Patents by Inventor Akinori Hamada
Akinori 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: 11942255Abstract: An inductor component includes an element body including a magnetic layer containing a resin and a magnetic powder; a coil wiring line arranged inside the element body; and an insulating coating film covering the coil wiring line and not including a magnetic material. In a cross section perpendicular to an extension direction of the coil wiring line, a top surface thickness of a part of the insulating coating film covering the top surface of the coil wiring line and a side surface thickness of parts of the insulating coating film covering side surfaces of the coil wiring line are less than or equal to 10 ?m, and a corner thickness of parts of the insulating coating film that cover corners of the coil wiring line interposed between the top surface and the side surfaces is at least half of the top surface thickness and/or the side surface thickness.Type: GrantFiled: August 25, 2020Date of Patent: March 26, 2024Assignee: Murata Manufacturing Co., Ltd.Inventors: Ryuichiro Tominaga, Koichi Yamaguchi, Akinori Hamada, Isamu Miyake, Shinya Hirai
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Patent number: 11876449Abstract: An inductor component includes a composite body that includes a plurality of composite layers each including a composite material of an inorganic filler and a resin; and a plurality of spiral wires that each are stacked on the composite layer, the spiral wires each being covered with the other composite layer. The average particle diameter of the inorganic filler is equal to or smaller than 5 ?m, the wire pitch of the spiral wires is equal to or smaller than 10 ?m, and the interlayer pitch between adjacent spiral wires is equal to or smaller than 10 ?m.Type: GrantFiled: June 5, 2020Date of Patent: January 16, 2024Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Yoshimasa Yoshioka, Hayami Kudo, Shinji Yasuda
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Publication number: 20230420180Abstract: An inductor array component includes a substantially flat plate-shaped main body including a magnetic layer having resin and metal magnetic powder contained in the resin, a first inductor wiring and a second inductor wiring disposed on the same plane in the main body and adjacent to each other, and a plurality of first vertical wirings extending in a first direction of a normal direction with respect to the plane so as to penetrate through inside of the main body and being exposed on a side of a first main surface of the main body. Also, the inductor array component includes a plurality of second vertical wirings extending in a second direction of the normal direction with respect to the plane so as to penetrate through the inside of the main body and being exposed on a side of a second main surface of the main body.Type: ApplicationFiled: September 13, 2023Publication date: December 28, 2023Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA
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Patent number: 11783994Abstract: An inductor array component includes a substantially flat plate-shaped main body including a magnetic layer having resin and metal magnetic powder contained in the resin, a first inductor wiring and a second inductor wiring disposed on the same plane in the main body and adjacent to each other, and a plurality of first vertical wirings extending in a first direction of a normal direction with respect to the plane so as to penetrate through inside of the main body and being exposed on a side of a first main surface of the main body. Also, the inductor array component includes a plurality of second vertical wirings extending in a second direction of the normal direction with respect to the plane so as to penetrate through the inside of the main body and being exposed on a side of a second main surface of the main body.Type: GrantFiled: October 21, 2020Date of Patent: October 10, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Akinori Hamada
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Patent number: 11742127Abstract: An inductor component includes a base body, a first coil line and a second coil line, a first substantially columnar line and a second substantially columnar line, and a third substantially columnar line and a fourth substantially columnar line. The first substantially columnar line is located closer to the third substantially columnar line than the fourth substantially columnar line. A minimum distance X1 between the first substantially columnar line and the third substantially columnar line is shorter than a minimum distance Y between a first portion of the first coil line and a second portion of the second coil line.Type: GrantFiled: July 30, 2020Date of Patent: August 29, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Isamu Miyake, Shinya Hirai, Akinori Hamada, Ryuichiro Tominaga, Koichi Yamaguchi
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Patent number: 11735353Abstract: An inductor component comprising an insulating layer containing no magnetic substance, a spiral wiring formed on a first principal surface of the insulating layer and wound on the first principal surface, and a magnetic layer in contact with at least a portion of the spiral wiring.Type: GrantFiled: January 9, 2019Date of Patent: August 22, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Shinya Hirai, Koki Okamura, Akinori Hamada, Tomohiro Kido
