Patents by Inventor Makoto Oya
Makoto Oya 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: 20170236618Abstract: An insulated wire, having at least one foamed insulating layer composed of a thermosetting resin having bubbles, directly or indirectly on an outer periphery of a conductor, wherein the foamed insulating layer has a different bubble density in a thickness direction thereof; and a rotating electrical machine.Type: ApplicationFiled: May 5, 2017Publication date: August 17, 2017Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Kenji FUJIMORI, Makoto OYA, Ryosuke OBIKA
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Patent number: 9728296Abstract: An insulated wire having a conductor, a foamed insulating layer containing a thermosetting resin having cells, coated directly or indirectly onto the outer periphery of the conductor and an outer insulating layer containing a thermoplastic resin having a melting point of 240° C. or higher when the thermoplastic resin is a crystalline resin or a thermoplastic resin having a glass transition temperature of 240° C. or higher when the thermoplastic resin is a non-crystalline resin; electrical equipment using the insulated wire; and a method of producing the insulated wire, containing a step of forming a foamed insulating layer by applying a varnish for forming the foamed insulating layer on the outer periphery of a conductor, by generating foams during baking and a step of forming an outer insulating layer by extrusion-molding a thermoplastic resin composition for forming the outer insulating layer on the outer periphery of the foamed insulating layer.Type: GrantFiled: April 30, 2015Date of Patent: August 8, 2017Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Makoto Oya, Makoto Onodera, Keiichi Tomizawa
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Patent number: 9691521Abstract: A rectangular insulated wire includes a rectangular conductor having a generally rectangular cross section, a thermosetting resin layer provided to cover the rectangular conductor, and a plurality of thermoplastic resin layers provided on the thermosetting resin layer. An adhesion strength between the thermosetting resin layer and the thermoplastic resin layer is 50 gf/mm to 100 gf/mm.Type: GrantFiled: June 14, 2016Date of Patent: June 27, 2017Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Hideo Fukuda, Makoto Oya, Keisuke Ikeda, Satoko Yamoto, Tsuneo Aoi
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Publication number: 20170084361Abstract: An insulated wire which comprises an aluminum conductor, having: an adhesion layer formed by directly baking, on the aluminum conductor, varnish containing a carboxy group; an insulation layer as an outer layer of the adhesion layer; and a reinforcement insulation layer as an outer layer of the insulation layer; and a method of producing the same.Type: ApplicationFiled: December 2, 2016Publication date: March 23, 2017Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Makoto OYA, Ryousuke OBIKA, Keiichi TOMIZAWA
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Patent number: 9536636Abstract: An insulated wire including a laminated resin-coated insulated wire containing: a thermosetting resin layer (A) directly or via an insulating layer (D) on a conductor having a rectangular cross-section; and at least a thermoplastic resin layer (B) on the outer periphery of the thermosetting resin layer (A), in which the cross-sectional shape of the thermosetting resin layer (A) composed of two pairs of two sides facing each other, and has at least four convex portions each of which has a film thickness in maximum, at least one convex portion of the at least four convex portions is on each of the four sides, or at least two convex portions of the at least four convex portions are at least on each of the two sides facing each other, and in the each side having the convex portion, provided that a minimum film thickness is designated as “a” pm, and an average of maximum film thicknesses of the convex portions is designated as “b” pm, the a/b ratio is 0.60 or more and 0.Type: GrantFiled: June 24, 2016Date of Patent: January 3, 2017Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Keisuke Ikeda, Makoto Oya, Hideo Fukuda, Keiichi Tomizawa
