Patents by Inventor Keigo HIGASHIDA

Keigo HIGASHIDA 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).

  • Publication number: 20220148796
    Abstract: Disclosed herein is a composite electronic component that includes: a first coil pattern formed on at least a first conductor layer, the first coil pattern having one end coupled to the first terminal electrode and other end coupled to the second terminal electrode; a second coil pattern formed on at least a second conductor layer; a third coil pattern formed on at least the first and second conductor layers, the third coil pattern having one end coupled to the one end of the second coil pattern and other end coupled to the third terminal electrode; and a fourth coil pattern formed on at least the first and second conductor layers, the fourth coil pattern having one end coupled to the other end of the second coil pattern and other end coupled to the fourth terminal electrode.
    Type: Application
    Filed: October 21, 2021
    Publication date: May 12, 2022
    Applicant: TDK CORPORATION
    Inventors: Tomonaga NISHIKAWA, Keigo Higashida, Masaki Yoneyama, Michitaka Okazaki, Masumi Kameda
  • Publication number: 20220059280
    Abstract: Disclosed herein is a coil component that is surface-mountable on a substrate. The coil component includes a magnetic core, a wire wound around the magnetic core such that the coil axis direction is substantially parallel to the substrate, a terminal electrode connected to an end of the wire, and a low permeability part provided between the magnetic core and the terminal electrode. The low permeability part has a permeability lower than that of the magnetic core.
    Type: Application
    Filed: August 11, 2021
    Publication date: February 24, 2022
    Applicant: TDK CORPORATION
    Inventors: Keigo Higashida, Hiroshi Suzuki, Terumasa Toyoda, Hanako Yoshino
  • Publication number: 20220059281
    Abstract: Disclosed herein is a coil component that includes a plate-like base member, a magnetic core mounted on the base member, a wire wound around the magnetic core such that an axis direction thereof is substantially parallel to the base member, and a terminal electrode fixed to the base member and connected to an end portion of the wire. The base member is made of a material having a permeability lower than that of the magnetic core.
    Type: Application
    Filed: August 11, 2021
    Publication date: February 24, 2022
    Applicant: TDK CORPORATION
    Inventors: Terumasa TOYODA, Hiroshi SUZUKI, Toru TONOGAI, Keigo HIGASHIDA, Hanako YOSHINO
  • Publication number: 20210391110
    Abstract: Disclosed herein is a common mode filter that includes first and second wires wound in the same direction around the winding core part. The first and second wires include first and second layer winding portions each including a plurality of blocks axially alternately arranged. A first block belonging to the first layer winding portion is disposed closest to the first flange part. A second block belonging to the second layer winding portion is disposed closest to the second flange part. The first and second wires cross each other in a region between axially adjacent blocks.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 16, 2021
    Inventors: Kosuke KUNITSUKA, Keigo HIGASHIDA, Emi ITO
  • Publication number: 20210391108
    Abstract: Disclosed herein is a common mode filter that includes a core having a winding core part and first and second wires wound in a same direction around the winding core part. The first and second wires have a first crossing portion at which first turns thereof counted from one ends thereof cross each other and a second crossing portion at which first turns thereof counted from the other ends thereof cross each other. The first and second wires are wound by layer winding in an aligned state with one of the first and second wires positioned in a lower layer and other one thereof positioned in an upper layer in at least parts of the first and second wires between second turns thereof counted from the one ends thereof and second turns thereof counted from the other ends thereof.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 16, 2021
    Inventors: Kosuke KUNITSUKA, Keigo HIGASHIDA, Emi ITO
  • Publication number: 20210391109
    Abstract: Disclosed herein is a common mode filter that includes first and second wires wound in the same direction around the winding core part. The first and second wires have first to third layer winding portions, a first crossing portion positioned between the first and third layer winding portions, and a second crossing portion positioned between the second and third layer winding portions. The vertical positions of the first and second wires are reversed at least partially between the first and third layer winding portions, and the vertical positions of the first and second wires are reversed at least partially between the second and third layer winding portions.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 16, 2021
    Inventors: Kosuke KUNITSUKA, Keigo HIGASHIDA, Emi ITO, Daisuke URABE, Yugo ASAI
  • Publication number: 20210280355
    Abstract: A coil device includes a core having a winding core portion and flange portions and formed in end portions of the winding core portion, a first winding portion formed by winding a first primary wire and a first secondary wire around the winding core portion, and a second winding portion formed by winding a second primary wire and a second secondary wire around the winding core portion. The second winding portion is formed with an alternating winding region where the second primary wire and the second secondary wire are alternately disposed and wound and a continuous winding region where either the second primary wire or the second secondary wire is continuously wound.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 9, 2021
    Applicant: TDK CORPORATION
    Inventors: Kosuke KUNITSUKA, Keigo HIGASHIDA, Emi ITO
  • Publication number: 20210280359
    Abstract: Disclosed herein is a coil component that includes a winding core part and a wire wound around the winding core part. The winding core part includes a first winding area positioned on a first flange part side, a second winding area positioned on a second flange part side, and a third winding area positioned between the first and second winding areas. The wire includes a first section wound in a plurality of turns around the first winding area, a second section wound in a plurality of turns around the second winding area, and a third section wound in less than one turn around the third winding area. A shift amount of a winding position of the wire in an axial direction per turn is larger in the third section than in each of the first and second sections.
