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: 10453602Abstract: 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 22, 2017Date of Patent: October 22, 2019Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Akinori Hamada
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Publication number: 20190244743Abstract: 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: ApplicationFiled: January 9, 2019Publication date: August 8, 2019Applicant: Murata Manufacturing Co., Ltd.Inventors: Shinya HIRAI, Koki OKAMURA, Akinori HAMADA, Tomohiro KIDO
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Publication number: 20190215962Abstract: An inductor having an excellent Q values is provided with a configuration in which an inductor and a capacitor are integrally formed in a single element. Specifically, an LC device is provided that includes an element, an inductor, a capacitor, and a magnetic body portion. The element has a planar shape, and includes an insulating resin layer at at least part of the element. The inductor includes a loop-shaped conductor pattern and is formed inside the element. The capacitor is a mounting-type element, and is disposed in an opening of the loop-shaped conductor pattern and inside the element with at least a mounting surface of the capacitor being in contact with the resin layer. The magnetic body portion forms part of the element and is disposed between the conductor pattern and the capacitor over substantially an entire length of the loop-shaped conductor pattern.Type: ApplicationFiled: March 13, 2019Publication date: July 11, 2019Inventors: Souko Fukahori, Toshiyuki Nakaiso, Akinori Hamada
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Patent number: 10325711Abstract: A coil component: including a first planar spiral wiring and a second planar spiral wiring located above the first planar spiral wiring in a laminated direction and interconnected through connection vias to the first planar spiral wiring. The second planar spiral wiring is wound in a direction different from a winding direction of the first planar spiral wiring when viewed in the laminated direction. The first planar spiral wiring and the second planar spiral wiring have respective innermost circumferential overlapping portions overlapping with each other at the innermost circumferential region when viewed in the laminated direction. At least both end parts of the innermost circumferential overlapping portion of the first planar spiral wiring are in an interconnection with at least both end parts of the innermost circumferential overlapping portion of the second planar spiral wiring through the connection vias.Type: GrantFiled: January 9, 2017Date of Patent: June 18, 2019Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Yoshimasa Yoshioka, Kenji Nishiyama
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Publication number: 20190115150Abstract: 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: October 9, 2018Publication date: April 18, 2019Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Keisuke Kunimori, Akinori Hamada
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Publication number: 20190074125Abstract: 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: July 19, 2018Publication date: March 7, 2019Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Ryuichiro TOMINAGA, Akinori HAMADA
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Patent number: 10140759Abstract: Provided is a method for generating light emission data for a three-dimensional display provided with a plurality of multicolor light emitting elements arranged in three-dimensional directions, the method comprising: a modeling step for acquiring a 3D polygon model; a voxelization step for representing the 3D polygon model by a plurality of voxels and calculating position information of each of the voxels; a surface color calculation step for calculating, for the 3D polygon model, color information of a front-side surface with respect to a specific point of view and color information of a back-side surface with respect to the specific point of view; an interior color calculation step for referring to the position information and calculating, on the basis of the color information of the front-side surface and the color information of the back-side surface, color information of voxels located between the front-side surface and the back-side surface; and a mapping step for referring to the position information aType: GrantFiled: May 11, 2015Date of Patent: November 27, 2018Assignee: TEAMLAB INC.Inventors: Akinori Hamada, Haozhe Li, Toshiyuki Inoko
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Publication number: 20180315541Abstract: An electronic component comprising an element body including opposite first and second end surfaces, and an upper surface connecting the first and second end surfaces; a circuit element embedded in the element body; a first lead-out electrode embedded on the first end surface side and electrically connected to the circuit element; a columnar electrode arranged separately from the first lead-out electrode in a first direction viewed in a direction orthogonal to the first end surface, and embedded in the element body with a portion exposed from the first end surface to the upper surface; and a first via conductor connecting the first lead-out and columnar electrodes. An exposure width of the first via conductor, on the first end surface along a second direction orthogonal to the first direction viewed in the direction orthogonal to the first end surface, is smaller than the exposure width of the columnar electrode.Type: ApplicationFiled: April 11, 2018Publication date: November 1, 2018Applicant: Murata Manufacturing Co., Ltd.Inventors: Ryo OKURA, Hayami KUDO, Akinori HAMADA