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Publication number: 20160322126Abstract: An insulated wire, having a thermosetting resin layer, directly or by interposing an insulated layer, on a conductor having a rectangular cross-section, and a thermoplastic resin layer on the thermosetting resin layer, wherein the insulated wire contains a liquid component that is liquid at 25° C., and has a boiling point of 150° C. or higher in a proportion of 1,000 ppm or more and 20,000 ppm or less in the thermosetting resin layer; a coil formed by winding processing the insulated wire; and electrical/electronic equipment having the coil; and a method of preventing cracking of an insulated wire, wherein cracking caused in a thermoplastic resin layer as a covering resin layer is prevented from reaching the thermosetting resin layer by using the insulated wire which contains the liquid component in the proportion of 1,000 ppm or more and 20,000 ppm or less in the thermosetting resin layer.Type: ApplicationFiled: July 8, 2016Publication date: November 3, 2016Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Makoto OYA, Keisuke IKEDA
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Publication number: 20160307668Abstract: An insulated wire containing: at least one thermosetting resin layer; and at least one thermoplastic resin layer, provided in this order on a conductor having a rectangular cross-section, a curvature radius r of corner portions at both edges of at least one short side of the conductor being 0.6 mm or less, in which thickness t1 of the corner portion of the thermosetting resin layer and thickness t2 of the corner portion of the thermoplastic resin layer satisfy a relation expressed by the following Formula 1: t2/t1<1;??Formula 1: and a method of producing thereof, a motor coil, and an electric/electronic equipment.Type: ApplicationFiled: June 24, 2016Publication date: October 20, 2016Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Makoto OYA, Tsuneo AOI
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Publication number: 20160307663Abstract: An insulated wire comprising a laminated resin-coated insulated wire containing: a thermosetting resin layer (A) directly or via an insulating layer (D) on a conductor having a rectangular cross-section; and at least a thermoplastic resin layer (B) on the outer periphery of the thermosetting resin layer (A), in which the cross-sectional shape of the thermosetting resin layer (A) composed of two pairs of two sides facing each other, and has at least four convex portions each of which has a film thickness in maximum, at least one convex portion of the at least four convex portions is on each of the four sides, or at least two convex portions of the at least four convex portions are at least on each of the two sides facing each other, and in the each side having the convex portion, provided that a minimum film thickness is designated as “a” ?m, and an average of maximum film thicknesses of the convex portions is designated as “b” ?m, the a/b ratio is 0.60 or more and 0.Type: ApplicationFiled: June 24, 2016Publication date: October 20, 2016Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Keisuke IKEDA, Makoto OYA, Hideo FUKUDA, Keiichi TOMIZAWA
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Publication number: 20160307667Abstract: A rectangular insulated wire includes a rectangular conductor having a generally rectangular cross section, a thermosetting resin layer provided to cover the rectangular conductor, and a plurality of thermoplastic resin layers provided on the thermosetting resin layer. An adhesion strength between the thermosetting resin layer and the thermoplastic resin layer is 50 gf/mm to 100 gf/mm.Type: ApplicationFiled: June 14, 2016Publication date: October 20, 2016Inventors: Hiedeo Fukuda, Makoto Oya, Keisuke Ikeda, Satoko Yamoto, Tsuneo Aoi
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Publication number: 20160307662Abstract: An insulated wire, having a thermosetting resin covering (A), directly or by interposing an insulating layer (C), on a conductor having a rectangular cross-section, and a thermoplastic resin covering (B) on a periphery of the thermosetting resin covering (A), wherein the thermoplastic resin covering (B) has at least two layers of the thermoplastic resin layers, and the thermoplastic resin layers adjacent to each other are formed of thermoplastic resins different from each other, at least one layer of the thermoplastic resin layers is formed of polyether ether ketone or modified polyether ether ketone, and a total thickness of the thermoplastic resin layers is 60 to 120 ?m, and a thickness of a thinnest thermoplastic resin layer is 5 to 20 ?m; and a coil formed by winding processing the insulated wire and an electrical equipment having the coil.Type: ApplicationFiled: June 24, 2016Publication date: October 20, 2016Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Keisuke IKEDA, Makoto OYA, Hideo FUKUDA
