Patents by Inventor Seigo Nakamura
Seigo Nakamura 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: 20200348451Abstract: The optical thin film is provided on a substrate and includes, in order, from the substrate side, an interlayer, a silver-containing metal layer, and a dielectric layer, in which an anchor region including an oxide of an anchor metal is provided in an interface region of the silver-containing metal layer on a side close to the interlayer, a cap region including an oxide of the anchor metal is provided in an interface region of the silver-containing metal layer on a side close to the dielectric layer, a film thickness of the silver-containing metal layer is 6 nm or less, the silver-containing metal layer contains a high standard electrode potential metal, and a peak position of a concentration distribution of the high standard electrode potential metal in a film thickness direction of the silver-containing metal layer is positioned closer to the interlayer than a peak position of a silver concentration distribution.Type: ApplicationFiled: July 14, 2020Publication date: November 5, 2020Inventors: Kenichi UMEDA, Seigo NAKAMURA, Tatsuya YOSHIHIRO, Yuichiro ITAI
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Publication number: 20200209436Abstract: An antireflection film is provided on a substrate and includes an interlayer, a silver-containing metal layer containing silver, and a dielectric layer, which are laminated in this order on a side of a substrate, in which the interlayer is a multilayer film having at least two layers in which a layer of high refractive index having a relatively high refractive index and a layer of lower refractive index having a relatively low refractive index are alternately laminated, the dielectric layer has a surface exposed to air, and the dielectric layer is a multilayer film including a silicon-containing oxide layer, a magnesium fluoride layer, and an adhesion layer provided between the silicon-containing oxide layer and the magnesium fluoride layer and configured to increase adhesiveness between the silicon-containing oxide layer and the magnesium fluoride layer.Type: ApplicationFiled: March 9, 2020Publication date: July 2, 2020Applicant: FUJIFILM CorporationInventors: Seigo NAKAMURA, Tatsuya YOSHIHIRO, Kenichi UMEDA, Yuichiro ITAI
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Publication number: 20200209433Abstract: In a laminated film, a resin substrate, an organic/inorganic multilayer, and a silver-containing metal layer having a thickness of 20 nm or less are laminated in this order, an anchor metal diffusion control layer having a Hamaker constant of 7.3×10?20 J or more is provided on the surface of the inorganic layer, an anchor region containing an oxide of an anchor metal having a surface energy which has a smaller difference with a surface energy of the silver-containing metal layer than a surface energy of the anchor metal diffusion control layer is provided between the anchor metal diffusion control layer and the silver-containing metal layer, and a cap region containing an oxide of the anchor metal is provided on a surface of the silver-containing metal layer that is opposite from a surface on a side closer to the anchor metal diffusion control layer.Type: ApplicationFiled: February 24, 2020Publication date: July 2, 2020Applicant: FUJIFILM CorporationInventors: Kenichi UMEDA, Yuichiro ITAI, Seigo NAKAMURA
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Patent number: 10641927Abstract: An optical thin film formed by laminating, from the substrate side, an interlayer, a silver-containing metal layer that contains silver, and a dielectric layer, in which an anchor metal diffusion control layer provided between the interlayer and the silver-containing metal layer, an anchor region which includes an oxide of the anchor metal and has a surface energy that is less than the surface energy of the silver-containing metal layer and larger than the surface energy of the anchor metal diffusion control layer is provided between the anchor metal diffusion control layer and the silver-containing metal layer, a cap region which includes an oxide of the anchor metal is provided between the silver-containing metal layer and the dielectric layer, and the total film thickness of the silver-containing metal layer, the anchor region, and the cap region is 6 nm or less.Type: GrantFiled: September 24, 2019Date of Patent: May 5, 2020Assignee: FUJIFILM CorporationInventors: Shinichiro Sonoda, Tatsuya Yoshihiro, Kenichi Umeda, Yuichiro Itai, Seigo Nakamura
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Patent number: 10608119Abstract: Provided is a method of manufacturing a film, including: a manufacturing step of forming a film by performing movement, in a state in which a blade surface of a coating blade disposed to be spaced so as to face a substrate surface of a substrate is in contact with a solution for forming a film which is provided between the blade surface and the substrate surface, in a first direction in a plane parallel to the substrate surface, in which the solution is stored in a liquid reservoir between the blade surface and the substrate surface, and at least a portion of an outer peripheral end portion of the coating blade which is in contact with the solution is tilted with respect to the first direction in a plane parallel to the substrate surface. Accordingly, a method of manufacturing a film for forming a high quality film with high productivity is provided.Type: GrantFiled: August 28, 2018Date of Patent: March 31, 2020Assignee: FUJIFILM CorporationInventors: Seigo Nakamura, Yoshiki Maehara, Yuichiro Itai, Yoshihisa Usami
