Patents by Inventor Ryuji Doi
Ryuji Doi 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: 20240367408Abstract: In a transfer foil, a transfer material layer and a support body for releasably supporting the transfer material layer are laminated. A first release strength at a first temperature when the transfer material layer is released from the support body is 0.1 gf/mm or more and 0.3 gf/mm or less. A difference between the first release strength and a second release strength at a second temperature that is higher than the first temperature and lower than a transfer temperature when the transfer material layer is released from the support body is 0.05 gf/mm or more and 0.2 gf/mm or less.Type: ApplicationFiled: July 19, 2024Publication date: November 7, 2024Applicant: TOPPAN HOLDINGS INC.Inventors: Saki IRIE, Soko KODA, Ryuji DOI, Kazunari MITSUI
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Patent number: 12071499Abstract: The present invention has an object to provide a modified polyolefin resin capable of forming a coating film that is excellent in water-resistant adhesiveness under a high temperature condition. The present invention provides a modified polyolefin resin including a graft-modified product in which a component (A) that is a polyolefin resin is graft-modified with a component (B) that is an ?,?-unsaturated carboxylic acid or a derivative thereof, and having a tensile modulus of 250 MPa or higher, and a weight-average molecular weight of 70,000 or more and less than 200,000.Type: GrantFiled: August 24, 2020Date of Patent: August 27, 2024Assignee: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Ryo Koike, Fumiyasu Sakakibara, Shunji Sekiguchi, Ryuji Doi
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Publication number: 20240198624Abstract: In a transfer foil, a transfer material layer and a support body for releasably supporting the transfer material layer are laminated. A first release strength at a first temperature when the transfer material layer is released from the support body is 0.1 gf/mm or more and 0.3 gf/mm or less. A difference between the first release strength and a second release strength at a second temperature that is higher than the first temperature and lower than a transfer temperature when the transfer material layer is released from the support body is 0.05 gf/mm or more and 0.2 gf/mm or less.Type: ApplicationFiled: February 28, 2024Publication date: June 20, 2024Applicant: TOPPAN INC.Inventors: Saki Irie, Soko Koda, Ryuji Doi, Kazunari Mitsui
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Patent number: 11614574Abstract: A photosensitive green composition for a color filter of a solid-state imaging element, contains a colorant (A), a binder resin (B), a photopolymerization initiator (C), a photopolymerizable monomer (D), an ultraviolet absorber (E), and a monofunctional thiol (F), wherein the colorant (A) contains C.I. Pigment Green 36 and/or C.I. Pigment Green 58.Type: GrantFiled: September 25, 2019Date of Patent: March 28, 2023Assignee: TOPPAN PRINTING CO., LTD.Inventors: Tomotaka Chuko, Kenji Hiki, Ryuji Doi, Kazushige Kitazawa, Shinichi Okamoto, Tetsuya Hirota, Tadatoshi Maeda, Hiroyuki Chinone
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Publication number: 20220282019Abstract: The present invention has an object to provide a modified polyolefin resin capable of forming a coating film that is excellent in water-resistant adhesiveness under a high temperature condition. The present invention provides a modified polyolefin resin including a graft-modified product in which a component (A) that is a polyolefin resin is graft-modified with a component (B) that is an ?, ?-unsaturated carboxylic acid or a derivative thereof, and having a tensile modulus of 250 MPa or higher, and a weight-average molecular weight of 70,000 or more and less than 200,000.Type: ApplicationFiled: August 24, 2020Publication date: September 8, 2022Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Ryo KOIKE, Fumiyasu SAKAKIBARA, Shunji SEKIGUCHI, Ryuji DOI
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Publication number: 20220186014Abstract: An object is to provide a dispersion resin composition which can maintain dispersion stability even if the added amount of an emulsifier is reduced. Provided is a dispersion resin composition including, at least: a modified polyolefin resin in which a modification component containing an ?,?-unsaturated carboxylic acid derivative with a ring structure has been introduced to a polyolefin resin; and an aqueous dispersion medium, wherein the modified polyolefin resin has a degree of ring opening, represented by the equation (1), of 70 or more: degree of ring opening=modification degree K×rate of ring opening R ??(1) (in the equation (1), the modification degree K represents a containing rate (% by weight) of the ?,?-unsaturated carboxylic acid derivative relative to the polyolefin resin, and the rate of ring opening R represents a rate of ring opening (%) of the ring structure in the ?,?-unsaturated carboxylic acid derivative).Type: ApplicationFiled: March 10, 2020Publication date: June 16, 2022Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Shunji SEKIGUCHI, Ryuji DOI, Fumiyasu SAKAKIBARA, Takao YOSHIMOTO, Ryo KOIKE
