Patents Examined by Elvin G. Enad
  • Patent number: 11605485
    Abstract: Disclosed herein is a common mode filter that includes: a winding core part including first and second winding areas and a third winding area positioned between the first and second winding areas; and first and second wires wound in a same direction around the winding core part. The first and second wires constitute a first winding block wound in the first winding area and a second winding block wound in the second winding area. The first and second wires cross each other in the third winding area. Each of the first and second winding blocks has first and second winding layers. The difference in a number of turns between the first winding layer and the second winding layer is larger in the first winding block than in the second winding block.
    Type: Grant
    Filed: December 30, 2018
    Date of Patent: March 14, 2023
    Assignee: TDK CORPORATION
    Inventors: Yugo Asai, Tsutomu Kobayashi, Daisuke Urabe, Hiroshi Suzuki, Emi Ito, Toshio Tomonari
  • Patent number: 11605487
    Abstract: A laminate includes multiple paper layers, with at least one induction coil comprising first and second sets of windings. Two or more paper layers include the sets of windings comprising an electrically-conductive material. The sets of windings may be distributed throughout the laminate layers and provide good wireless induction charging performance in a compact space.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: March 14, 2023
    Assignee: THE DILLER CORPORATION
    Inventors: Robert Jacob Kramer, Kevin Francis O'Brien
  • Patent number: 11605498
    Abstract: A multilayer coil component includes an element body, a coil, and a pair of terminal electrodes. Each of the pair of terminal electrodes is formed by a plurality of electrode layers having different shapes being stacked in a stacking direction and is exposed on end surfaces, a main surface, and a pair of side surfaces. One electrode part of the terminal electrodes exposed on the side surfaces of the element body and formed by one of the electrode layers has an overlapping part overlapping at least a part of the other electrode part formed by another of the electrode layers adjacent to the one electrode layer in the stacking direction and a non-overlapping part not overlapping the other electrode part when viewed from the stacking direction.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: March 14, 2023
    Assignee: TDK CORPORATION
    Inventors: Youichi Kazuta, Kazuya Tobita, Yuto Shiga, Noriaki Hamachi
  • Patent number: 11600421
    Abstract: A laminate includes multiple paper layers, with at least one induction coil comprising first and second sets of windings. Two or more paper layers include the sets of windings comprising an electrically-conductive material. The sets of windings may be distributed throughout the laminate layers and provide good wireless induction charging performance in a compact space.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: March 7, 2023
    Assignee: THE DILLER CORPORATION
    Inventors: Robert Jacob Kramer, Kevin Francis O'Brien
  • Patent number: 11600437
    Abstract: A coil component includes a molded portion having one surface and another surface opposing each other, and a wound coil disposed on the one surface of the molded portion and including an innermost turn, at least one intermediate turn, and an outermost turn disposed outwardly of a central portion of the one surface of the molded portion. A cover portion is disposed to face the one surface of the molded portion and to cover the wound coil, and first and second external electrodes are connected to the wound coil and arranged to be spaced apart from each other on the other surface of the molded portion. A thickness of one region of the cover portion disposed on the innermost turn is thicker than a thickness of another region of the cover portion disposed on the outermost turn.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Soo Kang, Byeong Cheol Moon, Tae Jun Choi, Ju Hwan Yang
  • Patent number: 11594365
    Abstract: A coil component includes a wire; a core having a winding core around which the wire is wound and a flange portion provided at an end portion of the winding core in an axial direction; and a terminal electrode to which the wire is connected and that is provided on the flange portion. The terminal electrode has a projecting portion that sticks out in the axial direction relative to the flange portion. The projecting portion has a flat surface along which the wire is thermocompression-bonded. Thermocompression bonding of the wire is performed in a state where an interval between a head surface of a heater chip and the flat surface becomes narrower from a flange portion side toward a front end side of the projecting portion. A degree of crushing of the wire decreases from the front end side toward the flange portion side of the projecting portion.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: February 28, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yuuji Igarashi, Akio Igarashi
  • Patent number: 11594358
    Abstract: A differential mode choke coil component includes a substantially drum-shaped core, a substantially plate-shaped core, and first and second wires. The plate-shaped core is secured to each of the first and second flanges by using an adhesive with the first major surface facing the top surface of each of the first and second flanges with a spacing. The spacing has a mean value greater than or equal to about 20 ?m between the first major surface and the top surface of each of the first and second flanges.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: February 28, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Masashi Miyamoto
  • Patent number: 11587716