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Patent number: 10549311Abstract: A device for manufacturing an organic semiconductor film, including a coating member disposed to face a substrate surface while spaced therefrom for forming the film, and forming a liquid reservoir of an organic semiconductor solution between the coating member and the substrate; a supply portion that supplies the solution; and a cover portion that covers at least a crystal growth portion of the solution. The cover portion includes a guide that guides a deposit formed of an evaporated solvent of the solution to a film-unformed region of the organic semiconductor film. While the solution is supplied between the coating member and the substrate surface by the supply portion, the coating member is moved in a first direction parallel to the substrate surface in a state of being in contact with the solution, to form the film with the crystal growth portion as a starting point.Type: GrantFiled: July 21, 2018Date of Patent: February 4, 2020Assignees: FUJIFILM Corporation, THE UNIVERSITY OF TOKYOInventors: Seigo Nakamura, Yoshiki Maehara, Yuichiro Itai, Yoshihisa Usami, Junichi Takeya
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Publication number: 20200033508Abstract: An optical thin film formed by laminating, from the substrate side, an interlayer, a silver-containing metal layer that contains silver, and a dielectric layer, in which an anchor metal diffusion control layer provided between the interlayer and the silver-containing metal layer, an anchor region which includes an oxide of the anchor metal and has a surface energy that is less than the surface energy of the silver-containing metal layer and larger than the surface energy of the anchor metal diffusion control layer is provided between the anchor metal diffusion control layer and the silver-containing metal layer, a cap region which includes an oxide of the anchor metal is provided between the silver-containing metal layer and the dielectric layer, and the total film thickness of the silver-containing metal layer, the anchor region, and the cap region is 6 nm or less.Type: ApplicationFiled: September 24, 2019Publication date: January 30, 2020Applicant: FUJIFILM CorporationInventors: Shinichiro SONODA, Tatsuya YOSHIHIRO, Kenichi UMEDA, Yuichiro ITAI, Seigo Nakamura
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Publication number: 20200002804Abstract: This method for producing a transparent optical film includes a film formation step of forming a silver layer and a high standard electrode potential metal layer so as to be laminated on a substrate, the film formation step including a silver deposition step of forming the silver layer, at a thickness of 6 nm or less by vacuum deposition, and a high standard electrode potential metal deposition step of forming the high standard electrode potential metal layer formed of a high standard electrode potential metal having a higher standard electrode potential than that of silver by vacuum deposition, and an alloying step of forming a silver alloy layer by diffusing the high standard electrode potential metal within the silver layer by performing a heating treatment at a temperature of 50° C. or higher and 400° C. or lower.Type: ApplicationFiled: September 12, 2019Publication date: January 2, 2020Applicant: FUJIFILM CorporationInventors: Seigo NAKAMURA, Kenichi UMEDA, Yuichiro ITAI, Shinichiro SONODA
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Patent number: 10468597Abstract: A method of manufacturing an organic semiconductor film, including a step of moving a coating blade surface positioned to face a substrate surface in a first direction parallel to the substrate surface, while in contact with an organic semiconductor solution supplied to a portion between the blade surface and the substrate surface to form the organic semiconductor film in the first direction. The coating blade is disposed to have first and second gaps having different separation gap sizes with the substrate surface in a region where the blade surface and the organic semiconductor solution are in contact. The first gap is positioned on an upstream side of the first direction and the second gap, which is smaller than the first gap, is provided on a downstream side. A second gap size is a minimum distance between the substrate surface and the blade surface and is 40 ?m or less.Type: GrantFiled: July 21, 2018Date of Patent: November 5, 2019Assignees: FUJIFILM Corporation, THE UNIVERSITY OF TOKYOInventors: Seigo Nakamura, Yoshiki Maehara, Yuichiro Itai, Yoshihisa Usami, Junichi Takeya
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Publication number: 20190196064Abstract: Provided is an antireflection film that is formed by laminating an interlayer, a silver-containing metal layer containing silver, and a dielectric layer, in this order, on a substrate, in which the interlayer is a multilayer film having two or more layers, in which a layer of high refractive index having a relatively high refractive index and a layer of low refractive index having a relatively low refractive index are alternately laminated, and the dielectric layer has a surface to be exposed to air and is a multilayer film having two or more layers including an oxide layer and a fluorocarbon layer which is a self-assembled film that is formed by a silane coupling reaction to the oxide layer in this order.Type: ApplicationFiled: February 28, 2019Publication date: June 27, 2019Applicant: FUJIFILM CorporationInventors: Seigo NAKAMURA, Kenichi UMEDA, Yuichiro ITAI, Shinichiro SONODA
