Patents by Inventor Yoshihiro Furukawa
Yoshihiro Furukawa 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: 20240153479Abstract: Provided are an acoustic matching layer material containing an epoxy resin (A) component having an epoxy equivalent weight of 140 or less and metal particles (B) having a density of 10 g/cm3 or more at 20° C., in which a content of particles (C) having a density of less than 4.5 g/cm3 at 20° C. is less than 5% by mass; an acoustic matching sheet; a composition for an acoustic matching layer material; an acoustic wave probe; an acoustic wave measurement apparatus; and a manufacturing method of an acoustic wave probe.Type: ApplicationFiled: December 27, 2023Publication date: May 9, 2024Applicant: FUJIFILM CorporationInventors: Kazushi FURUKAWA, Yoshihiro NAKAI
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Publication number: 20240138809Abstract: Provided are an acoustic matching layer material containing a curing reaction product obtained by reacting an epoxy resin (A) having an epoxy equivalent weight of 140 or less with at least one of a curing agent (B-1) which is a monomer or a curing catalyst (B-2), and metal particles (C) having a density of 4.5 g/cm3 or more and less than 10 g/cm3 at 20° C., in which a content of particles (D) having a density of less than 4.5 g/cm3 at 20° C. is less than 5% by mass; an acoustic matching sheet; a composition for an acoustic matching layer material; an acoustic wave probe; an acoustic wave measurement apparatus; and a manufacturing method of an acoustic wave probe.Type: ApplicationFiled: December 27, 2023Publication date: May 2, 2024Applicant: FUJIFILM CorporationInventors: Kazushi Furukawa, Yoshihiro Nakai
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Patent number: 11948720Abstract: An inductor includes a wire having a generally circular shape in cross section, and the magnetic layer covering the wire, wherein the wire includes a conductive wire and an insulating layer covering the conductive wire, the magnetic layer contains anisotropic magnetic particles and a binder, and includes in a surrounding region of the wire within 1.5 times the radius of the wire, a first region in which the anisotropic magnetic particles are oriented along the circumferential direction of the wire, and a second region in which the anisotropic magnetic particles are oriented along the crossing direction that crosses the circumferential direction, or in which the anisotropic magnetic particles are not oriented.Type: GrantFiled: June 4, 2019Date of Patent: April 2, 2024Assignee: NITTO DENKO CORPORATIONInventors: Yoshihiro Furukawa, Keisuke Okumura
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Publication number: 20240096914Abstract: Provided is an imaging element including a photoelectric conversion unit formed by stacking a first electrode, a photoelectric conversion layer and a second electrode. The photoelectric conversion unit further includes a charge storage electrode which is disposed to be spaced apart from the first electrode and disposed opposite to the photoelectric conversion layer via an insulating layer. The photoelectric conversion unit is formed of N number of photoelectric conversion unit segments, and the same applies to the photoelectric conversion layer, the insulating layer and the charge storage electrode. An nth photoelectric conversion unit segment is formed of an nth charge storage electrode segment, an nth insulating layer segment and an nth photoelectric conversion layer segment. As n increases, the nth photoelectric conversion unit segment is located farther from the first electrode. A thickness of the insulating layer segment gradually changes from a first to Nth photoelectric conversion unit segment.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: SONY GROUP CORPORATIONInventors: Akira FURUKAWA, Yoshihiro ANDO, Hideaki TOGASHI, Fumihiko KOGA
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Patent number: 11932762Abstract: A two-component adhesive for an endoscope and a cured product thereof, the adhesive having a base resin and a curing agent. The base resin contains an epoxy resin (A), and the epoxy resin (A) includes an epoxy resin (a) having an average degree of polymerization of 2 or more. Also disclosed are an endoscope produced by using the adhesive for an endoscope and a method for producing the endoscope.Type: GrantFiled: July 23, 2020Date of Patent: March 19, 2024Assignee: FUJIFILM CorporationInventors: Kazushi Furukawa, Yoshihiro Nakai, Shigeki Uehira
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Publication number: 20240087794Abstract: An inductor including a magnetic layer, and a plurality of wires embedded in the magnetic layer and extending in a longitudinal direction. The plurality of wires are spaced in parallel at predetermined intervals in a direction perpendicular to the longitudinal direction. The magnetic layer includes a plurality of wire disposed portions in which the wires are regularly disposed in parallel to each other, and a margin portion that is disposed between the wire disposed portions adjacent to each other in a parallel direction of the wires and in which the wires are omitted.Type: ApplicationFiled: February 3, 2022Publication date: March 14, 2024Applicant: NITTO DENKO CORPORATIONInventors: Yoshihiro FURUKAWA, Keisuke OKUMURA
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Publication number: 20230411061Abstract: A laminated sheet includes a sheet-shaped inductor including a plurality of wirings and a magnetic layer embedding the plurality of wirings, and a processing stability layer disposed on at least one surface in a thickness direction of the inductor. The magnetic layer includes a binder and a magnetic particle having a generally flat shape and whose material is a metal. The processing stability layer includes a cured product of a thermosetting resin composition. The thermosetting resin composition includes a thermosetting resin as an essential component. The thermosetting resin composition includes at least one kind of particle, as an optical component, selected from the group consisting of a first particle having a generally spherical shape and a second particle having a generally flat shape and whose material is an inorganic compound.Type: ApplicationFiled: August 24, 2023Publication date: December 21, 2023Applicant: NITTO DENKO CORPORATIONInventors: Yoshihiro FURUKAWA, Keisuke OKUMURA