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Publication number: 20210221926Abstract: A modified polyolefin resin is described. The modified polyolefin resin can enhance a cleaning property upon cleaning inside of a coating machine with a cleaning solvent including water, and is excellent in a balance between heat resistance and solution stability. The modified polyolefin resin is a polyolefin resin that is modified with an ?,?-unsaturated carboxylic acid or a derivative thereof and with an amino alcohol having a primary or a secondary amino group.Type: ApplicationFiled: May 30, 2019Publication date: July 22, 2021Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Fumiyasu SAKAKIBARA, Ryuji DOI, Kei KONDO, Takao YOSHIMOTO, Chiaki HIRAOKA, Shunji SEKIGUCHI, Isamu ONO, Koji KIMURA, Takato TAKENAKA, Naosuke KOMOTO
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Publication number: 20200018878Abstract: A photosensitive green composition for a color filter of a solid-state imaging element, contains a colorant (A), a binder resin (B), a photopolymerization initiator (C), a photopolymerizable monomer (D), an ultraviolet absorber (E), and a monofunctional thiol (F), wherein the colorant (A) contains C.I. Pigment Green 36 and/or C.I. Pigment Green 58.Type: ApplicationFiled: September 25, 2019Publication date: January 16, 2020Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD., TOPPAN PRINTING CO., LTD.Inventors: Tomotaka Chuko, Kenji Hiki, Ryuji Doi, Kazushige Kitazawa, Shinichi Okamoto, Tetsuya Hirota, Tadatoshi Maeda, Hiroyuki Chinone
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Patent number: 10416523Abstract: A electrophoretic display device manufacturing method includes bonding a substrate including a pixel electrode and a stacked film including a transparent electrode layer and an electrophoretic display layer, and forming a color filter layer having a pixel pattern corresponding to a pattern of the pixel electrode above a base material surface of the stacked film. The substrate has a region where the electrophoretic display layer is not arranged when the substrate and the stacked film are bonded, a pixel alignment pattern is drawn in the region, and in the forming the color filter layer, the color filter layer is formed while performing alignment using the pixel alignment pattern.Type: GrantFiled: April 27, 2017Date of Patent: September 17, 2019Assignee: TOPPAN PRINTING CO., LTD.Inventors: Ryuji Doi, Akira Emori, Kayo Shoji
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Publication number: 20170227827Abstract: A electrophoretic display device manufacturing method includes bonding a substrate including a pixel electrode and a stacked film including a transparent electrode layer and an electrophoretic display layer, and forming a color filter layer having a pixel pattern corresponding to a pattern of the pixel electrode above a base material surface of the stacked film. The substrate has a region where the electrophoretic display layer is not arranged when the substrate and the stacked film are bonded, a pixel alignment pattern is drawn in the region, and in the forming the color filter layer, the color filter layer is formed while performing alignment using the pixel alignment pattern.Type: ApplicationFiled: April 27, 2017Publication date: August 10, 2017Inventors: Ryuji DOI, Akira EMORI, Kayo SHOJI
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Patent number: 9664977Abstract: Disclosed is an electrophoretic display device manufacturing method including bonding a substrate including a pixel electrode and a stacked film including a transparent electrode layer and an electrophoretic display layer, and forming a color filter layer having a pixel pattern corresponding to a pattern of the pixel electrode above a base material surface of the stacked film. The substrate has a region where the electrophoretic display layer is not arranged when the substrate and the stacked film are bonded, a pixel alignment pattern is drawn in the region, and in the forming the color filter layer, the color filter layer is formed while performing alignment using the pixel alignment pattern.Type: GrantFiled: July 30, 2013Date of Patent: May 30, 2017Assignee: TOPPAN PRINTING CO., LTD.Inventors: Ryuji Doi, Akira Emori, Kayo Shoji