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Patent number: 10115521Abstract: An electronic component includes a multilayer body formed by laminating an insulator substrate and a plurality of insulator layers, a coil including coil conductors provided on the insulator substrate, and an internal magnetic path penetrating the insulator substrate. A manufacturing method for the electronic component includes: forming the coil conductors and a sacrificial conductor at the same time on a mother insulator substrate, which is the assemblage of a plurality of the insulator substrates; laminating insulator sheets, which are to be the corresponding insulator layers mentioned above, on the mother insulator substrate so as to cover the coil conductors; and exposing the sacrifice conductor by removing part of the insulator sheets.Type: GrantFiled: September 30, 2015Date of Patent: October 30, 2018Assignee: Murata Manufacturing Co., Ltd.Inventor: Akinori Hamada
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Publication number: 20180310408Abstract: 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: ApplicationFiled: February 8, 2018Publication date: October 25, 2018Applicant: Murata Manufacturing Co., Ltd.Inventors: Akinori HAMADA, Yoshimasa YOSHIOKA, Yoshinori TAGUCHI, Ryuichiro TOMINAGA
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Publication number: 20180233279Abstract: The manufacture method of a coil component includes the steps of bonding a dummy metal layer onto one face of a mounting base, stacking a base insulating resin on the dummy metal layer, stacking a first spiral wiring and a first insulating resin in this order on the base insulating resin to cover the first spiral wiring with the first insulating resin and stacking a second spiral wiring and a second insulating resin in this order on the first insulating resin to cover the second spiral wiring with the second insulating resin to thereby form a coil substrate, detaching the mounting base from the dummy metal layer in a bonding face between the one face of the mounting base and the dummy metal layer, removing the dummy metal layer from the coil substrate, and covering the coil substrate with a magnetic resin.Type: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Applicant: Murata Manufacturing Co., Ltd.Inventors: Akinori HAMADA, Kenji NISHIYAMA, Shinji YASUDA
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Patent number: 9997288Abstract: An electronic component includes a body and a coil. The body includes first to fourth insulator layers composed of an anisotropic magnetic material, an internal magnetic circuit composed of an isotropic magnetic material and an external magnetic circuit composed of an isotropic magnetic material. The second and third insulator layers cover an upper surface and a lower surface of the coil from a z-axis direction. The internal magnetic circuit and the external magnetic circuit are adjacent to each other in a direction orthogonal to the z-axis direction. In addition, a direction of easy magnetization of the anisotropic magnetic material used in the first to fourth insulator layers is orthogonal to the z-axis direction.Type: GrantFiled: October 1, 2015Date of Patent: June 12, 2018Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Koichi Yamaguchi, Masaki Kitajima, Akinori Hamada
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Patent number: 9984805Abstract: An inductor component has a plurality of layers of spiral wirings a magnetic composite body directly or indirectly covering the plurality of layers of spiral wirings and made of a composite material of a resin and a metal magnetic powder with an average particle diameter of 5 ?m or less an internal electrode embedded in the magnetic composite body with an end surface exposed from an outer surface of the magnetic composite body, the internal electrode being electrically connected to the spiral wirings, and an external terminal disposed on the outer surface of the magnetic composite body and electrically connected to the internal electrode.Type: GrantFiled: December 5, 2016Date of Patent: May 29, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Hayami Kudo, Akinori Hamada, Shinji Otani