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Publication number: 20230402210Abstract: A magnetic sheet has a first principal surface and a second principal surface facing each other in the thickness direction. The magnetic sheet contains magnetic particles and resin. The ratio of the total amount of carbon and oxygen on one of the first principal surface and second principal surface is 10 mass % or more and 60 mass % or less.Type: ApplicationFiled: November 11, 2021Publication date: December 14, 2023Applicant: NITTO DENKO CORPORATIONInventors: Hiroki SENDA, Keisuke OKUMURA, Yoshihiro FURUKAWA
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Patent number: 11783983Abstract: A laminated sheet includes a sheet-shaped inductor including a plurality of wirings and a magnetic layer embedding the plurality of wirings, and a processing stability layer disposed on at least one surface 6 in a thickness direction of the inductor. The magnetic layer includes a binder and a magnetic particle having a generally flat shape and whose material is a metal. The processing stability layer includes a cured product of a thermosetting resin composition. The thermosetting resin composition includes a thermosetting resin as an essential component. The thermosetting resin composition includes at least one kind of particle, as an optical component, selected from the group consisting of a first particle having a generally spherical shape and a second particle having a generally flat shape and whose material is an inorganic compound.Type: GrantFiled: February 12, 2021Date of Patent: October 10, 2023Assignee: NITTO DENKO CORPORATIONInventors: Yoshihiro Furukawa, Keisuke Okumura
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Patent number: 11756985Abstract: An exemplary embodiment of the present invention provides a planar inductor including a substrate, a first magnetic layer, a conductive coil, and a second magnetic layer. The first magnetic layer can be disposed on at least a portion of the substrate. The conductive coil can be disposed on a first portion of the first magnetic layer. The second magnetic layer can be disposed on a second portion of the first magnetic layer and on at least a portion of the conductive coil.Type: GrantFiled: November 16, 2017Date of Patent: September 12, 2023Assignees: Georgia Tech Research Corporation, NITTO DENKO CORPORATIONInventors: Markondeya Raj Pulugurtha, Yoshihiro Furukawa, Himani Sharma, Keiji Takemura, Rao R. Tummala, Teng Sun
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Patent number: 11735355Abstract: An inductor includes a wire having a width W, and a first electrode and a second electrode continuous to each of both ends of the wire. The wire, the first electrode, and the second electrode are present on the same plane. The plane area S1 of the first electrode and the plane area S2 of the second electrode are a square value (W2) or more of the width W. An area in which the wire is disposed is positioned between the first electrode and the second electrode. The area has a length X in a longitudinal direction equal to a length L between the first electrode and the second electrode along a facing direction of the first electrode and the second electrode, and a length Y in a short-length direction in a direction perpendicular to the longitudinal direction. The length X in the longitudinal direction is 1.5 times or more of the length Y in the short-length direction.Type: GrantFiled: September 5, 2018Date of Patent: August 22, 2023Assignee: NITTO DENKO CORPORATIONInventor: Yoshihiro Furukawa
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Patent number: 11508507Abstract: A magnetic wiring circuit board includes an insulating layer; a wire disposed on a one-side surface in a thickness direction of the insulating layer and having a one-side surface in the thickness direction disposed to face the one-side surface in the thickness direction of the insulting layer at spaced intervals thereto, an other-side surface in the thickness direction in contact with the one-side surface in the thickness direction of the insulating layer, and side surfaces each connecting an end edge of the one-side surface in the thickness direction to an end edge of the other-side surface in the thickness direction; and a magnetic layer containing a magnetic particle having a shape of an aspect ratio of 2 or more and embedding the wire.Type: GrantFiled: October 19, 2018Date of Patent: November 22, 2022Assignee: NITTO DENKO CORPORATIONInventors: Keisuke Okumura, Yoshihiro Furukawa
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Publication number: 20220285072Abstract: An inductor includes a first wire and a second wire, a first magnetic layer containing magnetic particles having an approximately spherical shape, a second magnetic layer containing magnetic particles having an approximately flat shape, and a third magnetic layer containing magnetic particles having an approximately flat shape. The relative permeability of each of the second magnetic layer and the third magnetic layer is higher than the relative permeability of the first magnetic layer. A fourth surface of the first magnetic layer has a second concave portion. A sixth surface of the third magnetic layer has a fourth concave portion.Type: ApplicationFiled: June 19, 2020Publication date: September 8, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yoshihiro FURUKAWA, Keisuke OKUMURA
