Patents by Inventor Shuhei SOMEYA

Shuhei SOMEYA 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).

  • Patent number: 11869704
    Abstract: A coil device includes a winding core, a wire, and a terminal fitting. The winding core is made of a magnetic material and includes a flange. The wire is wound around the winding core. The terminal fitting is attached to a part of an outer surface of the flange. The terminal fitting includes a contact part and a protrusion plate part. The contact part is contacted with the outer surface of the flange. The protrusion plate part is formed integrally with the contact part and protrudes away from the flange. The protrusion plate part includes a wire connection surface and a main mounting surface. A lead end of the wire is connected to the wire connection surface. The main mounting surface is located opposite to the wire connection surface and is connectable to an external circuit.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: January 9, 2024
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Aoi Tokiwa, Daisuke Urabe
  • Publication number: 20230093320
    Abstract: To provide a coil device having high bonding strength and bonding reliability. The coil device 1 has a core member 10 having a winding core and a flange 12, a wire 32 wound around the winding core, and a terminal electrode 52 connected with a lead 32a of a wire 32 provided to the flange 12; and an easy bonding layer 70 is formed on the surface of the terminal electrode 52 connected with the lead 32a in a stripe form 70a. the stripe form each bonding layer 70a is formed as a laser mark 71. In the coil device 1, a residue of coating film 78 which may be generated when the lead 32a of the wire 32 is connected to the mounting part 65 of the terminal electrode 52 is removed by laser.
    Type: Application
    Filed: November 29, 2022
    Publication date: March 23, 2023
    Applicant: TDK CORPORATION
    Inventors: Kouyu OHI, Tasuku MIKOGAMI, Shuhei SOMEYA, Yusuke KIMOTO
  • Patent number: 11545294
    Abstract: To provide a coil device having high bonding strength and bonding reliability. The coil device 1 has a core member 10 having a winding core and a flange 12, a wire 32 wound around the winding core, and a terminal electrode 52 connected with a lead 32a of a wire 32 provided to the flange 12; and an easy bonding layer 70 is formed on the surface of the terminal electrode 52 connected with the lead 32a in a stripe form 70a. the stripe form each bonding layer 70a is formed as a laser mark 71. In the coil device 1, a residue of coating film 78 which may be generated when the lead 32a of the wire 32 is connected to the mounting part 65 of the terminal electrode 52 is removed by laser.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: January 3, 2023
    Assignee: TDK CORPORATION
    Inventors: Kouyu Ohi, Tasuku Mikogami, Shuhei Someya, Yusuke Kimoto
  • Patent number: 11521787
    Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core covering the first magnetic core from one side in a third direction; first and second terminal electrodes connected respectively to one ends of the first and second wires; and third and fourth terminal electrodes connected respectively to other ends of the first and second wires. The first and second electrodes are arranged in the first direction along the first surface of the first magnetic core, and the third and fourth terminal electrodes are arranged in the first direction along the second surface of the first magnetic core.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: December 6, 2022
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Kouyu Ohi, Tasuku Mikogami
  • Patent number: 11456113
    Abstract: Disclosed herein is a coil component that includes: a core including a winding core part extending in a first direction and a flange part provided at one end of the winding core part in the first direction, the flange part having a first surface substantially parallel with the first direction; a plate-like member fixed to the first surface of flange part; and a wire wound around the winding core part. The first surface of flange part has a cut part greater in size than a diameter of the wire.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: September 27, 2022
    Assignee: TDK CORPORATION
    Inventors: Tasuku Mikogami, Shuhei Someya, Syun Ashizawa, Setu Tsuchida
  • Patent number: 11456112
    Abstract: Disclosed herein is a coil component that includes a core including a winding core part extending in the x-direction and a flange part, a terminal electrode provided on the flange part, and a wire wound around the winding core part and connected to the terminal electrode. The terminal electrode does not overlap the winding core part in the y-direction. The wire includes a wound part wound around the winding core part and a drawn part drawn from the wound part, running across the winding core part in the z-direction and connected to the terminal electrode. The core has a positioning part that positions the drawn part of the wire in the y-direction.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: September 27, 2022
    Assignee: TDK CORPORATION
    Inventors: Tasuku Mikogami, Shuhei Someya, Syun Ashizawa, Setu Tsuchida
  • Publication number: 20220301766
    Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core having a first wall surface part covering the first magnetic core from one side in the second direction, a second wall surface part covering the first magnetic core from other side in the second direction, and a third wall surface part covering the first magnetic core from one side in the third direction; first and second terminal electrodes connected respectively to one ends of the wires and arranged in the first direction along the first wall surface part; and third and fourth terminal electrodes connected respectively to other ends of the wires and arranged in the first direction along the second wall surface part.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 22, 2022
    Applicant: TDK CORPORATION
    Inventors: Shuhei Someya, Kouyu Ohi, Tasuku Mikogami
  • Patent number: 11424070
    Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core having a first wall surface part covering the first magnetic core from one side in the second direction, a second wall surface part covering the first magnetic core from other side in the second direction, and a third wall surface part covering the first magnetic core from one side in the third direction; first and second terminal electrodes connected respectively to one ends of the wires and arranged in the first direction along the first wall surface part; and third and fourth terminal electrodes connected respectively to other ends of the wires and arranged in the first direction along the second wall surface part.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: August 23, 2022
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Kouyu Ohi, Tasuku Mikogami
  • Patent number: 11328860
    Abstract: Disclosed herein is a coil component that includes: a first core having a mounting surface and a coil placing surface positioned opposite to the mounting surface; a lower coil placed on the coil placing surface such that a coil axis of the lower coil extends substantially perpendicular to the coil placing surface; an upper coil substantially coaxially stacked on the lower coil; and a second core disposed through inner diameter areas of the lower and upper coils. The number of turns of one of the lower and upper coils is larger by less than one turn than other one of the lower and upper coils. The diameter of the second core is larger at a first section surrounded by the other one of the lower and upper coils than at a second section surrounded by the one of the lower and upper coils.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: May 10, 2022
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Tasuku Mikogami, Yuichi Anzai, Hideomi Takahashi
  • Patent number: 11322294
    Abstract: Disclosed herein is a coil component that includes: a first core having a mounting surface and a coil placing surface positioned opposite to the mounting surface; a lower coil placed on the coil placing surface such that a coil axis of the lower coil extends substantially perpendicular to the coil placing surface, the lower coil having one end drawn to a first area of the mounting surface and other end drawn to a second area of the mounting surface; and an upper coil substantially coaxially stacked on the lower coil, the upper coil having one end drawn to a third area of the mounting surface and other end drawn to a fourth area of the mounting surface. The lower coil is greater in a coil diameter than the upper coil.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: May 3, 2022
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Tasuku Mikogami, Yuichi Anzai, Hideomi Takahashi
  • Patent number: 11322296
    Abstract: Disclosed herein is a pulse transformer that includes first to fourth terminal electrodes provided on the first flange part, fifth to eighth terminal electrodes provided on the second flange part, first and second wires wound around the winding core part having one end connected to the first and second terminal electrodes and other end connected to the seventh and eighth terminal electrodes, and third and fourth wire wound around the winding core part having one end connected to third and fourth terminal electrodes and other end connected to the fifth and sixth terminal electrodes. A winding direction of the first and third wires is opposite to a winding direction of the second and fourth wires.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: May 3, 2022
    Assignee: TDK CORPORATION
    Inventors: Tasuku Mikogami, Shuhei Someya, Syun Ashizawa, Setu Tsuchida
  • Publication number: 20220060342
    Abstract: Disclosed herein is a bias tee circuit connected between a common terminal and power supply and signal terminals, the bias tee circuit includes a capacitor inserted between the common terminal and the signal terminal, and first and second inductors inserted in series between the common terminal and the power supply terminal. The first inductor is connected on a side of the common terminal. The second inductor is connected on a side of the power supply terminal. The second inductor is higher in self-resonance frequency and lower in Q value than the first inductor.
    Type: Application
    Filed: August 11, 2021
    Publication date: February 24, 2022
    Applicant: TDK CORPORATION
    Inventors: Shuhei SOMEYA, Mitsuyuki Nara, Katsufumi Ehata, Shinichi Tsuchiya, Hirofumi Tomita, Yoshinobu Shimokura
  • Patent number: 11031170
    Abstract: A coil device includes a coil, a core, and an electrode. The coil is formed by winding a wire. The core is provided with the coil. The electrode has a wire joint part configured to be connected with a wire end of the wire. A mount surface of the electrode is at least partially covered with a cover layer.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: June 8, 2021
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Tasuku Mikogami
  • Publication number: 20210166861
    Abstract: A coil device includes a winding core, a wire, and a terminal fitting. The winding core is made of a magnetic material and includes a flange. The wire is wound around the winding core. The terminal fitting is attached to a part of an outer surface of the flange. The terminal fitting includes a contact part and a protrusion plate part. The contact part is contacted with the outer surface of the flange. The protrusion plate part is formed integrally with the contact part and protrudes away from the flange. The protrusion plate part includes a wire connection surface and a main mounting surface. A lead end of the wire is connected to the wire connection surface. The main mounting surface is located opposite to the wire connection surface and is connectable to an external circuit.
    Type: Application
    Filed: October 26, 2020
    Publication date: June 3, 2021
    Applicant: TDK CORPORATION
    Inventors: Shuhei SOMEYA, Aoi TOKIWA, Daisuke URABE
  • Publication number: 20210166862
    Abstract: A coil device includes a winding core, a flange, and a terminal fitting. The winding core is wound by a wire. The flange is formed at an end of the winding core in its axial direction. The terminal fitting is attached to the flange. The terminal fitting includes an engagement part engaged with a circumferential wall part of the flange.
    Type: Application
    Filed: October 26, 2020
    Publication date: June 3, 2021
    Applicant: TDK CORPORATION
    Inventors: Shuhei SOMEYA, Aoi TOKIWA, Daisuke URABE
  • Publication number: 20200111601
    Abstract: To provide a coil device having high bonding strength and bonding reliability. The coil device 1 has a core member 10 having a winding core and a flange 12, a wire 32 wound around the winding core, and a terminal electrode 52 connected with a lead 32a of a wire 32 provided to the flange 12; and an easy bonding layer 70 is formed on the surface of the terminal electrode 52 connected with the lead 32a in a stripe form 70a. the stripe form each bonding layer 70a is formed as a laser mark 71. In the coil device 1, a residue of coating film 78 which may be generated when the lead 32a of the wire 32 is connected to the mounting part 65 of the terminal electrode 52 is removed by laser.
    Type: Application
    Filed: September 20, 2019
    Publication date: April 9, 2020
    Applicant: TDK CORPORATION
    Inventors: Kouyu OHI, Tasuku MIKOGAMI, Shuhei SOMEYA, Yusuke KIMOTO
  • Publication number: 20200013541
    Abstract: Disclosed herein is a pulse transformer that includes first to fourth terminal electrodes provided on the first flange part, fifth to eighth terminal electrodes provided on the second flange part, first and second wires wound around the winding core part having one end connected to the first and second terminal electrodes and other end connected to the seventh and eighth terminal electrodes, and third and fourth wire wound around the winding core part having one end connected to third and fourth terminal electrodes and other end connected to the fifth and sixth terminal electrodes. A winding direction of the first and third wires is opposite to a winding direction of the second and fourth wires.
    Type: Application
    Filed: July 5, 2019
    Publication date: January 9, 2020
    Applicant: TDK CORPORATION
    Inventors: Tasuku MIKOGAMI, Shuhei SOMEYA, Syun ASHIZAWA, Setu TSUCHIDA
  • Publication number: 20190385786
    Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core having a first wall surface part covering the first magnetic core from one side in the second direction, a second wall surface part covering the first magnetic core from other side in the second direction, and a third wall surface part covering the first magnetic core from one side in the third direction; first and second terminal electrodes connected respectively to one ends of the wires and arranged in the first direction along the first wall surface part; and third and fourth terminal electrodes connected respectively to other ends of the wires and arranged in the first direction along the second wall surface part.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 19, 2019
    Applicant: TDK CORPORATION
    Inventors: Shuhei SOMEYA, Kouyu Ohi, Tasuku Mikogami
  • Publication number: 20190385783
    Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core covering the first magnetic core from one side in a third direction; first and second terminal electrodes connected respectively to one ends of the first and second wires; and third and fourth terminal electrodes connected respectively to other ends of the first and second wires. The first and second electrodes are arranged in the first direction along the first surface of the first magnetic core, and the third and fourth terminal electrodes are arranged in the first direction along the second surface of the first magnetic core.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 19, 2019
    Applicant: TDK CORPORATION
    Inventors: Shuhei SOMEYA, Kouyu OHI, Tasuku MIKOGAMI
  • Publication number: 20190333690
    Abstract: Disclosed herein is a coil component that includes: a first core having a mounting surface and a coil placing surface positioned opposite to the mounting surface; a lower coil placed on the coil placing surface such that a coil axis of the lower coil extends substantially perpendicular to the coil placing surface; an upper coil substantially coaxially stacked on the lower coil; and a second core disposed through inner diameter areas of the lower and upper coils. The number of turns of one of the lower and upper coils is larger by less than one turn than other one of the lower and upper coils. The diameter of the second core is larger at a first section surrounded by the other one of the lower and upper coils than at a second section surrounded by the one of the lower and upper coils.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 31, 2019
    Applicant: TDK CORPORATION
    Inventors: Shuhei Someya, Tasuku Mikogami, Yuichi Anzai, Hideomi Takahashi