Patents by Inventor Daisuke Hamada
Daisuke 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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Patent number: 12586717Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Ni as a main component, and the second inner electrodes have a second metal composition including Ni as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, Ru, and Cu, which have standard electrode potentials higher than that of Ni, as an additive component.Type: GrantFiled: September 27, 2023Date of Patent: March 24, 2026Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Toru Wakamatsu, Daisuke Hamada
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Patent number: 12567540Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Ni as a main component, and the second inner electrodes have a second metal composition including Cu as a main component. The first metal composition may include Sn as an additive component. The second metal composition may include at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru as an additive component.Type: GrantFiled: September 27, 2023Date of Patent: March 3, 2026Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Toru Wakamatsu, Daisuke Hamada
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Publication number: 20260031275Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Cu and Sn, and the second inner electrodes have a second metal composition including Cu. The second metal composition of the second inner electrodes includes Cu as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as an additive component.Type: ApplicationFiled: October 3, 2025Publication date: January 29, 2026Inventors: Toru WAKAMATSU, Daisuke HAMADA
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Patent number: 12537134Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Cu as a main component, and the second inner electrodes have a second metal composition including Cu as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as an additive component.Type: GrantFiled: September 27, 2023Date of Patent: January 27, 2026Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Toru Wakamatsu, Daisuke Hamada
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Patent number: 12512271Abstract: An electronic component includes first solid solution layer in which a first metal component as a primary component defining a solid solution with a second metal component is located at an interface with a dielectric layer in an end region nearer than a position that is about 5% or more and about 20% or less of a length-direction distance or about 10 ?m or more and about 50 ?m or less from an end surface of an extended portion of the inner electrode layer to the end surface, and a second solid solution layer in which the first metal component defining a solid solution with the second metal component and with a higher concentration than a concentration in the first solid solution layer is located at an interface with the dielectric layer in a central region of the facing portion in a length direction and a width direction.Type: GrantFiled: April 17, 2024Date of Patent: December 30, 2025Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Daisuke Hamada
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Patent number: 12456580Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Cu and Sn, and the second inner electrodes have a second metal composition including Cu. The second metal composition of the second inner electrodes includes Cu as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as an additive component.Type: GrantFiled: September 27, 2023Date of Patent: October 28, 2025Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Toru Wakamatsu, Daisuke Hamada
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Patent number: 12451289Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Ni or Cu as a main component, and the second inner electrodes have a second metal composition including at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as a main component.Type: GrantFiled: September 27, 2023Date of Patent: October 21, 2025Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Toru Wakamatsu, Daisuke Hamada
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Patent number: 12422746Abstract: The present invention provides a photosensitive composition with which a cured film having excellent patterning properties and excellent electrode anticorrosion properties can be produced. In addition, it also provides a cured film formed of the photosensitive composition, a color filter, a light shielding film, an optical element, a solid-state imaging element, an infrared sensor, and a headlight unit. The photosensitive composition of the present invention contains a zirconium nitride-based particle containing one or more selected from the group consisting of zirconium nitride and zirconium oxynitride a resin, a polymerizable compound, and a photopolymerization initiator, in which the zirconium nitride-based particle contains 0.001% to 0.400% by mass of a Fe atom with respect to a total mass of the zirconium nitride-based particle.Type: GrantFiled: September 4, 2022Date of Patent: September 23, 2025Assignee: FUJIFILM CorporationInventor: Daisuke Hamada
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Publication number: 20250229515Abstract: There is provided a sealant film including a first layer which contains a propylene homopolymer (A), a propylene-ethylene random copolymer (B), and a predetermined amount of an ethylene-?-olefin copolymer elastomer (C1), propylene-ethylene-?-olefin copolymer elastomer (C2), or propylene-?-olefin copolymer elastomer (C3).Type: ApplicationFiled: April 4, 2023Publication date: July 17, 2025Applicant: TOPPAN Holdings Inc.Inventors: Daisuke HAMADA, Tomoko OOKI
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Publication number: 20240343026Abstract: The present disclosure relates to a multilayer film including: a first layer, which is a heat seal layer, containing 70 to 10% by mass of a propylene homopolymer (A) and 30 to 90% by mass of a propylene-based resin (B) having a melting point of 132 to 150° C.; and a second layer containing a propylene-ethylene block copolymer (C) and an ethylene-propylene copolymer elastomer (D).Type: ApplicationFiled: August 5, 2022Publication date: October 17, 2024Applicant: TOPPAN Holdings Inc.Inventors: Daisuke HAMADA, Tomoko OOKI, Takayuki MINEKISHI