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Patent number: 9443643Abstract: An insulated wire, containing: a conductor; a foamed insulating layer; and an unfoamed filled layer on the outer circumference of the foamed insulating layer, in which the filled layer contains a partial discharge resistant material, which insulated wire has all of high partial discharge inception voltage, resistance to partial discharge, heat resistance, and abrasion resistance (scratch resistance).Type: GrantFiled: August 14, 2014Date of Patent: September 13, 2016Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Daisuke Muto, Makoto Oya, Satoshi Naka
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Patent number: 9424961Abstract: An insulated wire having a rectangular shaped cross-section, containing: a conductor having a rectangular shaped cross-section; and an insulating layer coated on the conductor, in which the insulating layer has a foamed layer composed of a thermosetting resin containing bubbles, the cross-section of the insulating layer has a shape composed of a flat portion and a corner portion, and the insulating layer satisfies the relationship represented by the following formula: ?1<3 and (T2/?2)>(T1/?1) wherein T1 [?m] represents a thickness of the flat portion; ?1 represents a relative dielectric constant of the flat portion; T2 [?m] represents a thickness of the corner portion; and ?2 represents a relative dielectric constant of the corner portion, and an electric/electronic equipment, a motor, or a transformer, using the insulated wire.Type: GrantFiled: October 23, 2015Date of Patent: August 23, 2016Assignees: Furukawa Electric Co., Ltd., Furukawa Magnet Wire Co., Ltd.Inventors: Makoto Oya, Daisuke Muto, Keiichi Tomizawa
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Publication number: 20160132534Abstract: An information processing device that presents at least one of data stored in memory or indexes corresponding to the data; receives a selection of the presented at least one of the data or the indexes corresponding to the data; obtains information related to the selected at least one of the data or the indexes corresponding to the data; generates at least one search key abstracted from the obtained information; searches for data within the memory based on the at least one search key; and presents at least one of the data or indexes corresponding to the data as a search result.Type: ApplicationFiled: January 19, 2016Publication date: May 12, 2016Applicant: MELCO HOLDINGS INC.Inventors: Takeshi MORIMOTO, Shingo NISHIOKA, Kentarou SUZUKI, Daisuke MAKI, Makoto OYA, Masayuki NEMOTO
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Patent number: 9286360Abstract: An information processing device that presents at least one of data stored in memory or indexes corresponding to the data; receives a selection of the presented at least one of the data or the indexes corresponding to the data; obtains information related to the selected at least one of the data or the indexes corresponding to the data; generates at least one search key abstracted from the obtained information; searches for data within the memory based on the at least one search key; and presents at least one of the data or indexes corresponding to the data as a search result.Type: GrantFiled: September 20, 2013Date of Patent: March 15, 2016Assignee: MELCO HOLDINGS INC.Inventors: Takeshi Morimoto, Shingo Nishioka, Kentarou Suzuki, Daisuke Maki, Makoto Oya, Masayuki Nemoto
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Publication number: 20160055940Abstract: An insulated wire having a rectangular shaped cross-section, containing: a conductor having a rectangular shaped cross-section; and an insulating layer coated on the conductor, in which the insulating layer has a foamed layer composed of a thermosetting resin containing bubbles, the cross-section of the insulating layer has a shape composed of a flat portion and a corner portion, and the insulating layer satisfies the relationship represented by the following formula: ?1<3 and (T2/?2)>(T1/?1) wherein T1 [?m] represents a thickness of the flat portion; ?1 represents a relative dielectric constant of the flat portion; T2 [?m] represents a thickness of the corner portion; and ?2 represents a relative dielectric constant of the corner portion, and an electric/electronic equipment, a motor, or a transformer, using the insulated wire.Type: ApplicationFiled: October 23, 2015Publication date: February 25, 2016Applicants: FURUKAWA MAGNET WIRE CO., LTD., FURUKAWA ELECTRIC CO., LTD.Inventors: Makoto OYA, Daisuke MUTO, Keiichi TOMIZAWA