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Publication number: 20230260696Abstract: An inductor component comprising a spiral wiring wound on a plane; a first magnetic layer and a second magnetic layer located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane on which the spiral wiring is wound; a vertical wiring extending from the spiral wiring in the normal direction to pass through the first magnetic layer; and an external terminal disposed on a surface of the first magnetic layer to connect an end surface of the vertical wiring. The first magnetic layer has magnetic permeability lower than that of the second magnetic layer.Type: ApplicationFiled: April 28, 2023Publication date: August 17, 2023Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Keisuke KUNIMORI, Akinori HAMADA
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Patent number: 11688544Abstract: An inductor component comprising a first magnetic layer, a spiral wiring disposed on the first magnetic layer, and a second magnetic layer covering the spiral wiring. The first magnetic layer and the second magnetic layer contain a magnetic powder and a resin containing the magnetic powder, and the spiral wiring includes a spiral-shaped first conductor layer and a second conductor layer disposed on the first conductor layer and shaped along the first conductor layer.Type: GrantFiled: July 3, 2019Date of Patent: June 27, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Shinji Yasuda, Yoshimasa Yoshioka
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Patent number: 11682517Abstract: An inductor component comprises an element body; first and second inductors in the body; first and second columnar wirings in the body with end surfaces exposed from a first principal surface of the body and electrically connected to the first inductor; third and fourth columnar wirings in the body with end surfaces exposed from the first principal surface and electrically connected to the second inductor; first through fourth external terminals contacting the end surfaces of the first through fourth columnar wirings, respectively; and an insulating film on the first principal surface covering a portion of the end surface of the first and third columnar wiring not contacting the first and third terminals, respectively. The first terminal is closer to the third terminal than the fourth terminal, and a shortest distance between the first and third terminals is longer than a shortest distance between the first and third columnar wirings.Type: GrantFiled: September 16, 2019Date of Patent: June 20, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Hayami Kudo, Koichi Yamaguchi, Yoshimasa Yoshioka
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Patent number: 11676761Abstract: An inductor component comprising a spiral wiring wound on a plane; a first magnetic layer and a second magnetic layer located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane on which the spiral wiring is wound; a vertical wiring extending from the spiral wiring in the normal direction to pass through the first magnetic layer; and an external terminal disposed on a surface of the first magnetic layer to connect an end surface of the vertical wiring. The first magnetic layer has magnetic permeability lower than that of the second magnetic layer.Type: GrantFiled: October 9, 2018Date of Patent: June 13, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Keisuke Kunimori, Akinori Hamada
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Patent number: 11610712Abstract: An inductor component comprising a magnetic layer containing a magnetic powder and a resin containing the magnetic powder, a first spiral wiring and a second spiral wiring disposed on the same plane in the magnetic layer and adjacent to each other, and an insulating layer disposed between the first spiral wiring and the second spiral wiring and containing no magnetic substance. The first spiral wiring includes a first side surface facing the second spiral wiring, and at least a portion of the first side surface is in contact with the magnetic layer.Type: GrantFiled: July 2, 2019Date of Patent: March 21, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoshinori Taguchi, Yoshimasa Yoshioka, Akinori Hamada
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Publication number: 20220277878Abstract: An inductor component comprising a spiral wiring wound on a plane; first and second magnetic layers located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane of the wound spiral wiring; a vertical wiring extending from the spiral wiring in the normal direction to penetrate at least the inside of the first magnetic layer; and an external terminal disposed on at least a surface of the first magnetic layer to cover an end surface of the vertical wiring. The first magnetic layer is larger than the second magnetic layer in terms of the area of the external terminal viewed in the normal direction, and when A is the thickness of the first magnetic layer and B is the thickness of the second magnetic layer, A/((A+B)/2) is from 0.6 to 1.6.Type: ApplicationFiled: May 18, 2022Publication date: September 1, 2022Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Ryuichiro TOMINAGA, Akinori HAMADA
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Patent number: 11367552Abstract: An inductor component comprising a spiral wiring wound on a plane; first and second magnetic layers located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane of the wound spiral wiring; a vertical wiring extending from the spiral wiring in the normal direction to penetrate at least the inside of the first magnetic layer; and an external terminal disposed on at least a surface of the first magnetic layer to cover an end surface of the vertical wiring. The first magnetic layer is larger than the second magnetic layer in terms of the area of the external terminal viewed in the normal direction, and when A is the thickness of the first magnetic layer and B is the thickness of the second magnetic layer, A/((A+B)/2) is from 0.6 to 1.6.Type: GrantFiled: July 19, 2018Date of Patent: June 21, 2022Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Ryuichiro Tominaga, Akinori Hamada