    Abstract: A inductive component is provided, which comprises a magnetic core, an insulation body formed of an electrically insulating material and having the magnetic core accommodated therein, and a coil body having at least one winding wound thereon. The insulation body comprises at least two mechanically connected insulation wall sections, which each face, at least partially, a respective side surface section of the magnetic core. The coil body comprises at least one contact element attached to a side surface section of the coil body and used for establishing an electric connection to the at least one winding, and a magnetic core accommodation in which the magnetic core accommodated in the insulation body is partially accommodated. A side surface section of the magnetic core, which faces the contact element, is covered, at least partially, by an insulation wall section of the insulation body.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: February 21, 2023
    Assignee: SUMIDA COMPONENTS & MODULES GMBH
    Inventors: Christoph Spath, Johannes Hofbauer, Rainer Pilsl
  • Patent number: 11587717
    Abstract: An inductor element includes a first conductive portion, a second conductive portion, and a magnetic core. The first conductive portion includes a first round-about portion, a first mount portion, and a second mount portion. The second conductive portion includes a second round-about portion, a third mount portion, and a fourth mount portion. The magnetic core houses at least a part of the first and second conductive portions so that each mount surface of the first to fourth mount portions is exposed from one side of the magnetic core. The first and second conductive portions are arranged so that the first and second directions are substantially parallel and opposite to each other. The first and third mount portions are at least partially overlapped with each other in a third direction perpendicular to the first and second directions.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: February 21, 2023
    Assignee: TDK CORPORATION
    Inventors: Chen Wang, Satoshi Sugimoto
  • Patent number: 11574768
    Abstract: A coil component includes a body having one surface and the other surface facing each other; an insulating substrate embedded in the body, and having one surface substantially perpendicular to the one surface of the body; a coil portion disposed on the one surface of the insulating substrate, and including a coil pattern layer having a coil pattern and a lead-out pattern extending from the coil pattern and exposed from the one surface of the body; an insulating layer disposed on the one surface of the insulating substrate to cover the coil pattern layer; and first and second external electrodes arranged to be spaced apart from each other on the one surface of the body and respectively connected to the lead-out pattern. A thickness of the lead-out pattern is greater than a thickness of the coil pattern, and less than a thickness of the insulating layer.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: February 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Seob Lee, Jong Min Lee
  • Patent number: 11574761
    Abstract: A coil electronic component includes a body having first to fourth surfaces, an insulating substrate disposed in the body, coil portions disposed on opposing surfaces of the insulating substrate, respectively, a first lead-out portion connected to one of the coil portions and exposed from the first and third surfaces, a second lead-out portion connected to another of the coil portions and exposed from the second and third surfaces, and first and second external electrodes covering the first and second lead-out portions, respectively. The insulating substrate includes a support portion supporting the coil portions, a first end portion extending from the support portion and including end surfaces respectively exposed from the first and third surfaces and spaced apart from each other, and a second end portion extending from the support portion and including end surfaces exposed from the second and third surfaces and spaced apart from each other.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: February 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hun Kim, Byeong Cheol Moon
  • Patent number: 11574772
    Abstract: A transformer comprises at least two windings and each of the at least two windings includes at least one lead-out wire, and a silicone rubber heat-shrinkable sleeve is wrapped around the outer surface of the lead-out wire. The at least two windings and a portion of the silicone rubber heat-shrinkable sleeve are encapsulated in a potting box with a first potting sealant, and another portion of the silicone rubber heat-shrinkable sleeve is exposed outside of the potting box.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: February 7, 2023
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Yong Zeng, Jianxing Dong, Qiang Wang, Weijun Wang, Teng Liu
  • Patent number: 11574767
    Abstract: A coil component includes a body having one surface and another surface opposing each other in one direction, a plurality of walls each connecting the one surface to the other surface, and a coil portion disposed therein. A recess extends along at least portions of edges common to the one surface and to walls of the plurality of walls. A lower insulating layer is disposed in the recess and on the one surface. First and second external electrodes penetrate through the lower insulating layer, are spaced apart from each other on the one surface of the body, and are connected to the coil portion. A shielding layer is disposed on the other surface of the body and the plurality of walls of the body, and extends to the one surface of the body to be spaced apart from the first and second external electrodes.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: February 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kwang Il Park, Hye Yeon Cha, Young Sun Kim
  • Patent number: 11574764
    Abstract: A dust core includes a compact containing a soft magnetic powder and also includes a cover coat for the compact. The cover coat contains a polyamideimide-modified epoxy resin. An electric/electronic component includes the dust core, a coil, and a connection terminal connected to each end portion of the coil. At least one portion of the dust core is placed so as to be located in an induced magnetic field generated by the current flowing in the coil through the connection terminal. An electric/electronic device includes the electric/electronic component.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: February 7, 2023
    Assignee: ALPS ELECTRIC CO., LTD.