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Publication number: 20220285085Abstract: An inductor includes a first wire adjacent to a second wire and separated by an interval; a first magnetic layer having first and second surfaces separated from each other by an interval, and an inner peripheral surface in contact with an outer peripheral surface of the first and second wires between the first and second surfaces; a second magnetic layer disposed on the first surface; and a third magnetic layer disposed on the second surface. The second magnetic layer has a third surface facing and separated from the first surface by an interval in the thickness direction. The relative permeability of each of the second and third magnetic layers is higher than that of the first magnetic layer. The inductor includes a suppression portion located between the first and second wires which suppresses the magnetic coupling between the first and second wires.Type: ApplicationFiled: June 19, 2020Publication date: September 8, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yoshihiro FURUKAWA, Keisuke OKUMURA
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Publication number: 20220285091Abstract: A method for producing an inductor includes a first step of preparing a heat press machine and a second step. The heat press machine includes a first mold; a second mold separated from the first mold by an interval therebetween, and smaller than the first mold; an internal frame member surrounding a periphery of the second mold, separated from the first mold by an interval therebetween in a press direction, and movable with respect to the second mold in the press direction; and a fluid and flexible sheet disposed on a second press surface of the second mold. In the second step, a magnetic sheet containing magnetic particles and a thermosetting resin and a plurality of wires separated from each other by an interval therebetween are heat pressed by the heat press machine.Type: ApplicationFiled: June 19, 2020Publication date: September 8, 2022Applicant: NITTO DENKO CORPORATIONInventors: Keisuke OKUMURA, Yoshihiro FURUKAWA
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Patent number: 11387040Abstract: A method for producing a module includes a first step of preparing a conductive layer disposed at one side in a thickness direction of a first peeling layer, a second step of forming a conductive pattern from the conductive layer, a third step of pushing the conductive pattern into a first adhesive layer containing a first magnetic particle and a first resin component, and a fourth step of peeling the first peeling layer.Type: GrantFiled: November 16, 2017Date of Patent: July 12, 2022Assignee: NITTO DENKO CORPORATIONInventors: Keisuke Okumura, Yoshihiro Furukawa
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Publication number: 20220165473Abstract: An inductor includes a wire, and a magnetic layer covering the wire. The wire includes a conducting line, and an insulating layer. The magnetic layer contains an anisotropic magnetic particle and a binder. In a peripheral region of the wire, the magnetic layer includes an orientated region in which the anisotropic magnetic particle is orientated along the periphery of the wire. The peripheral region is, in a cross-sectional view, a region from an outer surface of the wire to an outward distance of 1.5 times an average of the longest length and the shortest length from the center of gravity of the wire to the outer surface of the wire. An upper surface and a lower surface of the inductor are flat.Type: ApplicationFiled: February 5, 2020Publication date: May 26, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yoshihiro FURUKAWA, Keisuke OKUMURA
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Publication number: 20220165481Abstract: An inductor includes a wire, and a magnetic layer having a sheet shape and for embedding the wire. The wire includes a conducting wire, and an insulating film disposed on a conducting wire circumferential surface of the conducting wire. The magnetic layer contains an anisotropic magnetic particle at a ratio of 40% by volume or more. Of a first plane section, a second plane section, and a third plane section along a plane direction of the magnetic layer described below, when viewed in at least each of the two plane sections, in a first direction perpendicular to a flow direction and a thickness direction, an orientated region in which the anisotropic magnetic particle is orientated in the flow direction is observed in a vicinity region within 50 ?m from a first directional outer end edge of the insulating film outwardly.Type: ApplicationFiled: February 5, 2020Publication date: May 26, 2022Applicant: NITTO DENKO CORPORATIONInventors: Keisuke OKUMURA, Yoshihiro FURUKAWA
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Publication number: 20220165472Abstract: An inductor 1 includes a wire 2, and a magnetic layer 3 covering the wire 2. The wire 2 includes a conducting line 6, and an insulating layer 7 covering the conducting line 6. The magnetic layer 3 includes a magnetic particle and a binder 9. In a peripheral region 4 of the wire 2, a filling rate of the magnetic particle is 40% by volume or more. The peripheral region 4 is a region of the magnetic layer 3 traveling outwardly from an outer peripheral surface of the wire 2 by 1.5 times an average of the longest length and the shortest length from the center of gravity C of the wire 2 to an outer surface of the wire 2 in a cross-sectional view.Type: ApplicationFiled: February 5, 2020Publication date: May 26, 2022Applicant: NITTO DENKO CORPORATIONInventors: Keisuke OKUMURA, Yoshihiro FURUKAWA
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Publication number: 20220165465Abstract: An inductor includes a wire including a conducting line, and an insulating film disposed on an entire circumferential surface of the conducting line, and a magnetic layer embedding the wire. The magnetic layer contains a magnetic particle. The magnetic layer includes a first layer in contact with the circumferential surface of the wire, a second layer in contact with the surface of the first layer, . . . and the n-th layer (n is a positive number of 3 or more) in contact with the surface of the (n?1)th layer. In the two layers adjacent to each other in the magnetic layer, the relative magnetic permeability of the layer closer to the wire is lower than the relative magnetic permeability of the layer farther from the wire.Type: ApplicationFiled: February 5, 2020Publication date: May 26, 2022Applicant: NITTO DENKO CORPORATIONInventors: Keisuke OKUMURA, Yoshihiro FURUKAWA