Patents Assigned to Yokowo Co., Ltd.
  • Optical transmission connector, plug, and receptacle
    Patent number: 10551570
    Abstract: A plug of a connector that performs optical transmission is provided with an optical connection unit. The optical connection unit includes a lens that is provided on a side surface of the optical connection unit and performs optical connection with a lens provided on an optical connection unit of a receptacle in a direction orthogonal to an inserting/removing direction of the plug, and a locating surface that is provided on the side surface of the optical connection unit and abuts on a locating surface of the receptacle to determine a position of the optical connection unit in a mating condition of the plug into the receptacle.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: February 4, 2020
    Assignee: YOKOWO CO., LTD.
    Inventors: Akihiro Yodogawa, Hideki Kamitsuna, Ryo Nagase
  • Spring connector
    Patent number: 10547135
    Abstract: Provided is a spring connector capable of preventing deformation of a waterproof elastic member from being spread to a periphery. A spring connector includes a first pin having a contact part with an object, a spring for applying a contact force with the object to the first pin, an intermediate member held by the first pin so as to move together with the first pin by pressing-in or the like, and a waterproof elastic member which is interposed between the first pin and the intermediate member and watertightly seals a space between the first pin and the intermediate member.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: January 28, 2020
    Assignee: YOKOWO CO., LTD.
    Inventor: Kenta Sugiura
  • ANTENNA DEVICE
    Publication number: 20200028249
    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: Application
    Filed: September 30, 2019
    Publication date: January 23, 2020
    Applicant: YOKOWO CO., LTD.
    Inventors: Noritaka TERASHITA, Yusuke YOKOTA, Kazuya FUJIMAKI
  • Spring connector
    Patent number: 10535942
    Abstract: A spring connector includes a movable pin, a conductive tube accommodating a base portion of the movable pin, a spring provided in the conductive tube so as to urge the movable pin in a direction, in which the movable pin protrudes from the conductive tube, and a plate spring contact including a plurality of plate springs that electrically connect the movable pin and the conductive tube to each other. The plurality of plate springs are provided around an entire circumference of the movable pin and are in elastic contact with an inner circumferential surface of the conductive tube, respectively.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: January 14, 2020
    Assignee: YOKOWO CO., LTD.
    Inventors: Kenta Sugiura, Yoshihiro Tanai
  • Antenna device
    Patent number: 10530037
    Abstract: An antenna device capable of suppressing influence on an antenna performance even if an electronic device is provided in its vicinity is provided. An antenna device 1 is equipped with a top element 30 and a coil 40. A casing 51 of a camera 50 is disposed at such a position as not to be right under the top element 30. The coil 40 is disposed close to the casing 51 in a front-rear direction. A distance between the casing 51 and the coil 40 in the front-rear direction is longer than or equal to 0.00075 times a shortest wavelength of a reception target signal. A maximum antenna efficiency of the antenna device 1 in a predetermined frequency band is higher than or equal to 85% of a maximum antenna efficiency in a case where the camera 50 is not provided.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: January 7, 2020
    Assignee: YOKOWO CO., LTD.
    Inventors: Hirotoshi Mizuno, Kentaro Hayashi, Masayuki Goto
  • ANTENNA DEVICE
    Publication number: 20190393596
    Abstract: In an antenna device, when an AM/FM antenna as a first antenna and an SDARS antenna or a GPS antenna as a second antenna that have different frequency bands are provided in a common case, an additional conductor portion extends out from a conductor main body portion of a capacitive element, and the additional conductor portion includes a parallel strip-shaped portion having a length that is ΒΌ of an effective wavelength in a frequency band of the second antenna, and extending parallel to the conductor main body portion.
    Type: Application
    Filed: September 11, 2017
    Publication date: December 26, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Hirotoshi MIZUNO, Masayuki GOTO, Kazuhiro KOWAITA
  • VEHICLE ANTENNA DEVICE
    Publication number: 20190379108
    Abstract: A vehicle antenna device includes an antenna base, an antenna case that covers the antenna base, and an antenna element positioned inside the antenna case and including a capacitive element and a coil element. The coil element includes a supporting body and a winding held by the supporting body, and the supporting body has a support area and projections that are formed along an axial direction of the coil element and hold the winding in the support area.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Sadao OHNO, Kengo OSAWA
  • ANTENNA DEVICE
    Publication number: 20190379109
    Abstract: An antenna device includes a case, a first antenna and a second antenna including a capacitance loading element. The capacitance loading element includes a turning-around area turning around in a front-rear direction on at least one of a front side and a rear side thereof. When the turning-around area is provided on the front side, at least part of the first antenna is situated in front of the turning-around area. When the turning-around area is provided on the rear side, at least part of the first antenna is situated behind the turning-around area. When the turning-around area is provided on the front side and on the rear side, at least part of the first antenna is situated at least one of in front of the turning-around area on the front side and behind the turning-around area on the rear side.
