Patents Examined by Kazi S Hossain
  • Coil apparatus
    Patent number: 11264834
    Abstract: A coil apparatus includes a base having a front surface and a rear surface, a magnetic portion provided on a side of the front surface of the base, and a coil portion which is provided on an opposite side from the base with respect to the magnetic portion and includes a conductive wire. The magnetic portion includes a first passing region, the base includes a second passing region, and the conductive wire is drawn out from the rear surface of the base through the first passing region and the second passing region.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: March 1, 2022
    Assignee: IHI CORPORATION
    Inventors: Kentaro Furiya, Kenji Nishimura
  • Inductively balanced power supply circuit and method of manufacture
    Patent number: 11259413
    Abstract: A power supply circuit includes a printed circuit board (PCB), and a transformer coupled to the PCB. The power supply circuit also includes a first inductor assembly coupled to the PCB and electrically connected to the transformer, and a second inductor assembly coupled to the PCB and electrically connected to the transformer. The first inductor assembly has an inner edge and an opposite outer edge, and the second inductor assembly has an inner edge and an opposite outer edge. The inner edge of the second inductor assembly is spaced apart from the inner edge of the first inductor assembly by a gap. The power supply circuit also includes a first magnetic shunt coupled to the outer edge of the first inductor assembly, and a second magnetic shunt coupled to the outer edge of the second inductor assembly.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: February 22, 2022
    Assignee: ABB Power Electronics Inc.
    Inventors: Arturo Silva, Loc Ngo
  • Semiconductor element
    Patent number: 11250985
    Abstract: A semiconductor element includes a first spiral coil, a second spiral coil, a connecting section, a first guide segment, and a second guide segment. The first spiral coil is formed with a first end and a second end, and includes a first inner turn and a first outer turn. The first inner turn is located in a range surrounded by the outer turn, and the first end and the second end are located at the first inner turn. The second spiral coil and the first spiral coil are located in substantially a same metal layer. The connecting section connects the first spiral coil and the second spiral coil. The first guide segment is connected to the first end. The second guide segment is connected to the second end. The first guide segment and the second guide segment are fabricated in a metal layer different from a metal layer of the first spiral coil.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 15, 2022
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Hsiao-Tsung Yen, Cheng-Wei Luo, Yuh-Sheng Jean, Ta-Hsun Yeh
  • Multilayer coil component
    Patent number: 11239020
    Abstract: A multilayer coil component includes an element body, a coil disposed in the element body, and an external electrode disposed in the element body and electrically connected to the coil. The element body includes a principal surface that is a mounting surface, and an end surface positioned adjacent to the principal surface and extending in a direction crossing to the principal surface. The external electrode includes an underlying metal layer and a conductive resin layer. The underlying metal layer is formed on the principal surface and the end surface. The conductive resin layer is formed to cover the underlying metal layer. A thickness of the conductive resin layer at an end positioned above the principal surface of the underlying metal layer is equal to or greater than 50% of a maximum thickness of a portion positioned above the principal surface of the conductive resin layer.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: February 1, 2022
    Assignee: TDK CORPORATION
    Inventors: Masashi Shimoyasu, Shinichi Sato, Seiichi Nakagawa, Mamoru Kawauchi, Shigetoshi Kinouchi, Mitsuru Ito
  • Common mode choke coil and electronic apparatus
    Patent number: 11239017
    Abstract: A common mode choke coil includes a differential transmission line including first and second signal lines, a main circuit including a first coil provided in the first signal line, and a second coil provided in the second signal line and connected to the first coil by magnetic field coupling, and a parallel resonance circuit including a third coil connected to both the first and second coils by magnetic field coupling, and a first capacitor electrically connected in parallel to the third coil. In the common mode choke coil, a first resonant frequency of the main circuit is equal or substantially equal to a second resonant frequency of the parallel resonance circuit.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: February 1, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Noriyuki Ueki, Noboru Kato
  • Inductor designs for reducing magnetic interference
    Patent number: 11232896
    Abstract: Inductor designs and methods are provided. An inductor can include a first core and a second core. The first core can be larger than the second core and the second core can be seated within the inner diameter of the first core. A first and a second wire can be provided that each wrap around the first core and the second core. The first core can have less windings than the second core.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: January 25, 2022
    Assignee: University of Florida Research Foundation, Incorporated
    Inventors: Shuo Wang, Boyi Zhang, Yanwen Lai
  • Coil component and method of manufacturing the same
    Patent number: 11227714
