Patents Assigned to Yokowo Co., Ltd.
  • Publication number: 20240159793
    Abstract: An IC inspection socket includes: a pin block including a plurality of contact probes; a floating plate configured to guide the IC package to be inspected; and a heating element configured to heat the IC package, in which the heating element is configured to be in contact with the IC package.
    Type: Application
    Filed: March 7, 2022
    Publication date: May 16, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Daigo TAKEI, Kazuma TAKEUCHI
  • Publication number: 20240162600
    Abstract: An antenna device includes: a first substrate disposed at an end portion of a ground member in one direction of a front direction and a rear direction of a vehicle, the ground member being configured to be attached to a reinforcement member of the vehicle; and a first antenna element provided at the first substrate, the first antenna element including a first upright portion formed to extend upright relative to the first substrate, and a first arm portion extending from the first upright portion, and overlapping with the end portion of the ground member in a plan view.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 16, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Takashi NOZAKI, Noritaka TERASHITA
  • Publication number: 20240154316
    Abstract: An antenna comprises a substrate; and a first conductor part and a second conductor part formed on the substrate wherein the first conductor part is connected to a signal wire, the second conductor part is connected to a ground wire, and the first conductor part and the second conductor part operate as a sleeve dipole antenna.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 9, 2024
    Applicant: YOKOWO CO., LTD.
    Inventor: Takeshi SAMPO
  • Patent number: 11978970
    Abstract: An antenna device (10) includes a substrate (100) including a first surface (102), a first antenna (200) provided on the substrate (100), a second antenna (300) provided on the substrate (100), and a third antenna (400) provided on the first surface (102) of the substrate (100), and a center point (CP) of the third antenna (400) is positioned on the same side as an end portion (EP2) of the second antenna (300) furthest from the first antenna (200), relative to a center line (CL) passing through a center of a line (L) connecting an end portion (EP1) of the first antenna (200) furthest from the second antenna (300) and the end portion (EP2) of the second antenna (300) furthest from the first antenna (200), or relative to a center line (CL) of the first surface (102) of the substrate (100).
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: May 7, 2024
    Assignee: YOKOWO CO., LTD.
    Inventors: Kazuya Matsunaga, Takeshi Sampo, Yuki Kikuchi
  • Publication number: 20240136732
    Abstract: An antenna device including an antenna having a radiation element capable of receiving a signal of a predetermined frequency band, and a metallic portion having at least one parasitic slot provided around the antenna.
    Type: Application
    Filed: February 4, 2022
    Publication date: April 25, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Hirotoshi MIZUNO, Takashi NOZAKI
  • Publication number: 20240136717
    Abstract: A patch antenna comprising: a radiating element; a first dielectric member at which the radiating element is provided; and at least one second dielectric member provided around the first dielectric member. A relative dielectric constant of the second dielectric member is larger than a relative dielectric constant of the first dielectric member. The relative dielectric constant of the second dielectric member is 30 or larger.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 25, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Takashi NOZAKI, Hirotoshi MIZUNO
  • Patent number: 11959940
    Abstract: A contact probe capable of being used for an inspection of a semiconductor package in which a recess is formed in a terminal portion includes a plunger including a distal end portion that comes into contact with the terminal portion. The distal end portion includes a protruding portion protruding toward the terminal portion and a shoulder portion having a protruding height toward the terminal portion lower than that of the protruding portion.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: April 16, 2024
    Assignee: YOKOWO CO., LTD.
    Inventor: Kenichi Sato
  • Patent number: 11949154
    Abstract: An antenna device for vehicle includes: an antenna element; an external connection terminal; a connection detection resistor having one end being grounded and having another end being connected with the external connection terminal, the connection detection resistor being connected in parallel with the antenna element; and a protection circuit having a capacitor, the capacitor having one end being grounded and having another end being connected with the external connection terminal, the capacitor being connected in parallel with the connection detection resistor, the protection circuit conducting a surge current from the external connection terminal to a ground side.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: April 2, 2024
    Assignee: YOKOWO CO., LTD.