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Patent number: 9972436Abstract: The manufacture method of a coil component includes the steps of bonding a dummy metal layer onto one face of a mounting base, stacking a base insulating resin on the dummy metal layer, stacking a first spiral wiring and a first insulating resin in this order on the base insulating resin to cover the first spiral wiring with the first insulating resin and stacking a second spiral wiring and a second insulating resin in this order on the first insulating resin to cover the second spiral wiring with the second insulating resin to thereby form a coil substrate, detaching the mounting base from the dummy metal layer in a bonding face between the one face of the mounting base and the dummy metal layer, removing the dummy metal layer from the coil substrate, and covering the coil substrate with a magnetic resin.Type: GrantFiled: June 13, 2016Date of Patent: May 15, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Kenji Nishiyama, Shinji Yasuda
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Publication number: 20180108475Abstract: A method of manufacturing a coil component includes the steps of disposing a dummy metal layer on a base; laminating a base insulating resin on the dummy metal layer; exposing the dummy metal layer by disposing an opening part in the base insulating resin; disposing a spiral wiring on the base insulating resin and disposing a sacrificial conductor on the dummy metal layer in the opening part of the base insulating resin; enlarging the sacrificial conductor by plating by energizing the dummy metal layer; covering the spiral wiring and the sacrificial conductor with an insulating resin; exposing the sacrificial conductor by disposing an opening part in the insulating resin; forming a hole part by removing the sacrificial conductor by etching from the opening part of the insulating resin; and constructing the inner magnetic path of a magnetic resin by filling the hole part with the magnetic resin.Type: ApplicationFiled: December 19, 2017Publication date: April 19, 2018Applicant: Murata Manufacturing Co., Ltd.Inventors: Akinori HAMADA, Kenji NISHIYAMA, Shinji YASUDA
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Publication number: 20180075965Abstract: 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: ApplicationFiled: August 22, 2017Publication date: March 15, 2018Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA
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Publication number: 20170345551Abstract: 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: May 4, 2017Publication date: November 30, 2017Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA, Atsuo HIRUKAWA
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Publication number: 20170207020Abstract: A coil component: including a first planar spiral wiring and a second planar spiral wiring located above the first planar spiral wiring in a laminated direction and interconnected through connection vias to the first planar spiral wiring. The second planar spiral wiring is wound in a direction different from a winding direction of the first planar spiral wiring when viewed in the laminated direction. The first planar spiral wiring and the second planar spiral wiring have respective innermost circumferential overlapping portions overlapping with each other at the innermost circumferential region when viewed in the laminated direction. At least both end parts of the innermost circumferential overlapping portion of the first planar spiral wiring are in an interconnection with at least both end parts of the innermost circumferential overlapping portion of the second planar spiral wiring through the connection vias.Type: ApplicationFiled: January 9, 2017Publication date: July 20, 2017Applicant: Murata Manufacturing Co., Ltd.Inventors: Akinori HAMADA, Yoshimasa YOSHIOKA, Kenji NISHIYAMA
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Patent number: 9691539Abstract: A coil conductor has a central axis extending in parallel with a mounting surface. The coil conductor disposed inside a component body extends substantially helically by alternately connecting a plurality of circulating conductive layers and a plurality of via hole conductors. The circulating conductive layers each extend so as to form a part of a substantially quadrangular track having a relatively short side and a relatively long side along an interface between the insulating layers. The via hole conductors each penetrate the insulating layer in a thickness direction. The line width of a short side portion of the circulating conductive layer is wider than that of a long side portion of the circulating conductive layer.Type: GrantFiled: June 7, 2016Date of Patent: June 27, 2017Assignee: Murata Manufacturing Co., Ltd.Inventors: Tomohiro Kido, Akinori Hamada
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Publication number: 20170169930Abstract: An inductor component has a plurality of layers of spiral wirings a magnetic composite body directly or indirectly covering the plurality of layers of spiral wirings and made of a composite material of a resin and a metal magnetic powder with an average particle diameter of 5 ?m or less an internal electrode embedded in the magnetic composite body with an end surface exposed from an outer surface of the magnetic composite body, the internal electrode being electrically connected to the spiral wirings, and an external terminal disposed on the outer surface of the magnetic composite body and electrically connected to the internal electrode.Type: ApplicationFiled: December 5, 2016Publication date: June 15, 2017Applicant: Murata Manufacturing Co., Ltd.Inventors: Hayami KUDO, Akinori HAMADA, Shinji OTANI