Patents Assigned to Yokowo Co., Ltd.
  • ANTENNA DEVICE
    Publication number: 20200350688
    Abstract: A novel small-sized low profile antenna device that replaces a monopole antenna is provided. The antenna device is attached to a vehicle, the vehicle has an attachment surface, and the antenna device includes plural metal surfaces provided on a plane generally orthogonal to the attachment surface, the plural metal surfaces being formed at different angles from each other. A section of the antenna device opposed to the attachment surface is open, and each of the metal surfaces is formed with at least either one of a slot antenna and a slit antenna for a vertically polarized wave.
    Type: Application
    Filed: February 13, 2019
    Publication date: November 5, 2020
    Applicant: YOKOWO CO., LTD.
    Inventors: Tomio AMBE, Atsushi EIKA
  • INSPECTION DEVICE
    Publication number: 20200300889
    Abstract: A first signal line pattern has one end electrically connected to a first connector. A second signal line pattern has one end electrically connected to a second connector. The second signal line pattern has the other end facing the other end of the first signal line pattern. A conductive block has a convex portion. The convex portion of the conductive block is electrically connected to a third portion of the conductive pattern positioned between the other end of the first signal line pattern and the other end of the second signal line pattern of the wiring board.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 24, 2020
    Applicant: YOKOWO CO., LTD.
    Inventors: Masaki NOGUCHI, Takahiro NAGATA, Tsuyoshi YAMATO
  • OPTICAL MODULE
    Publication number: 20200292764
    Abstract: This optical module comprises a stem; lead pins extending through the stem; glasses filled between the stem and the lead pins; elements (photodiode, amplifier) disposed on a first main surface of the stem, and connected to the lead pins; FPC in contact with a second main surface of the stem; a cap attachable to the stem; and an aligning-fixing parts (metal-made flange, Z-sleeve) that aligns an optical fiber stub with the cap and fix the optical fiber stub to the cap.
    Type: Application
    Filed: July 11, 2017
    Publication date: September 17, 2020
    Applicant: Yokowo Co., Ltd.
    Inventors: Hideki KAMITSUNA, Akira OHKI
  • PATCH ANTENNA AND ANTENNA DEVICE FOR VEHICLE
    Publication number: 20200295444
    Abstract: A patch antenna includes a flat-plate radiating element; and a metal wall provided outside a peripheral edge of the radiating element, such that a wall surface of the metal wall intersects a line connecting a center of the radiating element and a feeding point. An antenna device for a vehicle includes: the patch antenna; a housing installed in a predetermined orientation at a predetermined position of the vehicle; and a support supporting the patch antenna such that the patch antenna is used for vertically polarized waves when the housing is installed in the predetermined orientation at the predetermined position.
    Type: Application
    Filed: August 1, 2018
    Publication date: September 17, 2020
    Applicant: YOKOWO CO., LTD.
    Inventor: Takeshi SAMPO
  • TRANSMISSION/RECEPTION DEVICE, MOBILE TERMINAL, AND COMMUNICATION PROGRAM
    Publication number: 20200296546
    Abstract: There is provided a transmission/reception device that suppresses communication in a situation with low necessity. The transmission/reception device 1 includes a first antenna 11 for performing first communication, a control unit, and a recording unit 39 in which related information of a mobile terminal is registered. The transmission/reception device is mounted in a vehicle. The control unit 33 performs a control to suppress the first communication for the mobile terminal when determining that the mobile terminal is located in an interior of the vehicle based on at least one of a communication result of the first communication and a communication result of second communication with the mobile terminal in which the related information is registered in the recording unit 39.
    Type: Application
    Filed: August 28, 2018
    Publication date: September 17, 2020
    Applicant: YOKOWO CO., LTD.
    Inventor: Tetsuji SAWAI
  • Antenna device for vehicle
    Patent number: 10749267
    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: Grant
    Filed: June 8, 2017
    Date of Patent: August 18, 2020
    Assignee: YOKOWO CO., LTD.
    Inventor: Takayuki Sone
  • HIGH-FREQUENCY MODULE
    Publication number: 20200256946
    Abstract: A high-frequency module with a simple configuration and facilitates size reduction and mass production is provided. An oscillator that includes a bipolar transistor, an antenna, and mixers are realized as one circuit. A base of the bipolar transistor is electrically connected to a resonance pattern or the like that outputs a signal at a frequency in a quasi-millimeter wave band or higher by direct oscillation. A collector is electrically connected to a transmission line or the like which is connected to a power source. An emitter is electrically connected to a planar open transmission line or the like that operates as an antenna. A portion of the signal transmitted through the open transmission line is fed back to the base via a capacitance between the open transmission line and the base. The open transmission line is electrically connected to two diodes and each of which operates as a mixer.