    Inventors: Masao Matsui, Satoshi Maruyama, Takao Mizushima
  • Patent number: 11569032
    Abstract: A coil component includes a winding core that includes a winding core portion, a first flange portion, and a second flange portion. The coil component further includes a plate core that has a main surface facing the winding core portion, the first flange portion, and the second flange portion, that extends between the first flange portion and the second flange portion, and that is secured to the winding core by using adhesive. Each of the first flange portion and the second flange portion has an upper surface that faces the main surface of the plate core. Recessed portions are formed on the corresponding upper surfaces. Protrusions may be formed in corresponding regions in which the recessed portions are formed.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: January 31, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Katsuyuki Takahashi
  • Patent number: 11562854
    Abstract: A magnetic component for an electronic circuit includes first and second bobbins having respective core-receiving passageways. Each bobbin includes multiple slots with a winding insert in each slot. The winding inserts function as windings as well as guides for winding a coil of wire around the respective bobbins. The first and second bobbins are positioned on respective first and second legs of a magnetic core. The coils of wire are wound on the two bobbins in opposite directions such that the magnetic fluxes provided by the coils are in phase. The winding inserts have connection prongs that can be positioned in opposite direction such that the winding inserts of the first bobbin are connectable to a first printed circuit board and the winding inserts of the second bobbin are connectable to a second printed circuit board.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: January 24, 2023
    Assignee: BEL POWER SOLUTIONS INC.
    Inventors: Rosmarie Kaelin, Michal Sir
  • Patent number: 11557416
    Abstract: A multilayer coil component includes a multilayer body, and first and second outer electrodes. The multilayer body is formed by stacking plural insulating layers in a length direction, and includes a coil incorporated therein. The first and second outer electrodes are electrically connected to the coil. The coil is formed by electrically connecting plural coil conductors stacked in the length direction together with the insulating layers. The multilayer body has first and second end surfaces, first and second major surfaces, and first and second lateral surfaces. The first outer electrode has first, second, and third electrode portions. As viewed in plan in the width direction, the third electrode portion is substantially concave toward a vertex where first and second edges meet, the first edge being an edge where the first and third electrode portions meet, the second edge being an edge where the second and third electrode portions meet.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: January 17, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Atsuo Hirukawa
  • Patent number: 11557418
    Abstract: A coil component includes: a core part including: a winding shaft; and a planar flange part provided at an axial-direction end of the winding shaft, and having a groove part provided on an exterior face thereof where a lead part led out from a conductor wound around the winding shaft into the groove part, wherein the flange part has a first recessed part provided on a first side face intersecting with the long axis of the groove part and communicated with the groove part, wherein the area of a cross section, taken in a direction parallel with the first side face, of the first recessed part, is greater than the area of a cross section, taken in a direction parallel with the first side face.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: January 17, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hideharu Suzuki, Kazuhiro Takahashi
  • Patent number: 11551855
    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.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: January 10, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Takashi Sukegawa, Masashi Miyamoto, Ryota Hashimoto, Kentaro Yamaguchi, Chihiro Yamaguchi
  • Patent number: 11538624
    Abstract: There are provided a wire wound inductor and a manufacturing method thereof according to an exemplary embodiment in the present disclosure. The wire wound inductor according to an exemplary embodiment in the present disclosure includes a winding coil, a magnetic core embedding the winding coil, and an adhesive portion disposed between the magnetic core and the winding coil and enclosing the winding coil.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ju Hwan Yang, Young Seuck Yoo, Hwi Dae Kim