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Publication number: 20190173013Abstract: Provided is a method of producing a high-quality film having a thin film and high uniformity in film thickness or the like. The method of producing a film includes supplying a raw material solution containing a solvent and a material that forms a film onto a substrate and drying the solvent to form the film on the substrate. A coating blade holding the raw material solution on the substrate is used, and the coating blade has a facing surface which faces a surface of the substrate and at least one side surface which is provided in the periphery of the facing surface and is in contact with the raw material solution. The solvent of the raw material solution is dried along a specific direction to form the film.Type: ApplicationFiled: February 7, 2019Publication date: June 6, 2019Applicant: FUJIFILM CorporationInventors: Seigo NAKAMURA, Hiroyuki YAEGASHI
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Publication number: 20190170908Abstract: An antireflection film is formed by laminating an interlayer, a silver-containing metal layer containing silver, and a dielectric layer in this order from the substrate, an anchor region including an oxide of an anchor metal is provided between the silver-containing metal layer and the interlayer, a cap region including an oxide of the anchor metal included in the anchor region is provided between the silver-containing metal layer and the dielectric layer, a crystal grain size obtained by X-ray diffraction measurement in the silver-containing metal layer is less than 6.8 nm, and the anchor metal has a surface energy less than a surface energy of silver and greater than a surface energy of a layer of the interlayer closest to the silver-containing metal layer.Type: ApplicationFiled: February 6, 2019Publication date: June 6, 2019Applicant: FUJIFILM CorporationInventors: Kenichi UMEDA, Seigo NAKAMURA, Yuichiro ITAI, Hideki YASUDA
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Patent number: 10207613Abstract: An armrest for a vehicle seat can inhibit liquid droplets formed due to condensation from entering inside of the armrest when cup holders are tilted. The armrest comprises a cup holder portion, a wall-like first blocking portion, and a wall-like second blocking portion. The first blocking portion is provided toward a pivot center line relative to the cup holder portion, extends parallel to the pivot center line, and projects upwardly when the armrest is in the stored position. The second blocking portion extends in a vicinity of a root of the first blocking portion parallel to extending directions of the first blocking portion to be interposed between the cup holder portion and the pivot center line. The second blocking portion comprises at least one first through hole that penetrates the second blocking portion for communication from the cup holder portion toward the pivot center line.Type: GrantFiled: November 28, 2017Date of Patent: February 19, 2019Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Koji Kimura, Seigo Nakamura
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Publication number: 20180366590Abstract: Provided is a method of manufacturing a film, including: a manufacturing step of forming a film by performing movement, in a state in which a blade surface of a coating blade disposed to be spaced so as to face a substrate surface of a substrate is in contact with a solution for forming a film which is provided between the blade surface and the substrate surface, in a first direction in a plane parallel to the substrate surface, in which the solution is stored in a liquid reservoir between the blade surface and the substrate surface, and at least a portion of an outer peripheral end portion of the coating blade which is in contact with the solution is tilted with respect to the first direction in a plane parallel to the substrate surface. Accordingly, a method of manufacturing a film for forming a high quality film with high productivity is provided.Type: ApplicationFiled: August 28, 2018Publication date: December 20, 2018Applicant: FUJIFILM CorporationInventors: Seigo NAKAMURA, Yoshiki MAEHARA, Yuichiro ITAI, Yoshihisa USAMI
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Publication number: 20180326447Abstract: A device for manufacturing an organic semiconductor film, including a coating member disposed to face a substrate surface while spaced therefrom for forming the film, and forming a liquid reservoir of an organic semiconductor solution between the coating member and the substrate; a supply portion that supplies the solution; and a cover portion that covers at least a crystal growth portion of the solution. The cover portion includes a guide that guides a deposit formed of an evaporated solvent of the solution to a film-unformed region of the organic semiconductor film. While the solution is supplied between the coating member and the substrate surface by the supply portion, the coating member is moved in a first direction parallel to the substrate surface in a state of being in contact with the solution, to form the film with the crystal growth portion as a starting point.Type: ApplicationFiled: July 21, 2018Publication date: November 15, 2018Applicants: FUJIFILM Corporation, THE UNIVERSITY OF TOKYOInventors: Seigo NAKAMURA, Yoshiki MAEHARA, Yuichiro ITAI, Yoshihisa USAMI, Junichi TAKEYA