    Type: Application
    Filed: August 6, 2018
    Publication date: August 13, 2020
    Applicant: YOKOWO CO., LTD.
    Inventor: Kenichi MITSUGI
  • ANTENNA DEVICE
    Publication number: 20200251810
    Abstract: An antenna device includes: an antenna element for vertically polarized waves, having a first straight line portion of which one end serves as a power feeding point, and an annular portion of which one end is connected to another end of the first straight line portion; and a first dielectric cover covering the antenna element from outside. An antenna device includes: an antenna element for vertically polarized waves, having a first straight line portion of which one end serves as a power feeding point, and an annular portion of which one end is connected to another end of the first straight line portion; and a second dielectric cover covering the first straight line portion and the annular portion from outside.
    Type: Application
    Filed: October 2, 2018
    Publication date: August 6, 2020
    Applicant: YOKOWO CO., LTD.
    Inventors: Satoshi IWASAKI, Kazuya MATSUNAGA, Tomohiko YAMASE
  • Inspection jig
    Patent number: 10712383
    Abstract: An inspection jig includes a rigid substrate, a flexible substrate connected to the rigid substrate, a support supporting a part of the flexible substrate in a state that the part of the flexible substrate is protruded with respect to the rigid substrate in a first direction, a biasing unit configured to bias the support in the first direction with respect to the rigid substrate, and a contactor provided on a protruding portion of the flexible substrate, the protruding portion being protruded with respect to the rigid substrate. The contactor includes a contact housing, and a probe supported on the contact housing. One end of the probe is in contact with a contact portion on the protruding portion.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: July 14, 2020
    Assignee: YOKOWO CO., LTD.
    Inventor: Takahiro Nagata
  • Testing device for antenna-incorporated semiconductor device
    Patent number: 10715262
    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: Grant
    Filed: February 8, 2019
    Date of Patent: July 14, 2020
    Assignee: YOKOWO CO., LTD.
    Inventor: Takahiro Nagata
  • Vehicle antenna device
    Patent number: 10680317
    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: May 31, 2019
    Date of Patent: June 9, 2020
    Assignee: YOKOWO CO., LTD.
    Inventors: Sadao Ohno, Kengo Osawa
  • INSPECTION JIG
    Publication number: 20200174039
    Abstract: An inspection jig includes a flexible substrate, a block, a pressing member, and a first pin fixed to the pressing member. The block has a first positioning hole opened in a substantially center portion of an opposite surface of a main surface thereof. The first pin is inserted into the first positioning hole. A large diameter portion and a small diameter portion are provided in an inner peripheral side of the first positioning hole. A diameter of the large diameter portion is smaller than a diameter of the large diameter portion. The large diameter portion is formed so as not to contact the first pin when the block is not inclined. The block is configured to be inclined with the first pin as a fulcrum.
    Type: Application
    Filed: July 2, 2018
    Publication date: June 4, 2020
    Applicant: YOKOWO CO., LTD.
    Inventor: Takashi UEDA
  • ANTENNA DEVICE AND VEHICLE
    Publication number: 20200168982
    Abstract: An antenna device 1 is an antenna device 1 to be mounted on a vehicle including an inner panel 17 that is provided with a mounting hole, and a roof 16 in which a region facing the inner panel 17 on an upper side of the inner panel 17 is upraised to an upper side. The antenna device 1 includes a base 12 and a fixing portion (13, 14, and 15) that fixes the base 12 to the inner panel 17. At least a part of the antenna device 1 is contained in a space 16b formed between a region 16a of the roof 16 that is upraised and the inner panel 17, and there are a plurality of portions in which the base 12 and the inner panel 17 are fixed by the fixing portion.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Applicant: YOKOWO CO., LTD.
    Inventors: Takuya ASUMA, Masashi NODA, Noriyoshi NAKADA
  • PATCH ANTENNA AND ANTENNA DEVICE
    Publication number: 20200127381
    Abstract: A patch antenna includes a patch element and a ground conductor facing the patch element. The patch element is convex toward a side opposite to a side facing the ground conductor. Preferably, the patch element is convex while centering around at least one center line. Here, end portions on both sides of the patch element are positioned across the center line to face each other, and surfaces parallel to a direction toward the ground conductor from the respective end portions on the both sides at the shortest distance intersect or become a same surface.
