Patents Assigned to Yokowo Co., Ltd.
  • 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
  • Publication number: 20240022021
    Abstract: A plug of a connector includes a terminal portion to be inserted into and removed from an insertion portion of a receptacle. The terminal portion includes a contact, and a holder portion that holds the contact. The holder portion includes a flange portion having a distal end portion protruding toward an insertion direction of the insertion and removal direction from a distal end of the contact in the insertion direction and protruding in a predetermined orthogonal direction orthogonal to the insertion and removal direction. The flange portion is configured to position the terminal portion inserted into the insertion portion in the orthogonal direction.
    Type: Application
    Filed: July 20, 2021
    Publication date: January 18, 2024
    Applicant: YOKOWO CO., LTD.
    Inventor: Yasuhiro TAJIMA
  • Publication number: 20240014557
    Abstract: An antenna device according to one or more embodiments may include a base elongated in a longitudinal direction and a first antenna element disposed above the base, wherein the first antenna element is offset with respect to a center of the base in a lateral direction. The antenna device may include a board, wherein a feeding point at which the first antenna element is electrically connected to the board is offset with respect to the center of the base in the lateral direction.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Noritaka TERASHITA, Motohisa ONO
  • Publication number: 20240014561
    Abstract: An antenna device comprising: a case; a base forming an accommodation space with the case; and a first antenna and a second antenna, the first and second antennas being accommodated in the accommodation space, wherein the first antenna operates with radio waves in a first frequency band, the second antenna including a first element including a plurality of parallel resonators configured to resonate in the first frequency band, and first connecting portions each configured to connect 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, and the second antenna operates with radio waves in a second frequency band different from the first frequency band.
    Type: Application
    Filed: November 15, 2021
    Publication date: January 11, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Takayuki SONE, Bunpei HARA
  • Publication number: 20240006746
    Abstract: An antenna device which includes a plurality of antennas in a common case and is capable of achieving downsizing while suppressing a decrease of an antenna gain, is provided. An antenna device includes a TEL antenna and a capacity loaded element in a common case. The capacity loaded element is located above the TEL antenna. A length of the capacity loaded element is a positive integer multiple of one-half a wavelength of a PCS band. The TEL antenna is arranged so as to avoid a voltage maximum point of a standing wave, of the PCS band, generated in the capacity loaded element.
    Type: Application
    Filed: August 16, 2023
    Publication date: January 4, 2024
    Applicant: YOKOWO CO., LTD.
    Inventors: Noritaka TERASHITA, Motohisa ONO
  • Patent number: 11862859
    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: Grant
    Filed: January 4, 2023
    Date of Patent: January 2, 2024
    Assignee: YOKOWO CO., LTD.
    Inventors: Takeshi Sampo, Takayuki Sone
  • Patent number: 11855340
    Abstract: An antenna device which includes a plurality of antennas in a common case and is capable of achieving downsizing while suppressing a decrease of an antenna gain, is provided. An antenna device includes a TEL antenna and a capacity loaded element in a common case. The capacity loaded element is located above the TEL antenna. A length of the capacity loaded element is a positive integer multiple of one-half a wavelength of a PCS band. The TEL antenna is arranged so as to avoid a voltage maximum point of a standing wave, of the PCS band, generated in the capacity loaded element.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: December 26, 2023
    Assignee: Yokowo Co., Ltd.
    Inventors: Noritaka Terashita, Motohisa Ono
  • Patent number: 11855363
    Abstract: A first conductive plate (110) is located at a first surface (302) side of a substrate (300) away from the first surface (302) of the substrate (300). The first conductive plate (110) has an opening (112). A first conductive part (120) electrically connects the first conductive plate (110) and the substrate (300) to each other. A second conductive plate (210) is located at the first surface (302) side of the substrate (300) away from the first surface (302) of the substrate (300). A second conductive part (220) electrically connects the second conductive plate (210) and the substrate (300) to each other. The second conductive plate (210) is located inside the opening (112) of the first conductive plate (110).
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: December 26, 2023
    Assignee: YOKOWO CO., LTD.
    Inventor: Takeshi Sampo
  • Publication number: 20230411865
    Abstract: A patch antenna includes: a radiating element having a flat-plate shape; and a parasitic element provided at a position spaced away from the radiating element in planar view in which the radiating element is seen from a direction perpendicular to a plate surface of the radiating element. A longitudinal direction of the parasitic element is oriented along a direction of a line segment connecting a center of the radiating element and a feeding point in the planar view.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Applicant: YOKOWO CO., LTD.
    Inventor: Takeshi SAMPO
  • Publication number: 20230397329
    Abstract: A flexible substrate includes one end portion, the other end portion, and a pattern portion formed at least between the one end portion and the other end portion. The pattern portion has a tongue piece formed by a notch. The tongue piece is configured to be electrically connected to another member.
    Type: Application
    Filed: October 21, 2021
    Publication date: December 7, 2023
    Applicant: YOKOWO CO., LTD.
    Inventors: Hisashi SUZUKI, Chikara MIURA
  • Publication number: 20230393171
    Abstract: A contact probe includes a first plunger including a tip portion and a base end portion, and a spring configured to bias the first plunger, in which a surface of the tip portion and a surface of the base end portion are formed of metal materials which are different from each other.
    Type: Application
    Filed: October 8, 2021
    Publication date: December 7, 2023
    Applicant: YOKOWO CO., LTD.
    Inventor: Kenichi SATO
  • Publication number: 20230378653
    Abstract: An antenna includes a dielectric, and a patch electrode and a circuit substrate which are mounted on the dielectric, wherein the patch electrode has four feeding terminals, and wherein substrate-side feeding terminals which are electrically continuous respectively with the four feeding terminals in a one-to-one manner, a phase circuit which performs a phase shift for signals output from the substrate-side feeding terminals, a mixing circuit which mixes signals for which the phase shift is performed by the phase circuit, and an amplifier circuit which amplifies signals mixed by the mixing circuit are mounted on the circuit substrate.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 23, 2023
    Applicant: YOKOWO CO., LTD.
    Inventors: Hirotoshi MIZUNO, Masaya IMADATE
  • Publication number: 20230360834
    Abstract: A vehicle-mounted apparatus includes an accommodation portion that is configured to accommodate an electronic key of a vehicle, an actuator that is configured to perform a press operation to the electronic key accommodated in the accommodation portion by moving a movable portion in one direction, and an intermediate member that is disposed between the electronic key accommodated in the accommodation portion and the actuator and that is configured to transmit a force of the press operation to a press button of the electronic key. The intermediate member is configured to abut against the movable portion and to apply a biasing force for biasing the movable portion in a direction opposite to the one direction.
    Type: Application
    Filed: August 20, 2021
    Publication date: November 9, 2023
    Applicant: YOKOWO CO., LTD.
    Inventor: Tsugio YAMAMOTO
  • Patent number: 11804653
    Abstract: An antenna device includes a case, a first antenna and a second antenna in the case, the second antenna including a capacitance loading element. The capacitance loading element includes an inclined portion which extends from a front-upper side toward a rear-lower side at a front side of the capacitance loading element. The first antenna is provided in a front side with respect to the inclined portion.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: October 31, 2023
    Assignee: YOKOWO CO., LTD.
    Inventors: Noritaka Terashita, Motohisa Ono