    Type: Application
    Filed: March 3, 2021
    Publication date: September 9, 2021
    Inventors: Hanako YOSHINO, Keigo HIGASHIDA
  • Publication number: 20210257143
    Abstract: Disclosed herein is a circuit board that includes a substrate and a coil component mounted on the substrate. The coil component includes a core and a wire wound around the core. The substrate includes a dielectric and a capacitive electrode capacitively coupled to the wire through the dielectric and supplied with a ground potential.
    Type: Application
    Filed: February 17, 2021
    Publication date: August 19, 2021
    Inventors: Hanako YOSHINO, Keigo HIGASHIDA
  • Publication number: 20210257142
    Abstract: Disclosed herein is a coil component that includes a core having a winding core part, a first flange part positioned at one axial end of the winding core part, and a second flange part positioned at other axial end of the winding core part; a wire wound around the winding core part; a first conductive member overlapping the wire through a dielectric; a first terminal electrode provided on the first flange part and connected to one end of the wire; a second terminal electrode provided on the second flange part and connected to other end of the wire; and a third terminal electrode provided on the first flange part and connected to the first conductive member.
    Type: Application
    Filed: February 17, 2021
    Publication date: August 19, 2021
    Inventors: Hanako YOSHINO, Keigo HIGASHIDA
  • Publication number: 20200243251
    Abstract: Disclosed herein is a coil component that includes a winding core part, and first and second wires wound around the winding core part. The first and second wires constitute at least three winding layers on the winding core part. A i-th (i is an integer equal to or larger than 1) turn, a (i+1) turn, and a (i+2) turn of each of the first and second wires are positioned in mutually different winding layers.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 30, 2020
    Applicant: TDK CORPORATIO
    Inventors: Hanako YOSHINO, Hiroshi SUZUKI, Daisuke URABE, Keigo HIGASHIDA, Tomokazu TSUCHIYA
  • Publication number: 20200243257
    Abstract: Disclosed herein is a coil component that includes a winding core part and a wire wound around the winding core part. An i-th turn (i is an integer equal to or larger than 1) to a j-th turn (j is an integer equal to or larger than (i+2)) of the wire are wound in this order around the winding core part in an aligned state. A (j-th+1) turn of the wire is wound around a valley line formed by the i-th turn and a (i-th+1) turn. A (j-th+2) turn of the wire is wound adjacent to the j-th turn around the winding core part.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 30, 2020
    Applicant: TDK CORPORATION
    Inventors: Hanako YOSHINO, Hiroshi SUZUKI, Daisuke URABE, Keigo HIGASHIDA, Tomokazu TSUCHIYA
  • Publication number: 20200243244
    Abstract: Disclosed herein is a coil component that includes a winding core part and first and second wires wound around the winding core part. The first and second wires constitute at least three winding layers on the winding core part. The same turns of the first and second wires are positioned in mutually different winding layers over a plurality of turns.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 30, 2020
    Applicant: TDK CORPORATION
    Inventors: Hanako Yoshino, Hiroshi Suzuki, Daisuke Urabe, Keigo Higashida, Tomokazu Tsuchiya
  • Patent number: 9293913
    Abstract: An ESD suppressor is configured including first and second discharge electrodes arranged as separated from each other, and a discharge inducing portion kept in contact with the first and second discharge electrodes so as to connect mutually opposed portions of the first and second discharge electrodes to each other. The discharge inducing portion contains metal particles. The first and second discharge electrodes are located on the coil side with respect to the discharge inducing portion when viewed in a stack direction of a plurality of insulator layers. An element body has a cavity portion located so as to cover the whole of the discharge inducing portion when viewed in the stack direction from the coil side. The cavity portion is in contact with the mutually opposed portions of the first and second discharge electrodes and with the discharge inducing portion.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: March 22, 2016
    Assignee: TDK CORPORATION
    Inventors: Hidenobu Umeda, Yuma Ishikawa, Makoto Yoshino, Keigo Higashida
  • Publication number: 20150036248
    Abstract: An ESD suppressor is configured including first and second discharge electrodes arranged as separated from each other, and a discharge inducing portion kept in contact with the first and second discharge electrodes so as to connect mutually opposed portions of the first and second discharge electrodes to each other. The discharge inducing portion contains metal particles. The first and second discharge electrodes are located on the coil side with respect to the discharge inducing portion when viewed in a stack direction of a plurality of insulator layers. An element body has a cavity portion located so as to cover the whole of the discharge inducing portion when viewed in the stack direction from the coil side. The cavity portion is in contact with the mutually opposed portions of the first and second discharge electrodes and with the discharge inducing portion.
    Type: Application
    Filed: July 24, 2014
    Publication date: February 5, 2015
    Inventors: Hidenobu UMEDA, Yuma ISHIKAWA, Makoto YOSHINO, Keigo HIGASHIDA