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Publication number: 20180331289Abstract: A method of manufacturing an organic semiconductor film, including a step of moving a coating blade surface positioned to face a substrate surface in a first direction parallel to the substrate surface, while in contact with an organic semiconductor solution supplied to a portion between the blade surface and the substrate surface to form the organic semiconductor film in the first direction. The coating blade is disposed to have first and second gaps having different separation gap sizes with the substrate surface in a region where the blade surface and the organic semiconductor solution are in contact. The first gap is positioned on an upstream side of the first direction and the second gap, which is smaller than the first gap, is provided on a downstream side. A second gap size is a minimum distance between the substrate surface and the blade surface and is 40 ?m or less.Type: ApplicationFiled: July 21, 2018Publication date: November 15, 2018Applicants: FUJIFILM Corporation, THE UNIVERSITY OF TOKYOInventors: Seigo NAKAMURA, Yoshiki MAEHARA, Yuichiro ITAI, Yoshihisa USAMI, Junichi TAKEYA
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Patent number: 10017854Abstract: A gas barrier film includes a substrate film and an inorganic layer, in which the inorganic layer includes Si, N, H, and O, the inorganic layer includes a uniform region having a thickness of more than 5 nm at the center in a thickness direction, in the uniform region, a ratio of Si, N, H, and O is uniform and an O proportion is low, and either or both interface-contact regions of the inorganic layer are oxygen-containing regions in which the O proportion represented by the expression “O Proportion: (Number of O/Total Number of Si, N, and O)×100%” increases in a direction from the uniform region side to an interface and in which a variation of the O proportion per unit thickness is 2%/nm to 8%/nm.Type: GrantFiled: September 20, 2016Date of Patent: July 10, 2018Assignee: FUJIFILM CorporationInventors: Seigo Nakamura, Yoshihiko Mochizuki, Atsushi Mukai
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Publication number: 20180154809Abstract: An armrest for a vehicle seat can inhibit liquid droplets formed due to condensation from entering inside of the armrest when cup holders are tilted. The armrest comprises a cup holder portion, a wall-like first blocking portion, and a wall-like second blocking portion. The first blocking portion is provided toward a pivot center line relative to the cup holder portion, extends parallel to the pivot center line, and projects upwardly when the armrest is in the stored position. The second blocking portion extends in a vicinity of a root of the first blocking portion parallel to extending directions of the first blocking portion to be interposed between the cup holder portion and the pivot center line. The second blocking portion comprises at least one first through hole that penetrates the second blocking portion for communication from the cup holder portion toward the pivot center line.Type: ApplicationFiled: November 28, 2017Publication date: June 7, 2018Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Koji KIMURA, Seigo NAKAMURA
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Publication number: 20170315222Abstract: After an electroconductive projection is formed on an electrode of an electronic element, a gas barrier film on which an adhesive layer and a contact hole are formed is laminated and pressure-bonded onto a substrate on which the electronic element is formed. Alternatively, after a gas barrier film on which an adhesive layer and a contact hole are formed is laminated on a substrate on which an electronic element is formed and an electroconductive projection is formed on the electrode inside the contact hole, the substrate and the gas barrier film are pressure-bonded to each other, and the contact hole is filled with an electroconductive material. In this manner, there are provided a method of manufacturing an electronic device; and an electronic device to which a take-out wire used to reliably connect the electronic device to an external device using a small contact hole can be connected even in a case where the electronic device is small.Type: ApplicationFiled: July 13, 2017Publication date: November 2, 2017Applicant: FUJIFILM CorporationInventors: Seigo NAKAMURA, Yoshihisa USAMI
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Publication number: 20170155067Abstract: Disclosed are a manufacturing method capable of manufacturing a semiconductor device having a plurality of organic semiconductor elements with a simple process and high productivity, and a semiconductor device. This problem is solved by forming, on an insulating substrate, electrodes corresponding to a plurality of semiconductor elements, in which the position of an uppermost portion of each of a source electrode and a drain electrode is higher than that of a gate electrode, forming an organic semiconductor film on a surface of an insulating support, forming grooves in the organic semiconductor film to form divided regions according to the individual semiconductor elements, and aligning and laminating the insulating support and the insulating substrate.Type: ApplicationFiled: February 13, 2017Publication date: June 1, 2017Applicant: FUJIFILM CORPORATIONInventors: Yoshihisa USAMI, Kouki TAKAHASHI, Yoshiki MAEHARA, Seigo NAKAMURA