    Inventors: Noritaka Terashita, Motohisa Ono
  • Publication number: 20240106144
    Abstract: A connection device (10) includes a flexible substrate (200), a coaxial connector (300) overlapping with the flexible substrate (200), and a jig (400) fixing the flexible substrate (200) and the coaxial connector (300).
    Type: Application
    Filed: February 3, 2022
    Publication date: March 28, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Takahiro NAKAMURA, Yasushi SHIRAKATA, Shoichi KOSHIKAWA
  • Publication number: 20240097317
    Abstract: In order to ensure isolation between a plurality of antenna elements arranged in a narrow space while reducing a size of an antenna device for a vehicle, an antenna device (100) for a vehicle includes an antenna case (101), a base (102) forming an accommodation space together with the antenna case (101), and a first antenna element (122) and a second antenna element (123) that are accommodated in the accommodation space. The first antenna element (122) and the second antenna element (123) at least transmit or receive radio waves in different frequency bands. The first antenna element (122) at least partially has a meandering shape in a first direction that intersects polarization of radio waves transmitted or received by the second antenna element (123).
    Type: Application
    Filed: November 26, 2021
    Publication date: March 21, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Noritaka TERASHITA, Motohisa ONO, Tomohiro HOSHI, Yusuke YOKOTA, Satoshi IWASAKI
  • Publication number: 20240097349
    Abstract: An antenna device includes: a pair of first elements that are arranged on a first plane; and a pair of second elements that are arranged on a second plane parallel to the first plane such that a polarized wave direction of the pair of second elements is orthogonal to that of the pair of first elements. Each element of the pair of first elements and the pair of second elements includes a portion that acts as a self-similarity antenna or an antenna that acts based on similar operating principle to the self-similarity antenna. In one embodiment, each element of the pair of first elements and the pair of second elements includes two arms that extend in a direction away from each other from a proximal end portion to which a feed point is connectable.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 21, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Takeshi SAMPO, Takayuki SONE
  • Patent number: 11936101
    Abstract: An antenna device includes a first antenna and a second antenna provided in a case. The first antenna includes a first capacitance loading element and is configured to at least one of receive and transmit a signal in a first frequency band. The second antenna includes a second capacitance loading element and is configured to at least one of receive and transmit a signal in a second frequency band. The second frequency band is higher than the first frequency band. The second capacitance loading element is disposed at a front side of the first capacitance loading element.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: March 19, 2024
    Assignee: YOKOWO CO., LTD.
    Inventors: Noritaka Terashita, Yusuke Yokota, Kazuya Fujimaki
  • Publication number: 20240047897
    Abstract: An antenna device (100) for a vehicle includes an antenna case (101), an antenna base (102) forming an accommodation space together with the antenna case (101), a first antenna element (108) that is accommodated in the accommodation space and that at least transmits or receives a circularly polarized wave; a second antenna element (110) that is arranged close to the first antenna element (108) and that at least transmits or receives a linearly polarized wave; and at least one parasitic element (111), (112a), (112b), or (112c) serving as a reflector or a waveguide for the second antenna element (110).
    Type: Application
    Filed: December 22, 2021
    Publication date: February 8, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Bunpei HARA, Seiya HIROKI
  • Publication number: 20240047880
    Abstract: A patch antenna includes: a radiation element; and n (where n is a natural number of 2 or greater) metal bodies that are positioned above the radiation element, wherein an area of at least one of the n metal bodies is different from an area of any other metal body of the n metal bodies. Further, in the patch antenna, the n is 2 or 3, at least two of the n metal bodies are a first metal body and a second metal body, respectively, the first metal body is provided at a distance equal to or smaller than one-tenth of a wavelength in a desired frequency band, from the radiation element in a direction perpendicular to an upper surface of the radiation element, and the second metal body is arranged at position closest to the first metal body in the direction perpendicular to the upper surface of radiation element.