    Type: Application
    Filed: September 21, 2018
    Publication date: April 23, 2020
    Applicant: YOKOWO CO., LTD.
    Inventor: Takayuki SONE
  • Inspection jig
    Patent number: 10598694
    Abstract: The inspection jig includes a rigid substrate, a flexible substrate connected to the rigid substrate, a contactor block for supporting a part of the flexible substrate in a state that the part of the flexible substrate is protruded with respect to the rigid substrate, a contactor provided on a protruding portion of the flexible substrate, and a spring probe supported by the contactor block, one end of which is in contact with a contact pad provided on a lower surface of the rigid substrate, and the other end of which protrudes from a protruding portion of the flexible substrate.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: March 24, 2020
    Assignee: YOKOWO CO., LTD.
    Inventor: Takahiro Nagata
  • Vehicular antenna device
    Patent number: 10601123
    Abstract: A vehicular antenna device capable of preventing reception trouble in a radio, a TV receiver, or the like due to noise by suppressing electromagnetic noise radiated from an electronic device or the like is provided. A vehicular antenna device is equipped with an antenna base 2 which is fixed to a vehicle body via an attaching member, an antenna case which covers the antenna base, and an antenna element 5 and a camera module 10 as an electronic device which are disposed in an internal space surrounded by the antenna base 2 and the antenna case. A camera module case 40 surrounds a circuit board 50 of the camera module 10 and thereby shields it.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: March 24, 2020
    Assignee: YOKOWO CO., LTD.
    Inventors: Hirotoshi Mizuno, Masayuki Goto, Yusuke Yokota
  • ANTENNA DEVICE FOR VEHICLE
    Publication number: 20200091615
    Abstract: An antenna device for a vehicle includes: an antenna base to be attached to the vehicle; a first antenna for a first frequency band provided on the antenna base; and a second antenna for a second frequency band provided on the antenna base, in which the first frequency band and the second frequency band are different from each other, and the second antenna serves as a reflector of the first antenna in the first frequency band of the first antenna.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 19, 2020
    Applicant: YOKOWO CO., LTD.
    Inventors: Takayuki Sone, Satoshi Iwasaki, Kazuya Matsunaga
  • Contact probe and inspection jig
    Patent number: 10585117
    Abstract: A contact probe includes a first plunger, a second plunger, and a coil spring. The coil spring is disposed outside the first plunger, and urges the first plunger and the second plunger in a direction away from each other. The first plunger and the second plunger are fitted to each other so as to be slidable with respect to each other. The first plunger includes a large diameter part, and a small diameter part provided on a proximal end side of the large diameter part. The small diameter part is fitted into the second plunger. The coil spring includes a close winding part on a side of the second plunger. Adjacent lines of the close winding parts are brought into close contact with each other and come into electrical contact with each other at least in a compressed state of the coil spring.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: March 10, 2020
    Assignee: YOKOWO CO., LTD.
    Inventor: Tsugio Yamamoto
  • ANTENNA DEVICE
    Publication number: 20200067181
    Abstract: An antenna device includes an antenna board in which a conductor pattern is provided on each of both surfaces of a dielectric substrate. A linear element is provided on a first surface of the dielectric substrate. A slit antenna is provided on a second surface of the dielectric substrate opposite to the first surface. When the first surface and the second surface are superimposed on each other, the linear element and a slit of the slit antenna overlap with each other.
    Type: Application
    Filed: July 27, 2018
    Publication date: February 27, 2020
    Applicant: YOKOWO CO., LTD.
    Inventor: Masato TANAKA
  • ANTENNA DEVICE FOR VEHICLE
    Publication number: 20200067180
    Abstract: An antenna device for a vehicle includes an antenna board in which a colinear array antenna is constructed by a conductor pattern provided on each of both surfaces of a dielectric substrate. The colinear array antenna includes a first straight portion, a second straight portion, a first connection portion one end of which is connected to the first straight portion, and a second connection portion one end of which is electrically connected to the first connection portion and another end of which is connected to the second straight portion. The first straight portion and the first connection portion are provided on a first surface of the dielectric substrate. The second straight portion and the second connection portion are provided on a second surface of the dielectric substrate opposite to the first surface.
    Type: Application
    Filed: August 3, 2018
    Publication date: February 27, 2020
    Applicant: YOKOWO CO., LTD.
    Inventors: Hirotoshi MIZUNO, Takayuki SONE