, and a resin layer containing a resin. In the first ink receiving layer, hydrated alumina accounts for 70% by mass or more of the inorganic particles. In the recording medium, the ratio of the boric acid compound content to the polyvinyl alcohol content is 30% by mass or more.Type: GrantFiled: October 21, 2014Date of Patent: August 9, 2016Assignee: Canon Kabushiki KaishaInventors: Naoya Hatta, Ryo Taguri, Olivia Herlambang, Hisao Kamo
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Patent number: 9365066Abstract: A recording medium includes, in this order, a substrate, a first ink receiving layer containing inorganic particles, polyvinyl alcohol and a boric acid compound, and a resin layer containing a resin. In the first ink receiving layer, hydrated alumina accounts for 70% by mass or more of the inorganic particles. In the recording medium, the ratio of the boric acid compound content to the polyvinyl alcohol content is 30% by mass or more.Type: GrantFiled: October 21, 2014Date of Patent: June 14, 2016Assignee: Canon Kabushiki KaishaInventors: Naoya Hatta, Ryo Taguri, Olivia Herlambang, Hisao Kamo
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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: 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: 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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Publication number: 20150283841Abstract: A recording medium includes a substrate, a first ink receiving layer and a second ink receiving layer in that order. The first ink receiving layer contains at least one inorganic pigment selected from the group consisting of alumina, hydrated alumina and fumed silica, polyvinyl alcohol, and a boric acid compound. The second ink receiving layer contains fumed silica, particles having an average particle size in a specific range, polyvinyl alcohol, and a boric acid compound. The boric acid compound content in the first ink receiving layer is in a predetermined range, and the boric acid compound content in the second ink receiving layer is in a predetermined range. The particle content in the second ink receiving layer is in a predetermined range.Type: ApplicationFiled: March 31, 2015Publication date: October 8, 2015Inventors: Kazuhiko Araki, Hisao Kamo, Yasuhiro Nito, Tetsuro Noguchi, Ryo Taguri, Isamu Oguri, Olivia Herlambang, Naoya Hatta, Shinya Yumoto
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Patent number: 9079447Abstract: A recording medium has a backcoat layer, a substrate, and an ink-receiving layer in this order. The backcoat layer contains a first inorganic particle, a second inorganic particle, and a binder. The first inorganic particle has an average aspect ratio of 5 or more and an average diameter of 0.2 ?m or more and 10.0 ?m or less. The second inorganic particle has an average aspect ratio of less than 5 and an average diameter of 0.1 ?m or more and 0.9 ?m or less. The mass ratio of the first inorganic particle content to the second inorganic particle content of the backcoat layer is 30/70 or more and 70/30 or less.Type: GrantFiled: October 17, 2014Date of Patent: July 14, 2015Assignee: Canon Kabushiki KaishaInventors: Olivia Herlambang, Naoya Hatta, Ryo Taguri, Hisao Kamo