    Type: Application
    Filed: December 23, 2021
    Publication date: February 8, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Hiroto IEDA, Kazuhiro KOWAITA
  • Publication number: 20240047879
    Abstract: A patch antenna includes: a dielectric member; a radiating element provided at the dielectric member; and at least one parasitic element provided in a surrounding region of the dielectric member and the radiating element, the at least one parasitic element being grounded. Further, the at least one parasitic element includes a plurality of parasitic elements, the plurality of parasitic elements are provided in the surrounding region of the radiating element, and the plurality of parasitic elements are each provided at a position away from an outer edge of the radiating element by a predetermined distance.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 8, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Takashi NOZAKI, Hirotoshi MIZUNO
  • Patent number: 11894624
    Abstract: A slotted patch antenna includes a dielectric substrate, a radiation electrode which is provided on a major surface of the dielectric substrate, and a ground conductor which is disposed on a surface that is opposite to the major surface. The radiation electrode is formed with a slots having at least one of a meandering portion, a curve portion, or a folded portion. An external shape of the radiation electrode is a square, and totally two pairs of slots are formed inside the square, each of the slots being along respective sides of the square. Each of the slots is arranged so as to be line-symmetrical with respect to an axis of symmetry that is parallel with one of the sides of the square and passes through a center of the square, and to be point-symmetrical with respect to the center of the square.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: February 6, 2024
    Assignee: YOKOWO CO., LTD.
    Inventor: Takeshi Sampo
  • Patent number: 11888241
    Abstract: An antenna device includes a patch antenna serving as a first antenna; and a second antenna including capacitance loading elements, the capacitance loading elements being located above the patch antenna and also arranged separately in a predetermined direction. Also, an antenna device includes a patch antenna serving as a first antenna; and a second antenna including capacitance loading elements, the capacitance loading elements being located above the patch antenna, and a slit-like cutout part in a predetermined direction being formed in at least one of side edges of the capacitance loading elements.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: January 30, 2024
    Assignee: YOKOWO CO., LTD.
    Inventor: Takayuki Sone
  • Publication number: 20240030624
    Abstract: [OBJECT] To implement an antenna device capable of supporting radio waves in a wide frequency band. [SOLUTION] An antenna device includes: a first element; a second element capacitively coupled to the first element; and a base portion coupled to the first element and the second element, wherein the first element supports, with the second element, radio waves at least in a first frequency band.
    Type: Application
    Filed: December 10, 2021
    Publication date: January 25, 2024
    Applicant: YOKOWO CO., LTD.
    Inventor: Kazuya MATSUNAGA
  • Patent number: 11881615
    Abstract: An antenna device for a vehicle, the antenna device includes; an antenna; a camera; and a case that accommodates the antenna and the camera, wherein the antenna includes a capacitance loading element disposed at a position separate from the camera, and when the capacitance loading element is divided into a short-distance-side portion and a long-distance-side portion based on a distance from the camera, a length of a first portion of the short-distance-side portion is shorter than a length of a second portion of the short-distance-side portion in a height direction, in which the first portion overlaps the camera in top view and/or side view while the second portion does not overlap the camera in top view and/or side view.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: January 23, 2024
    Assignee: YOKOWO CO., LTD.
    Inventors: Masaru Shimizu, Tsuyoshi Komori, Yuzou Harada
  • Publication number: 20240021997
    Abstract: An antenna comprising: a first element including a plurality of parallel resonators configured to resonate in a first frequency band, and at least one first connecting portion configured to connect the parallel resonators immediately adjacent to each other in the plurality of the parallel resonators; and a second element configured to be connected to the first element, wherein the first element and the second element operate with radio waves in a second frequency band different from the first frequency band.
    Type: Application
    Filed: November 15, 2021
    Publication date: January 18, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Takayuki SONE, Bunpei HARA