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Patent number: 9196401Abstract: An insulated wire, containing: an insulating film made from a thermosetting resin disposed on a conductor directly or via an insulating layer interposed therebetween, in which the insulating film made from a thermosetting resin is a layer containing bubbles prepared by baking a varnish of thermosetting resin, and a layer containing no bubbles is formed as an upper or lower layer of the layer containing bubbles.Type: GrantFiled: August 14, 2014Date of Patent: November 24, 2015Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Makoto Oya, Daisuke Muto, Makoto Onodera, Keiichi Tomizawa
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Publication number: 20150325333Abstract: An enamel resin-insulating laminate that has a foamed region including cells and a non-foamed region including no cells on at least one surface of the foamed region, and is shaped into a flat plate form or cylindrical form, wherein the foamed region is configured such that a non-cell layer including no cells has cell layers formed of closed cells on both surface sides of the non-cell layer, a thickness of the non-cell layer is larger than a thickness of a partition wall among the closed cells, and 5 to 60% of a thickness of the foamed region, and at least the cell layer in the foamed region is formed of a thermosetting resin; an inverter surge-resistant insulated wire having a conductor and the enamel resin-insulating laminate; and electric/electronic equipment.Type: ApplicationFiled: July 22, 2015Publication date: November 12, 2015Applicants: FURUKAWA MAGNET WIRE CO., LTD., FURUKAWA ELECTRIC CO., LTD.Inventors: Daisuke MUTO, Makoto OYA, Keiichi TOMIZAWA
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Publication number: 20150310959Abstract: An insulated wire having a conductor, a foamed insulating layer containing a thermosetting resin having cells, coated directly or indirectly onto the outer periphery of the conductor and an outer insulating layer containing a thermoplastic resin having a melting point of 240° C. or higher when the thermoplastic resin is a crystalline resin or a thermoplastic resin having a glass transition temperature of 240° C. or higher when the thermoplastic resin is a non-crystalline resin; electrical equipment using the insulated wire; and a method of producing the insulated wire, containing a step of forming a foamed insulating layer by applying a varnish for forming the foamed insulating layer on the outer periphery of a conductor, by generating foams during baking and a step of forming an outer insulating layer by extrusion-molding a thermoplastic resin composition for forming the outer insulating layer on the outer periphery of the foamed insulating layer.Type: ApplicationFiled: April 30, 2015Publication date: October 29, 2015Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Makoto OYA, Makoto ONODERA, Keiichi TOMIZAWA
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Patent number: 9142334Abstract: A foamed electrical wire, containing: a conductor; and a foamed insulating layer; in which the foamed insulating layer comprises a thermoplastic resin that is a crystalline thermoplastic resin having a melting point of 150° C. or more or a non-crystalline thermoplastic resin having a glass transition temperature of 150° C. or more, and the average bubble diameter of the foamed insulating layer is 5 ?m or less.Type: GrantFiled: September 11, 2012Date of Patent: September 22, 2015Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Daisuke Muto, Makoto Oya, Yousuke Kokubo, Akira Tanaka
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Publication number: 20150262732Abstract: An insulated wire, containing a conductor, an insulating layer that directly or indirectly coats the outer periphery of the conductor and includes a foaming thermosetting resin, and an outer non-foamed insulating layer that directly or indirectly coats the outer periphery of the insulating layer, wherein the insulating layer has a thickness deformation ratio of 15% or more and 50% or less upon applying a pressure of 1 MPa at 25° C., wherein the outer non-foamed insulating layer has pencil hardness of 4H or more, and wherein a ratio of thickness of the insulating layer to the outer non-foamed insulating layer is 20:80 to 80:20; and a motor, wherein the insulated wire is wound into a stator slot in a state in which pressure is applied in a direction for reducing the outer diameter of the insulated wire and a thickness of the insulating layer is reduced.Type: ApplicationFiled: June 1, 2015Publication date: September 17, 2015Applicants: FURUKAWA MAGNET WIRE CO., LTD., FURUKAWA ELECTRIC CO., LTD.Inventors: Makoto OYA, Daisuke MUTO, Keiichi TOMIZAWA