    Type: Application
    Filed: August 23, 2019
    Publication date: December 12, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Noritaka Terashita, Motohisa Ono
  • PROBE INCLUDING FALSE-POSITIVE-SUPPRESSING FUNCTION, METHOD FOR DESIGNING THE SAME, AND METHOD FOR UTILIZING THE SAME
    Publication number: 20190367981
    Abstract: An object of the present invention is to provide a means for detecting or quantitatively determining short-chain nucleic acids by simple double-strand formation with high specificity. The present invention relates to a polynucleobase probe including, in a sequence complementary to a target sequence having at least one sequence of any one of SEQ ID NOs: 1 to 10, a sequence in which at least one of bases in a portion complementary to any one sequence of SEQ ID NOs: 1 to 10 in the target sequence becomes abasic and/or is substituted; a method for designing the same; and a method for utilizing the same.
    Type: Application
    Filed: February 20, 2018
    Publication date: December 5, 2019
    Applicant: Yokowo Co., Ltd.
    Inventors: Yui Niijima, Shintaro Takase, Hisashi Suzuki, Hisafumi Ikeda
  • TESTING DEVICE FOR ANTENNA-INCORPORATED SEMICONDUCTOR DEVICE
    Publication number: 20190372687
    Abstract: A testing device for testing an antenna-incorporated semiconductor device which is integrated with an antenna is provided. The testing device includes a non-contact probe configured to receive a radio wave emitted from the antenna in a state that the non-contact probe is not in contact with the antenna. The testing device may further include a movable base body configured to be lifted and lowered.
    Type: Application
    Filed: February 8, 2019
    Publication date: December 5, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Takahiro NAGATA
  • ANTENNA MOUNTING APPARATUS
    Publication number: 20190356036
    Abstract: An antenna mounting apparatus, including a bracket that holds at least a part of electronic components constituting an antenna device including an antenna element, the bracket being fixed by a bolt fixed to a frame; and a holder provided on a first surface of the bracket facing the frame, the holder temporarily fixing the bolt.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Kenji HAYAKAWA, Masayuki TAKANO
  • CONNECTOR
    Publication number: 20190348773
    Abstract: A connector for holding a linear conductor by a first contact portion and a second contact portion is provided. The linear conductor is inserted through an insertion portion. The first contact portion is formed in a pressing portion configured to be deformed elastically to press the linear conductor against the second contact portion. The second contact portion is formed in a fixed portion which is not deformed elastically and the second contact portion has at least one edge portion.
    Type: Application
    Filed: September 11, 2017
    Publication date: November 14, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Nozomu MORITA
  • Car and car antenna device
    Patent number: 10476144
    Abstract: A vehicle includes a roof panel and a vehicle antenna device. The roof panel includes a roof portion and an antenna cover portion that protrudes from the roof portion and has an internal space. The vehicle antenna device includes a base portion and an upright portion that extends from the base portion into the internal space in the antenna cover portion. An outer imaginary plane is assumed to extend along a boundary line on a boundary portion between an outer surface of the roof portion and an outer surface of the antenna cover portion. In a state where the vehicle antenna device is mounted on the vehicle, at least part of the base portion is located below the outer imaginary plane.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: November 12, 2019
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, YOKOWO CO., LTD.
    Inventors: Yuichi Mizutani, Tomohiko Yamase, Seiji Go
  • Vehicle antenna device
    Patent number: 10431880
    Abstract: A vehicle antenna device has a stably held coil element while its winding shape is maintained, and the number of turns of the coil element winding is easily adjusted during production. A coil element is configured by forming a winding around a resin-made bobbin. A guide groove, which is a path of the winding, and a plurality of projections, which are along the path of the winding, are disposed on the outer circumferential surface of the winding barrel of the bobbin. The guide groove spirally extends around the outer circumferential surface of the winding barrel. The projections are disposed in plural numbers in each of a plurality of circumferential positions on the outer circumferential surface of the winding barrel. A winding end portion of the winding is drawn out in the axial direction while being hooked to an arbitrary one of the projections, and electrically connected to an upper terminal.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 1, 2019
    Assignee: YOKOWO CO., LTD.