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Publication number: 20240312712Abstract: An electronic component includes a laminate in which a plurality of dielectric layers and a plurality of internal electrodes are alternately laminated and external electrodes electrically connected to the internal electrodes. A side margin portion as a region in which the plurality of internal electrodes is not provided when a section of the laminate having the length direction and the width direction is viewed from the laminating direction includes a plurality of side margin layers laminated in the width direction. An outer layer portion as a region in which the plurality of internal electrodes is not provided except for the side margin portion when a section of the laminate including the laminating direction and the width direction is viewed from the length direction includes a plurality of layer-margin layers laminated in the laminating direction.Type: ApplicationFiled: May 28, 2024Publication date: September 19, 2024Inventors: Daiki FUKUNAGA, Hideaki TANAKA, Masahiro WAKASHIMA, Daisuke HAMADA, Hironori TSUTSUMI, Satoshi MAENO, Ryota ASO, Koji MORIYAMA, Akihiro TSURU
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Publication number: 20240274366Abstract: An electronic component includes first solid solution layer in which a first metal component as a primary component defining a solid solution with a second metal component is located at an interface with a dielectric layer in an end region nearer than a position that is about 5% or more and about 20% or less of a length-direction distance or about 10 ?m or more and about 50 ?m or less from an end surface of an extended portion of the inner electrode layer to the end surface, and a second solid solution layer in which the first metal component defining a solid solution with the second metal component and with a higher concentration than a concentration in the first solid solution layer is located at an interface with the dielectric layer in a central region of the facing portion in a length direction and a width direction.Type: ApplicationFiled: April 17, 2024Publication date: August 15, 2024Inventor: Daisuke HAMADA
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Patent number: 12020867Abstract: An electronic component includes a laminate in which a plurality of dielectric layers and a plurality of internal electrodes are alternately laminated and external electrodes electrically connected to the internal electrodes. A side margin portion as a region in which the plurality of internal electrodes is not provided when a section of the laminate having the length direction and the width direction is viewed from the laminating direction includes a plurality of side margin layers laminated in the width direction. An outer layer portion as a region in which the plurality of internal electrodes is not provided except for the side margin portion when a section of the laminate including the laminating direction and the width direction is viewed from the length direction includes a plurality of layer-margin layers laminated in the laminating direction.Type: GrantFiled: February 16, 2023Date of Patent: June 25, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Daiki Fukunaga, Hideaki Tanaka, Masahiro Wakashima, Daisuke Hamada, Hironori Tsutsumi, Satoshi Maeno, Ryota Aso, Koji Moriyama, Akihiro Tsuru
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Publication number: 20240198642Abstract: The present disclosure relates to a multilayer film including: a first outer layer containing a propylene homopolymer (A) and a propylene-ethylene random copolymer (B) and serving as a heat seal layer; an inner layer containing a propylene-ethylene block copolymer (C) and an ethylene-propylene copolymer elastomer (D); and a second outer layer containing a propylene homopolymer (A) and a propylene-ethylene random copolymer (B), in this order, in which at least one layer of the first outer layer, the inner layer, and the second outer layer further contains a polyphenol compound.Type: ApplicationFiled: May 10, 2022Publication date: June 20, 2024Applicant: TOPPAN INC.Inventor: Daisuke HAMADA
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Publication number: 20240145168Abstract: A multilayer ceramic electronic component includes a multilayer body including a plurality of insulator layers including ceramic, and a plurality of inner electrode layers. An aspect ratio of a metal particle of the inner electrode layers is about 1.8 or greater.Type: ApplicationFiled: January 5, 2024Publication date: May 2, 2024Inventor: Daisuke HAMADA
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Publication number: 20240096553Abstract: A multilayer ceramic capacitor includes dielectric layers and inner electrode layers stacked and each made of a ceramic material. Each of the inner electrode layers includes through holes. An average circularity of the through holes is equal to or greater than to about 0.6.Type: ApplicationFiled: December 4, 2023Publication date: March 21, 2024Inventors: Ryota ASO, Daisuke HAMADA
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Patent number: 11908877Abstract: A colored film has an uneven structure on a surface thereof, in which an average distance between adjacent projections in the uneven structure is equal to or shorter than 1,500 nm, a standard deviation of the distance between the adjacent projections is 10 to 300 nm, and 95.00% or more of the projections satisfy Formula (1), in Formula (1), h represents a height of the projections, and D represents an average distance between the adjacent projections, Formula (1) 3h/D?1.0.Type: GrantFiled: September 3, 2019Date of Patent: February 20, 2024Assignee: FUJIFILM CorporationInventor: Daisuke Hamada
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Publication number: 20240029955Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Cu and Sn, and the second inner electrodes have a second metal composition including Cu. The second metal composition of the second inner electrodes includes Cu as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as an additive component.Type: ApplicationFiled: September 27, 2023Publication date: January 25, 2024Inventors: Toru WAKAMATSU, Daisuke HAMADA
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Publication number: 20240021367Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Ni as a main component, and the second inner electrodes have a second metal composition including Ni as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, Ru, and Cu, which have standard electrode potentials higher than that of Ni, as an additive component.Type: ApplicationFiled: September 27, 2023Publication date: January 18, 2024Inventors: Toru WAKAMATSU, Daisuke HAMADA
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Publication number: 20240021368Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Ni or Cu as a main component, and the second inner electrodes have a second metal composition including at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as a main component.Type: ApplicationFiled: September 27, 2023Publication date: January 18, 2024Inventors: Toru WAKAMATSU, Daisuke HAMADA