    Abstract: A coil component includes: a body including a magnetic material and a coil of which both ends are externally exposed; intermetallic compounds disposed on the exposed both ends of the coil; and external electrodes disposed on the body to cover the intermetallic compounds. The external electrodes include: conductive resin layers disposed on outer surfaces of the body to contact the exposed both ends of the coil and including base resins, a plurality of metal particles disposed in the base resins, and conductive connecting parts surrounding the plurality of metal particles and contacting the intermetallic compounds. The coil component further includes electrode layers disposed on the conductive resin layers and contacting the conductive connecting parts.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon Hee Lee, Bon Seok Koo, Yeon Tae Kim, Chang Hak Choi, Jung Min Kim
  • Coil component
    Patent number: 11217372
    Abstract: A coil component includes a body including an internal coil and including an upper surface and a lower surface opposing each other in a thickness direction thereof; a first external electrode connected to one end of the internal coil; and a second external electrode connected to the other end of the internal coil. The first external electrode and the second external electrode may be formed on the same one side portion of the lower surface of the body.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Ki Jung, Hee Soo Yoon, Sang Jong Lee, Seung Hee Hong
  • Inductor array
    Patent number: 11183324
    Abstract: An inductor array includes a body including at least three coils and external electrodes arranged on external surfaces of the body. The at least three coils are arranged to be spaced apart from each other by a predetermined distance in one direction of the body, and here, the at least three coils have the same characteristic value. A minimum distance between mutually adjacent coils among the at least three coils is changed according to the number of turns of a coil pattern included in an area formed between the centers of cores of mutually adjacent coils.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chan Yoon, Won Chul Sim, Dong Hwan Lee, Young Ghyu Ahn
  • Egg-shaped continuous coils for inductive components
    Patent number: 11177066
    Abstract: A continuous coil for an inductive component includes a plurality of turns formed by at least one conductor. The continuous coil is substantially egg-shaped. Other example coils, transformers, etc. are also disclosed.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: November 16, 2021
    Assignee: Astec International Limited
    Inventors: Angelito Hatol, John Faustino Boqueo Begino, III
  • Inductor component
    Patent number: 11170929
    Abstract: An inductor component comprises a core including a substantially column-shaped shaft and a support formed on an end portion of the shaft, and a terminal electrode formed on the support. The terminal electrode includes a side electrode section on a side face of the support and an end electrode section on an end face of the support. An end portion of the end electrode section adjacent to the side face is higher than an end portion of the side electrode section adjacent to the end face.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: November 9, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Akira Tanaka, Sunao Noya
  • Reactor
    Patent number: 11158452
    Abstract: Provided is a reactor including: an assembly that has a coil that has a pair of winding portions that are arranged side by side, and a magnetic core; a base member that has a mount plate on which the assembly is mounted; and a sensor assembly that has a sensor main body that detects a physical value related to the reactor, and a wiring portion extending from the sensor main body. The reactor includes a wire catch member provided on the assembly or the base member, the wire catch member allowing a part of the wiring portion to be arranged thereon, and a cable tie for fixing the wiring portion to the wire catch member.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: October 26, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Kazuhiro Inaba
  • Electrical transformer with windings
    Patent number: 11145454
    Abstract: The invention relates to an electrical transformer (T, T?) comprising: a primary central winding (11a) extending around an axis (X) and configured to generate a central magnetic flux when a current is passed through it circulating in a first direction around the axis (X), two peripheral primary windings (12a, 13a) extending around the axis (X), between which the central primary winding (11a) is located, and configured to generate peripheral magnetic fluxes when currents are passed through same respectively circulating in a second direction around the axis (X) which is opposite to the first direction, the peripheral magnetic fluxes superimposing on the central magnetic flux, wherein the windings are further configured in such a way that the peripheral magnetic fluxes compensate the central magnetic flux in the regions located beyond the peripheral windings.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: October 12, 2021
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Sébastien Fontaine, Daniel Sadarnac, Charif Karimi
  • High Q factor inductor structure
    Patent number: 11139238
    Abstract: A three-dimensional (3-D) inductor is incorporated in a substrate. The 3-D inductor has a first connector plate, a second connector plate, a third connector plate, a first terminal plate, and a second terminal plate. Four multi-via walls connect the various plates, wherein each multi-via wall includes a first group of at least three individual via columns, each of which connects two plates together.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 5, 2021
    Assignee: Qorvo US, Inc.
