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Patent Agency Ranking
公开(公告)号：US20190172628A1
公开(公告)日：2019-06-06
申请号：US16175575
申请日：2018-10-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuichi OHBA
Abstract: A balun includes a core having a plurality of through holes and a plurality of conductors wound around a portion between two through holes in the core and constituting first and second coils. The conductors include parallel lines in which a first conductor, a second conductor, and a third conductor are arranged in substantially parallel in this order and are integrated so as to include planar sections. The first and second coils include a continuous portion of first, second, and third winding portions. The first winding portion is formed of the wound second conductor. The second winding portion is formed of the parallel lines wound such that the planar sections cover the first winding portion. The third winding portion is formed of the second conductor wound on the second winding portion. The first coil includes a center tap connected to end portions of the first and third conductors.
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公开(公告)号：US20240194385A1
公开(公告)日：2024-06-13
申请号：US18480932
申请日：2023-10-04
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshiko BANNO , Takashi TOMOHIRO , Yuichi OHBA
CPC classification number: H01F17/0013 , H01F27/32 , H01F2027/2809
Abstract: A multilayer coil array includes an element body including a magnetic layer; a first coil inside the element body and including first coil conductor layers in a stacking direction; a second coil inside the element body at a position further from a bottom surface of the element body than the first coil in the stacking direction and including second coil conductor layers in the stacking direction; first and second outer electrodes on the bottom surface of the element body and electrically connected to the first coil; third and fourth outer electrodes on the bottom surface of the element body and electrically connected to the second coil; a first lead-out conductor inside the element body and connecting, out of end portions of the first coil, an end portion of the first coil conductor layer closest to the second coil to the first outer electrode.
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公开(公告)号：US20250029771A1
公开(公告)日：2025-01-23
申请号：US18774219
申请日：2024-07-16
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuichi OHBA
Abstract: A multilayer inductor includes an element body including magnetic layers laminated in a lamination direction, a first, second, third and fourth external electrodes on a bottom surface of the element body, a first coil including a first winding portion formed by connecting, through vias, end portions of first conductors in different layers of the element body, a first through-conductor that connects one end of the first winding portion that is relatively close to the bottom surface and the first external electrode to each other, and a second through-conductor that connects the other end of the first winding portion that is relatively away from the bottom surface and the second external electrode to each other, and a second coil including a second winding portion.
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公开(公告)号：US20240194395A1
公开(公告)日：2024-06-13
申请号：US18479292
申请日：2023-10-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshiko BANNO , Takashi TOMOHIRO , Yuichi OHBA
CPC classification number: H01F27/292 , H01F17/0013
Abstract: A multilayer coil array includes an element body including a magnetic layer; a first coil inside the element body and including first coil conductor layers in a stacking direction; a second coil inside the element body at a position further from a bottom surface of the element body than the first coil in the stacking direction and including second coil conductor layers in the stacking direction; first and second outer electrodes on the bottom surface of the element body and electrically connected to the first coil; third and fourth outer electrodes on the bottom surface of the element body and electrically connected to the second coil; and a first lead-out conductor inside the element body and connecting, out of end portions of the first coil, an end portion of the first coil conductor layer closest to the second coil to the first outer electrode.
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公开(公告)号：US20240105380A1
公开(公告)日：2024-03-28
申请号：US18365855
申请日：2023-08-04
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Kozo SATO , Yuichi OHBA
IPC: H01F27/29 , H01F27/255
CPC classification number: H01F27/292 , H01F27/255
Abstract: A coil component having improved magnetic characteristics. The coil component includes a body having a substantially hexahedral shape and including a winding portion formed by winding a conductive wire based on a winding axis and a magnetic body portion; and paired metal terminals having joint portions to which first and second ends of the conductive wire are electrically connected. Each of the paired metal terminals extends outside an outer surface of the body parallel to the winding axis. Of four quadrants separated from one another by imaginary coordinate axes that are orthogonal to one another with the center of the body as the origin in plan view in the winding axis direction, more than half the area of one of the joint portions is disposed in a quadrant not adjacent to the quadrant in which more than half the area of the other joint portion is disposed.
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