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公开(公告)号：US12125624B2
公开(公告)日：2024-10-22
申请号：US17370921
申请日：2021-07-08
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Ken Hayashii , Ryota Hashimoto , Kaori Takezawa
CPC classification number: H01F17/045 , H01F27/2828 , H01F27/292 , H01F27/306
Abstract: A coil component that includes a core, a first wire, and a second wire. The core has a prism-shaped winding core part. The first wire and the second wire are wound around the winding core part. The coil component has an overlapping winding region in which the first wire is wound around the winding core part and the second wire is wound around the winding core part on top of the first wire. The overlapping winding region includes a prescribed part in which the first wire and the second wire are wound around the winding core part in such a manner that a gap is interposed between a part of the first wire that is wound along a first side surface of the winding core part and a part of the second wire that is wound along the first side surface.
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公开(公告)号：US11551855B2
公开(公告)日：2023-01-10
申请号：US16420244
申请日：2019-05-23
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takashi Sukegawa , Masashi Miyamoto , Ryota Hashimoto , Kentaro Yamaguchi , Chihiro Yamaguchi
Abstract: A coil component comprising a core including a winding core having a shape extending in a constant direction, a first flange disposed at a first end in an extending direction of the winding core, and a second flange disposed at a second end in the extending direction of the winding core; first and second electrodes disposed on the first flange; third and fourth electrodes disposed on the second flange; and a coil including a first wire wound around the winding core and electrically connected to the first and third electrodes, and a second wire electrically connected to the second and fourth electrodes. The first and second flanges each have an inner surface facing the winding core, an outer surface facing toward the side opposite to the inner surface, a lower surface connecting the inner and outer surfaces, and an upper surface facing the side opposite to the lower surface.
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公开(公告)号：US11515071B2
公开(公告)日：2022-11-29
申请号：US16525296
申请日：2019-07-29
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Ryota Hashimoto
Abstract: A drum core includes a core portion that extends in an axial direction, first and second flange portions respectively disposed at first and second ends of the core portion in the axial direction, and first and second terminal electrodes respectively disposed at the first and second flange portions. The first flange portion includes a bottom surface that is substantially parallel to the axial direction and on which the first terminal electrode is disposed, an outer end surface that is substantially perpendicular to the axial direction and that faces outward away from the core portion, and a first ridge portion and a second ridge portion respectively disposed at a first end and a second end of the outer end surface in a width direction substantially parallel to the bottom surface and the outer end surface, and the first ridge portion and the second ridge portion have different shapes.
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公开(公告)号：US10714255B2
公开(公告)日：2020-07-14
申请号：US14823385
申请日：2015-08-11
Applicant: MURATA MANUFACTURING CO., LTD.
Inventor： Ryota Hashimoto
Abstract: A common mode choke coil includes a core and a first winding, a second winding, and a third winding that are wrapped around the core. A number of turns in the third winding is less than a number of turns in the first winding and a number of turns in the second winding.
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公开(公告)号：US10699841B2
公开(公告)日：2020-06-30
申请号：US15967194
申请日：2018-04-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Ryota Hashimoto
Abstract: A wound coil comprises terminal electrodes. Each of the terminal electrodes includes a bottom portion extending over a bottom surface of a flange from a ridge at which the bottom surface and an outer end surface of the flange cross each other, and an outer portion extending over the outer end surface from the ridge. The flange includes a recess between adjacent ones of the terminal electrodes. An outer end portion of the recess that is closer to the outer end surface is located in the outer end surface. An inner end portion of the recess that is closer to the inner end surface is located in the bottom surface, or located at a portion in the inner end surface closer to the bottom surface, than the outer end portion of the recess.