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Publication number: 20130314764Abstract: Disclosed is an electrophoretic display device manufacturing method including bonding a substrate including a pixel electrode and a stacked film including a transparent electrode layer and an electrophoretic display layer, and forming a color filter layer having a pixel pattern corresponding to a pattern of the pixel electrode above a base material surface of the stacked film. The substrate has a region where the electrophoretic display layer is not arranged when the substrate and the stacked film are bonded, a pixel alignment pattern is drawn in the region, and in the forming the color filter layer, the color filter layer is formed while performing alignment using the pixel alignment pattern.Type: ApplicationFiled: July 30, 2013Publication date: November 28, 2013Applicant: TOPPAN PRINTING CO., LTD.Inventors: Ryuji DOI, Akira Emori, Kayo Shoji
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Patent number: 8335035Abstract: One embodiment of the present invention is a multi-color display panel, including: a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer, a rear electrode plate, wherein the transparent substrate, the color filter layer, the transparent electrode layer, the microcapsule layer the adhesive layer and the rear electrode plate are arranged in this order, the microcapsule layer is directly formed on the transparent electrode layer, the microcapsule layer has a structure in which microcapsules are dispersed in a binder resin, a dispersion liquid in which an electrophoresis particle is dispersed in a transparent dispersion medium is enclosed in the microcapsule, and an optical reflection property of the microcapsule changes according to a change of electric field by application of a voltage, and wherein the electrode plate has a rear substrate with a pixel electrode.Type: GrantFiled: March 18, 2011Date of Patent: December 18, 2012Assignee: Toppan Printing Co., Ltd.Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu
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Publication number: 20120236391Abstract: One embodiment of the present invention is a multi-color display panel, including: a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer, a rear electrode plate, wherein the transparent substrate, the color filter layer, the transparent electrode layer, the microcapsule layer the adhesive layer and the rear electrode plate are arranged in this order, the microcapsule layer is directly formed on the transparent electrode layer, the microcapsule layer has a structure in which microcapsules are dispersed in a binder resin, a dispersion liquid in which an electrophoresis particle is dispersed in a transparent dispersion medium is enclosed in the microcapsule, and an optical reflection property of the microcapsule changes according to a change of electric field by application of a voltage, and wherein the electrode plate has a rear substrate with a pixel electrode.Type: ApplicationFiled: March 18, 2011Publication date: September 20, 2012Applicant: Toppan Printing Co., Ltd.Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu
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Patent number: 8169691Abstract: One embodiment of the present invention is a multi color display panel, having a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer; and a rear electrode plate, wherein the rear electrode plate is an electrode plate in which a pixel electrode is arranged on a substrate, a film thickness of the color filter layer is 0.5-2.0 ?m, a step between pixels or inside a pixel inside a display screen, the step being difference of the film thickness, is equal to or less than 0.3 ?m, one of the pixels does not overlap an adjacent pixel, and a top edge of each of the pixels of a trapezoid shape is within 5.0 ?m from a border of the pixel.Type: GrantFiled: March 18, 2011Date of Patent: May 1, 2012Assignee: Toppan Printing Co., Ltd.Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu
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Patent number: 8064126Abstract: One embodiment of the present invention is a color electrophoresis type display medium panel having a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer and a rear electrode plate, wherein the microcapsule particle has a specific distribution wherein an average particle diameter of the microcapsule in a direction observed from a viewer is defined as X, and an average particle diameter of the microcapsule in another direction perpendicular to the direction observed from a viewer is defined as Y.Type: GrantFiled: March 21, 2011Date of Patent: November 22, 2011Assignee: Toppan Printing Co., Ltd.Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu