Patents by Inventor Hayato IIZUKA

Hayato IIZUKA 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: 20240258748
    Abstract: A connector configured to be connected to an object includes: an electric wire with a terminal; a housing; a shield shell; and a fixing element. The fixing element is fixed to the shield shell and protrudes toward a front side. In a state of the fixing element being inserted in a guiding section in the object, displacement of the fixing element along an axial direction is limited. An end of the fixing element oriented toward the front side is located further toward the front side than ends of the housing and the shield shell oriented toward the front side.
    Type: Application
    Filed: January 25, 2024
    Publication date: August 1, 2024
    Applicant: Yazaki Corporation
    Inventors: Shotarou SHIBATA, Hayato IIZUKA, Hideto KUMAKURA, Takumi OKI, Takuya OHASHI
  • Publication number: 20240258738
    Abstract: A connection structure is a structure for connecting a housing and a cover. In the cover, an engagement portion which protrudes from a main body portion disposed in an opening of the housing is provided. The engagement portion includes a first protruding portion protruding to an outside in an inside-outside direction and a second protruding portion continuing with the first protruding portion to extend in a front-rear direction. In the housing, an accommodation groove for accommodating the engagement portion is provided. The accommodation groove includes a first groove extending in the inside-outside direction and a second groove continuing with the first groove to extend in the front-rear direction. In a state in which the housing and the cover are connected, the first protruding portion is accommodated in the first groove, and the second protruding portion is accommodated in the second groove.
    Type: Application
    Filed: January 18, 2024
    Publication date: August 1, 2024
    Applicant: Yazaki Corporation
    Inventors: Shotarou SHIBATA, Hayato IIZUKA, Hideto KUMAKURA, Takumi OKI, Takuya OHASHI
  • Patent number: 11837837
    Abstract: A terminal block includes: a busbar including a first terminal portion and a second terminal portion, the first terminal portion having a through hole; a housing that holds the busbar and has a storage chamber; a nut stored in the storage chamber; and a holder including a support unit that supports the nut, the holder configured to be attached to the housing, in which the storage chamber has wall surfaces facing individual side surfaces of the nut, the storage chamber configured to restrict rotation of the nut by using the wall surfaces of the storage chamber, and the support unit is positioned on a side opposite to a side of the first terminal portion with respect to the nut, the support unit configured to support the nut by setting a threaded hole of the nut to face the through hole.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: December 5, 2023
    Assignee: YAZAKI CORPORATION
    Inventors: Hayato Iizuka, Yasuhiro Otsuta, Yuki Hiruta
  • Publication number: 20220407245
    Abstract: A terminal block includes: a busbar including a first terminal portion and a second terminal portion, the first terminal portion having a through hole; a housing that holds the busbar and has a storage chamber; a nut stored in the storage chamber; and a holder including a support unit that supports the nut, the holder configured to be attached to the housing, in which the storage chamber has wall surfaces facing individual side surfaces of the nut, the storage chamber configured to restrict rotation of the nut by using the wall surfaces of the storage chamber, and the support unit is positioned on a side opposite to a side of the first terminal portion with respect to the nut, the support unit configured to support the nut by setting a threaded hole of the nut to face the through hole.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Applicant: Yazaki Corporation
    Inventors: Hayato IIZUKA, Yasuhiro OTSUTA, YUki HIRUTA
  • Publication number: 20220407246
    Abstract: A terminal block includes: busbars connected to a device; a collar through which a fastening member is inserted; a housing integrally molded with the busbars and the collar; and a capacitor including a casing and a ground terminal protruding from the casing, the capacitor connected to the busbars, in which the housing houses the casing in a state where the ground terminal faces the collar so that the ground terminal and the collar can be fastened together to a metal case by the fastening member.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 22, 2022
    Applicant: Yazaki Corporation
    Inventors: Hayato IIZUKA, Yasuhiro OTSUTA
  • Patent number: 11190000
    Abstract: A waterproof structure includes a first seal portion covering around an electric wire to be inserted into a mounting hole of an object to which the electric wire is mounted, the electric wire having a conductor and an insulation covering the conductor, and the first seal portion being elastic and electrically insulative, a housing provided at an end portion of the electric wire, the housing covering the first seal portion, the housing being made of an insulating resin having higher rigidity than the first seal portion and a second seal portion covering around the electric wire, being provided contiguously with an end portion of the housing, and being elastic and electrically insulative.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: November 30, 2021
    Assignee: Yazaki Corporation
    Inventors: Hayato Iizuka, Yusuke Tsutagawa, Kazuma Kayo, Hajime Kato, Akihiro Saito, Kai Kiuchi
  • Patent number: 11139647
    Abstract: A waterproof structure includes a first seal portion covering around an electric wire to be inserted into a mounting hole of an object to which the electric wire is mounted, the electric wire having a conductor and an insulation covering the conductor, and the first seal portion being elastic and electrically insulative, a housing provided at an end portion of the electric wire, the housing covering the first seal portion, the housing being made of an insulating resin having higher rigidity than the first seal portion and a second seal portion covering around the electric wire, being provided contiguously with an end portion of the housing, and being elastic and electrically insulative.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: October 5, 2021
    Assignee: Yazaki Corporation
    Inventors: Hayato Iizuka, Yusuke Tsutagawa, Kazuma Kayo, Hajime Kato, Akihiro Saito, Kai Kiuchi
  • Patent number: 11094454
    Abstract: A noise reduction unit includes a conductor having a winding portion and a ring-shaped core which is made of a magnetic material and is inserted through the winding portion, and a housing which houses the conductor and the ring-shaped core. An inner wall surface of the housing is formed with a recess configured to receive a part of the winding portion located on an outer circumferential surface of the ring-shaped core. The conductor is housed in the housing so that the part of the winding portion is received in the recess.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: August 17, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Hayato Iizuka, Kazuma Kayo
  • Patent number: 11049646
    Abstract: A noise filter (10) is equipped with a plurality of conductors (20) having respective winding portions (21) and a ring-shaped core (30) which is inserted through the winding portions of the a plurality of conductors and made of a magnetic material. The ring-shaped core is composed of a pair of divisional cores (41) and (42) which are combined together by joining each pair of joining surfaces (43) and (44), located at each end, of the pair of divisional cores and. The one divisional core is straight and is inserted through the winding portions of the a plurality of conductors. The other divisional core has partition walls (45) each of which is located between adjacent ones of the a plurality of conductors, projects toward the one divisional core, and serves to form a magnetic path between the partition wall and the one divisional core.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: June 29, 2021
    Assignees: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hayato Iizuka, Kazuma Kayo, Hiroshi Aihara
  • Patent number: 11004594
    Abstract: A surge voltage reduction member includes a tubular magnetic body having a through-hole and at least one coil wire. The coil wire is inserted through the through-hole and has a winding portion which is winded around a portion of the magnetic body. The coil wire is formed by connecting a bent coil element wire and a straight coil element wire. Where the coil wire has two or more bent coil element wires, the winding portion is formed by connecting the through-hole passing portion of one of adjacent bent coil element wires to the outside passing portion of the other of the adjacent bent coil element wires and connecting the outside passing portion of the one of the adjacent bent coil element wires to the straight coil element wire.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: May 11, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Yasuhiro Yamaguchi, Hayato Iizuka, Hiroaki Imai, Naoki Fujimoto, Hiroshi Aihara
  • Patent number: 10958064
    Abstract: A surge voltage reducing member includes: a magnetic body including a long-side portion and short-side portions continuously formed at both ends of the long-side portion in a longitudinal direction; and a plurality of conductive paths wound around the long-side portion. Each of the conductive paths is wound in parallel along the longitudinal direction of the long-side portion.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: March 23, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Yasuhiro Yamaguchi, Hayato Iizuka, Takeshi Innan, Hiroshi Aihara
  • Patent number: 10931060
    Abstract: A connector includes: a plurality of conductors; a magnetic core; a housing; and an insulator that locates a core assembling portion therein, the core assembling portion being composed of the respective intermediate portions of the plurality of conductors and the magnetic core, the housing chamber is at least partitioned into a first space in which the core assembling portion is housed and a second space in which the first electrical connection portion and the first counterpart conductor side are housed and are physically and electrically connected to each other, and the insulator is a solidified material of a liquid insulating potting agent filled in the vicinity of the core assembling portion in the first space in order to cover the core assembling portion.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: February 23, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Hayato Iizuka, Kazuma Kayo
  • Patent number: 10897105
    Abstract: A connector includes a plurality of conductors, a magnetic core, and a housing, the housing includes a housing member that is provided with a housing chamber that houses the plurality of conductors and the magnetic core, an abutment surface on which a core assembling portion abuts, and an opening that is arranged to face the abutment surface at an interval and exposes the core assembling portion housed in the housing chamber outward, the core assembling portion being composed of the respective intermediate portions of the plurality of conductors and the magnetic core housed in the housing chamber; a cover member that closes the opening; and a pressing member that is sandwiched between the cover member and the core assembling portion by pressing the core assembling portion to push the core assembling portion against the abutment surface when the housing member and the cover member are in an assembled state.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: January 19, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Hayato Iizuka, Kazuma Kayo, Hajime Kato
  • Publication number: 20200313357
    Abstract: A connector includes a plurality of conductors, a magnetic core, and a housing, the housing includes a housing member that is provided with a housing chamber that houses the plurality of conductors and the magnetic core, an abutment surface on which a core assembling portion abuts, and an opening that is arranged to face the abutment surface at an interval and exposes the core assembling portion housed in the housing chamber outward, the core assembling portion being composed of the respective intermediate portions of the plurality of conductors and the magnetic core housed in the housing chamber; a cover member that closes the opening; and a pressing member that is sandwiched between the cover member and the core assembling portion by pressing the core assembling portion to push the core assembling portion against the abutment surface when the housing member and the cover member are in an assembled state.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 1, 2020
    Inventors: Hayato Iizuka, Kazuma Kayo, Hajime Kato
  • Publication number: 20200313347
    Abstract: A connector includes: a plurality of conductors; a magnetic core; a housing; and an insulator that locates a core assembling portion therein, the core assembling portion being composed of the respective intermediate portions of the plurality of conductors and the magnetic core, the housing chamber is at least partitioned into a first space in which the core assembling portion is housed and a second space in which the first electrical connection portion and the first counterpart conductor side are housed and are physically and electrically connected to each other, and the insulator is a solidified material of a liquid insulating potting agent filled in the vicinity of the core assembling portion in the first space in order to cover the core assembling portion.
    Type: Application
    Filed: March 17, 2020
    Publication date: October 1, 2020
    Inventors: Hayato Iizuka, Kazuma Kayo
  • Patent number: 10773662
    Abstract: A routing structure of electrical wires and a wire harness include multi-phase electrical wires and a magnetic core having a ring shape, around which the electrical wires are winded. The magnetic core has a division type in which the first component constituting a part of the ring shape, and the second component constituting a remaining part of the ring shape are connected. The electrical wires with all the phases may be winded around the first component.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: September 15, 2020
    Assignee: YAZAKI CORPORATION
    Inventors: Yasuhiro Yamaguchi, Hayato Iizuka, Takeshi Innan
  • Publication number: 20200227908
    Abstract: A waterproof structure includes a first seal portion covering around an electric wire to be inserted into a mounting hole of an object to which the electric wire is mounted, the electric wire having a conductor and an insulation covering the conductor, and the first seal portion being elastic and electrically insulative, a housing provided at an end portion of the electric wire, the housing covering the first seal portion, the housing being made of an insulating resin having higher rigidity than the first seal portion and a second seal portion covering around an electric wire being provided contiguously with an end portion of the housing and being elastic and electrically insulative.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 16, 2020
    Applicant: Yazaki Corporation
    Inventors: Hayato Iizuka, Yusuke Tsutagawa, Kazuma Kayo, Hajime Kato, Akihiro Saito, Kai Kiuchi
  • Publication number: 20200227907
    Abstract: A waterproof structure includes a seal portion covering around an electric wire to be inserted into a mounting hole of an object to which the electric wire is mounted, the electric wire having a conductor and an insulation covering the conductor, and the seal portion being elastic and electrically insulative and a housing covering an end portion of the electric wire such that the housing overlaps the seal portion, the housing being made of an insulating resin having higher rigidity than the seal portion. The seal portion includes a first portion including one end of the seal portion and over which the housing overlaps the seal portion and a second portion other than the first portion and over which the housing does not overlap the seal portion, the first portion being smaller in outer diameter than the second portion.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 16, 2020
    Applicant: Yazaki Corporation
    Inventors: Hayato Iizuka, Yusuke Tsutagawa, Kazuma Kayo, Hajime Kato
  • Patent number: 10707628
    Abstract: A noise filter including a conductor and an annular core. The conductor has a wound portion. The annular core is formed of a magnetic material and passes through the wound portion. The annular core is formed of a pair of split cores that are assembled together with joining surfaces on both ends to be joined to each other. At least one of a recess portion and a projection portion that engage with each other is formed on the joining surfaces of the split cores which are joined to each other.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: July 7, 2020
    Assignee: Yazaki Corporation
    Inventors: Hayato Iizuka, Kazuma Kayo
  • Publication number: 20200070747
    Abstract: A routing structure of electrical wires and a wire harness include multi-phase electrical wires and a magnetic core having a ring shape, around which the electrical wires are winded. The magnetic core has a division type in which the first component constituting a part of the ring shape, and the second component constituting a remaining part of the ring shape are connected. The electrical wires with all the phases may be winded around the first component.
    Type: Application
    Filed: August 5, 2019
    Publication date: March 5, 2020
    Inventors: Yasuhiro Yamaguchi, Hayato Iizuka, Takeshi Innan