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Patent Agency Ranking
公开(公告)号：US11830657B2
公开(公告)日：2023-11-28
申请号：US17318722
申请日：2021-05-12
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Ryota Hashimoto , Atsuyoshi Maeda , Chihiro Yamaguchi , Hiroyuki Tei , Kohei Kobayashi
CPC classification number: H01F27/2823 , H01F27/29
Abstract: First and second wires form a wire assembly by being wound around a winding core portion together. The wire assembly includes a twisted wire portion, an inner layer portion, an outer layer portion, a plurality of outward transition portions, and an inward transition portion. The outer layer portion includes a first outer layer portion which is connected to one of the outward transition portions extending from an intermediate position of the inner layer portion and connected to the inward transition portion. The inward transition portion extends to an intermediate position of the inner layer portion.
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公开(公告)号：US11823830B2
公开(公告)日：2023-11-21
申请号：US18061220
申请日：2022-12-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takashi Sukegawa , Masashi Miyamoto , Ryota Hashimoto , Kentaro Yamaguchi , Chihiro Yamaguchi
CPC classification number: H01F27/292 , H01F17/045 , H01F27/06 , H01F27/2823 , H01F41/06 , H05K1/181 , H01F2017/0093 , H01F2017/048 , H01F2027/065
Abstract: A coil component comprising a core including a winding core having a shape extending in a constant direction, a first flange disposed at a first end in an extending direction of the winding core, and a second flange disposed at a second end in the extending direction of the winding core; first and second electrodes disposed on the first flange; third and fourth electrodes disposed on the second flange; and a coil including a first wire wound around the winding core and electrically connected to the first and third electrodes, and a second wire electrically connected to the second and fourth electrodes. The first and second flanges each have an inner surface facing the winding core, an outer surface facing toward the side opposite to the inner surface, a lower surface connecting the inner and outer surfaces, and an upper surface facing the side opposite to the lower surface.
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公开(公告)号：US11651888B2
公开(公告)日：2023-05-16
申请号：US16264404
申请日：2019-01-31
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akio Igarashi , Kazuhiko Takenaka , Shigeto Yamamoto , Ryota Hashimoto , Yuki Kanbe
CPC classification number: H01F27/29 , H01F17/04 , H01F17/045 , H01F27/2823 , H01F27/292 , H01F41/02 , H01F3/10 , H01F2017/0093
Abstract: A flange portion includes a projecting surface that is positioned in a leading end of a projection projecting toward a mounting substrate and that faces the mounting substrate, and a principal surface that extends in a direction crossing the projecting surface and that faces a direction in which the pair of flange portions are aligned. A metal terminal includes a mounting portion opposed to the projecting surface and an end surface portion opposed to the principal surface. An angle θ between the mounting portion and the end surface portion satisfies the relationship 85 degrees≤θ
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公开(公告)号：US11456105B2
公开(公告)日：2022-09-27
申请号：US16428613
申请日：2019-05-31
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takashi Sukegawa , Masashi Miyamoto , Ryota Hashimoto , Chihiro Yamaguchi , Kentaro Yamaguchi
Abstract: A coil component comprising a core having a winding core part, and a coil wound around the winding core part and including a plurality of wires. The coil includes a twisted wire portion in which the plurality of wires is twisted together. The twisted wire portion includes a bank region including a first layer wound multiple turns continuously around the winding core part and a second layer wound on the first layer continuously from the first layer. The bank region is sparsely wound with the number of turns of the second layer reduced by two or more as compared to the number of turns of the first layer.
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公开(公告)号：US11037720B2
公开(公告)日：2021-06-15
申请号：US16719016
申请日：2019-12-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Ryota Hashimoto , Atsuyoshi Maeda , Chihiro Yamaguchi , Hiroyuki Tei , Kohei Kobayashi
Abstract: First and second wires form a wire assembly by being wound around a winding core portion together. The wire assembly includes a twisted wire portion, an inner layer portion, an outer layer portion, a plurality of outward transition portions, and an inward transition portion. The outer layer portion includes a first outer layer portion which is connected to one of the outward transition portions extending from an intermediate position of the inner layer portion and connected to the inward transition portion. The inward transition portion extends to an intermediate position of the inner layer portion.
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