    Inventors: Dirk Robert Walter Leipold, George Maxim, Baker Scott, Toshiaki Moriuchi
  • Transformer and transformer bobbin thereof
    Patent number: 11139106
    Abstract: The invention provides a transformer and a transformer bobbin thereof. The transformer bobbin includes a winding part, a first wire outlet part and a second wire outlet part; the second wire outlet part is provided with an inclined guiding surface facing the winding part, a first partition plate arranged on the inclined guiding surface and a wire avoiding groove arranged on one side of the inclined guiding surface; the inclined guiding surface is divided into a first wire outlet area and a second wire outlet area, the wire avoiding groove is only arranged in the first wire outlet area, and the first partition plate is formed with a wire supporting notch. Therefore, it is not necessary to add an insulation sleeve to windings at the same wire outlet part to achieve winding isolation, whereby windings on the transformer is automatically wound by a machine.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 5, 2021
    Assignee: INNOTRANS TECHNOLOGY CO., LTD.
    Inventor: Tsung-Han Chou
  • Coil electronic component
    Patent number: 11139108
    Abstract: A coil electronic component includes a body including a support member, an internal coil supported by the support member, and an encapsulant encapsulating the support member and the internal coil, and external electrodes disposed on an external surface of the body and connected to the internal coil, wherein the internal coil includes a plurality of coil patterns, each of the plurality of coil patterns includes a lower coil pattern in contact with the support member and an upper coil pattern on the lower coil pattern, a line width and a thickness of the lower coil pattern are uniform in along the internal coil, and a line width and a thickness of the upper coil pattern are increased in a direction from the center of the internal coil to the outermost portion of the internal coil.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: October 5, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Wook Bong, Byeong Cheol Moon, Boum Seock Kim
  • Electronic component
    Patent number: 11139112
    Abstract: An electronic component includes an element provided with a first recess, and a mounting conductor including a first conductor portion disposed in the first recess. The first conductor portion has a first face opposed to a bottom face of the first recess, a second face opposed to the first face, and a third face connecting the first face and the second face. The third face has a region overlapping with the second face as viewed from an opposing direction of the bottom face of the first recess and the first face.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: October 5, 2021
    Assignee: TDK CORPORATION
    Inventors: Yuya Ishima, Yasushi Matsuyama, Yuto Shiga, Shunji Aoki, Shinichi Kondo
  • Power inductor
    Patent number: 11139094
    Abstract: Provided is a power inductor. The power inductor includes a body, at least one base material disposed within the body, at least one coil pattern disposed on at least one surface of the base material, an insulation layer disposed between the coil pattern and the body, and an external electrode disposed outside the body and connected to the coil pattern. The body includes a magnetic pulverized material and an insulation material.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: October 5, 2021
    Inventors: In Kil Park, Gyeong Tae Kim, Jun Ho Jung, Seung Hun Cho, Ki Joung Nam
  • Power module
    Patent number: 11133750
    Abstract: The present disclosure provides a power module including a transformer, a first switching unit and a second switching unit; the transformer includes a magnetic core and a flatwise-wound winding wound around a winding pillar of the magnetic core; the flatwise-wound winding includes a first winding, a first end of the first winding and the first switching unit are electrically connected and are located on the first side face of the winding pillar, projections of the first switching unit, the first end of the first winding, and the winding pillar on the first side face overlap each other; a second end of the first winding and the second switching unit are electrically connected and are located on the second side face of the winding pillar, projections of the second switching unit, the second end of the first winding, and the winding pillar on the second side face overlap each other.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: September 28, 2021
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Jinping Zhou, Min Zhou, Zhiheng Fu, Pengkai Ji, Shouyu Hong, Yiqing Ye
  • Transformer arrangement and method for controlling pressure in a liquid-filled transformer
    Patent number: 11114234
    Abstract: A transformer including a transformer tank, an expansion tank, and piping connecting the tanks enabling liquid to flow there between. The piping includes a valve configured for liquid to flow from the transformer to the expansion tank when the pressure is above a predefined first threshold and for preventing the liquid to flow from the transformer to the expansion tank when the pressure is below the first threshold. The valve is also configured for liquid to flow from the expansion to the transformer tank when the pressure is below a predefined second threshold and for preventing the liquid to flow from the expansion to the transformer tank when the pressure is above the predefined second threshold.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: September 7, 2021
    Assignee: ABB Power Grids Switzerland AG
    Inventor: Julian Cardona