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).

  • Patent number: 12586717
    Abstract: 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: Grant
    Filed: September 27, 2023
    Date of Patent: March 24, 2026
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Wakamatsu, Daisuke Hamada
  • Patent number: 12567540
    Abstract: 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: Grant
    Filed: September 27, 2023
    Date of Patent: March 3, 2026
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Wakamatsu, Daisuke Hamada
  • Publication number: 20260031275
    Abstract: 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: Application
    Filed: October 3, 2025
    Publication date: January 29, 2026
    Inventors: Toru WAKAMATSU, Daisuke HAMADA
  • Patent number: 12537134
    Abstract: 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: Grant
    Filed: September 27, 2023
    Date of Patent: January 27, 2026
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Wakamatsu, Daisuke Hamada
  • Patent number: 12512271
    Abstract: 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: Grant
    Filed: April 17, 2024
    Date of Patent: December 30, 2025
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Daisuke Hamada
  • Patent number: 12456580
    Abstract: 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: Grant
    Filed: September 27, 2023
    Date of Patent: October 28, 2025
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Wakamatsu, Daisuke Hamada
  • Patent number: 12451289
    Abstract: 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: Grant
    Filed: September 27, 2023
    Date of Patent: October 21, 2025
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Wakamatsu, Daisuke Hamada
  • Patent number: 12422746
    Abstract: 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: Grant
    Filed: September 4, 2022
    Date of Patent: September 23, 2025
    Assignee: FUJIFILM Corporation
    Inventor: Daisuke Hamada
  • Publication number: 20250229515
    Abstract: 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: Application
    Filed: April 4, 2023
    Publication date: July 17, 2025
    Applicant: TOPPAN Holdings Inc.
    Inventors: Daisuke HAMADA, Tomoko OOKI
  • Publication number: 20240343026
    Abstract: 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: Application
    Filed: August 5, 2022
    Publication date: October 17, 2024
    Applicant: TOPPAN Holdings Inc.
    Inventors: Daisuke HAMADA, Tomoko OOKI, Takayuki MINEKISHI
  • Publication number: 20240312712
    Abstract: 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: Application
    Filed: May 28, 2024
    Publication date: September 19, 2024
    Inventors: Daiki FUKUNAGA, Hideaki TANAKA, Masahiro WAKASHIMA, Daisuke HAMADA, Hironori TSUTSUMI, Satoshi MAENO, Ryota ASO, Koji MORIYAMA, Akihiro TSURU
  • Publication number: 20240274366
    Abstract: 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: Application
    Filed: April 17, 2024
    Publication date: August 15, 2024
    Inventor: Daisuke HAMADA
  • Patent number: 12020867
    Abstract: 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: Grant
    Filed: February 16, 2023
    Date of Patent: June 25, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Daiki Fukunaga, Hideaki Tanaka, Masahiro Wakashima, Daisuke Hamada, Hironori Tsutsumi, Satoshi Maeno, Ryota Aso, Koji Moriyama, Akihiro Tsuru
  • Publication number: 20240198642
    Abstract: 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: Application
    Filed: May 10, 2022
    Publication date: June 20, 2024
    Applicant: TOPPAN INC.
    Inventor: Daisuke HAMADA
  • Publication number: 20240145168
    Abstract: 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: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Inventor: Daisuke HAMADA
  • Publication number: 20240096553
    Abstract: 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: Application
    Filed: December 4, 2023
    Publication date: March 21, 2024
    Inventors: Ryota ASO, Daisuke HAMADA
  • Patent number: 11908877
    Abstract: 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: Grant
    Filed: September 3, 2019
    Date of Patent: February 20, 2024
    Assignee: FUJIFILM Corporation
    Inventor: Daisuke Hamada
  • Publication number: 20240029955
    Abstract: 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: Application
    Filed: September 27, 2023
    Publication date: January 25, 2024
    Inventors: Toru WAKAMATSU, Daisuke HAMADA
  • Publication number: 20240021367
    Abstract: 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: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Inventors: Toru WAKAMATSU, Daisuke HAMADA
  • Publication number: 20240021368
    Abstract: 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: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Inventors: Toru WAKAMATSU, Daisuke HAMADA