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Patent number: 11328858Abstract: An inductor component including a spiral wiring wound into a planar shape. A first magnetic layer and a second magnetic layer are located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane of the wound spiral wiring. A vertical wiring extending from the spiral wiring in the normal direction penetrates the inside of the first magnetic layer or the second magnetic layer.Type: GrantFiled: August 12, 2020Date of Patent: May 10, 2022Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Akinori Hamada
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Patent number: 11227715Abstract: An electronic component includes a main body made of an insulator, a circuit element positioned inside the main body, and outer electrodes. The outer electrodes are constituted of bottom surface electrodes and post-like electrodes. The post-like electrodes are extended from a bottom surface of the main body toward the interior of the main body. Further, the post-like electrodes are embedded in the main body, and parts of the post-like electrodes are exposed to side surfaces of the main body. Furthermore, the bottom surface electrodes are made of a resin containing metal powder.Type: GrantFiled: October 14, 2016Date of Patent: January 18, 2022Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Hayami Kudo, Ryo Okura, Shinji Otani
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Publication number: 20210193370Abstract: A coil component including 2N coils, N being an integer of two or more, wherein the 2N coils are configured to form N pairs, and wherein when coils other than a first coil and a second coil forming one of the N pairs are defined as the other coils, a magnetic coupling between the first coil and the second coil is stronger than a magnetic coupling between the first coil and each of the other coils.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA, Atsuo HIRUKAWA
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Publication number: 20210125776Abstract: An inductor array component includes a substantially flat plate-shaped main body including a magnetic layer having resin and metal magnetic powder contained in the resin, a first inductor wiring and a second inductor wiring disposed on the same plane in the main body and adjacent to each other, and a plurality of first vertical wirings extending in a first direction of a normal direction with respect to the plane so as to penetrate through inside of the main body and being exposed on a side of a first main surface of the main body. Also, the inductor array component includes a plurality of second vertical wirings extending in a second direction of the normal direction with respect to the plane so as to penetrate through the inside of the main body and being exposed on a side of a second main surface of the main body.Type: ApplicationFiled: October 21, 2020Publication date: April 29, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA
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Patent number: 10978238Abstract: A coil component including 2N coils, N being an integer of two or more, wherein the 2N coils are configured to form N pairs, and wherein when coils other than a first coil and a second coil forming one of the N pairs are defined as the other coils, a magnetic coupling between the first coil and the second coil is stronger than a magnetic coupling between the first coil and each of the other coils.Type: GrantFiled: May 4, 2017Date of Patent: April 13, 2021Assignee: Murata Manuufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Akinori Hamada, Atsuo Hirukawa
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Publication number: 20210090781Abstract: An inductor component includes an element body including a magnetic layer containing a resin and a magnetic powder; a coil wiring line arranged inside the element body; and an insulating coating film covering the coil wiring line and not including a magnetic material. In a cross section perpendicular to an extension direction of the coil wiring line, a top surface thickness of a part of the insulating coating film covering the top surface of the coil wiring line and a side surface thickness of parts of the insulating coating film covering side surfaces of the coil wiring line are less than or equal to 10 ?m, and a corner thickness of parts of the insulating coating film that cover corners of the coil wiring line interposed between the top surface and the side surfaces is at least half of the top surface thickness and/or the side surface thickness.Type: ApplicationFiled: August 25, 2020Publication date: March 25, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Ryuichiro TOMINAGA, Koichi YAMAGUCHI, Akinori HAMADA, Isamu MIYAKE, Shinya HIRAI
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Patent number: 10952326Abstract: A printed wiring board comprises a sheet-shaped core base material containing a magnetic material, a coil disposed inside the core base material, and an external circuit layer disposed on at least one of first and second surfaces of the core base material opposite to each other.Type: GrantFiled: April 28, 2020Date of Patent: March 16, 2021Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Yoshimasa Yoshioka, Yoshinori Taguchi, Ryuichiro Tominaga