    Inventors: Sadao Ohno, Kengo Osawa
  • Vehicle Antenna Device
    Publication number: 20190288380
    Abstract: A vehicle antenna device has a stably held coil element while its winding shape is maintained, and the number of turns of the coil element winding is easily adjusted during production. A coil element is configured by forming a winding around a resin-made bobbin. A guide groove, which is a path of the winding, and a plurality of projections, which are along the path of the winding, are disposed on the outer circumferential surface of the winding barrel of the bobbin. The guide groove spirally extends around the outer circumferential surface of the winding barrel. The projections are disposed in plural numbers in each of a plurality of circumferential positions on the outer circumferential surface of the winding barrel. A winding end portion of the winding is drawn out in the axial direction while being hooked to an arbitrary one of the projections, and electrically connected to an upper terminal.
    Type: Application
    Filed: May 31, 2019
    Publication date: September 19, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Sadao Ohno, Kengo Osawa
  • ANTENNA DEVICE
    Publication number: 20190280372
    Abstract: An antenna device to be mounted to a vehicle roof, includes: a case unit having an accommodating space formed therein and having a radio wave permeability; and an antenna unit to be accommodated in the accommodating space, wherein the antenna unit has: a pair of capacitance loading elements facing across a plane, as a center, perpendicular to the vehicle roof at a predetermined interval and at a predetermined angle to each other; a coupling portion provided at a portion lower than an upper edge of the pair of the capacitance loading elements to conduct each of the pair of capacitance loading elements each other via each of the coupling portions; and a helical element electrically connected to the coupling portions.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 12, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Noritaka TERASHITA, Motohisa ONO, Yuki KATO
  • PATCH ANTENNA
    Publication number: 20190280386
    Abstract: A patch antenna is provided with an antenna main body including a radiating element on an upper surface of a dielectric body; and a parasitic element disposed at a predetermined distance from the radiating element. The parasitic element is a metal material having an upward convex shape as a whole and including a planar portion which is parallel to the upper surface of the radiating element and two bent portions which are inclined portions inclined from both ends of the planar portion toward the radiating element. While the parasitic element has a three-dimensional shape as a whole, the parasitic element has a planar-view area wider than a planar-view area of the radiating element in a planar view as seen from the first surface side of the dielectric body, and is provided in a position apart from the radiating element and to cover the radiating element.
    Type: Application
    Filed: February 14, 2019
    Publication date: September 12, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Kazuhiro KOWAITA, Takashi KANEKO, Bunpei HARA
  • ANTENNA DEVICE FOR VEHICLE
    Publication number: 20190273310
    Abstract: Provided is a linear polarization array antenna device for vehicle that is low-cost and has a high gain, by forming an array antenna and a transmission line by conductor patterns on a substrate. The present invention is provided with: a dipole antenna array in which a plurality of dipole antennas formed by the conductor patterns provided on a dielectric substrate are arranged; and two parallel transmission lines formed by the conductor patterns provided on the dielectric substrate, wherein power is supplied to the dipole antennas via the transmission lines. The two parallel transmission lines have a structure in which a pair of conductor patterns face each other across the dielectric substrate interposed between the pair of the conductor patterns.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 5, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Takayuki SONE
  • Antenna Device
    Publication number: 20190273311
    Abstract: An antenna device to be mounted on a vehicle, including a ground plate having a planar shape; and an antenna element which is a resonant type, is provided at a position so as not to overlap with the ground conductor within a plane substantially parallel to the ground conductor, and is configured to transmit or receive a polarized wave parallel to the ground conductor. A rectangular notch is formed in the ground plate to have both a right and left edge portions with a predetermined width being left, and the antenna element is provided at a position overlapping with the notch in a plane substantially parallel to the ground plate.
    Type: Application
    Filed: December 14, 2017
    Publication date: September 5, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Takeshi SAMPO, Kenichi YAMADA, Yuki KIKUCHI
  • ANTENNA DEVICE
    Publication number: 20190267706
    Abstract: An antenna device has a configuration in which a feeding point is located at a position that is distant from an outer periphery of a ground conductor plate to a center side and that would correspond to polarized waves parallel to the ground conductor plate. The antenna devices includes a ground conductor plate and an antenna element. The antenna element includes a first vertical portion and a second vertical portion which are erected substantially perpendicularly from the ground conductor plate and a first parallel portion, a second parallel portion, and a third parallel portion which extend substantially parallel to the ground conductor plate. An end portion, in the ?Z direction, of the first vertical portion serves as a feeding point and is located at a position that is distant from an outer periphery of the ground conductor plate to a center side.
    Type: Application
    Filed: November 8, 2017
    Publication date: August 29, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Takeshi SAMPO