Patents Assigned to Yokowo Co., Ltd.
  • CONTACT PROBE AND INSPECTION JIG
    Publication number: 20180335447
    Abstract: A contact probe includes a tube which is electrically conductive, a plunger which is electrically conductive and disposed in the tube at one end of the tube, and a spring which is disposed in the tube and urges the plunger in a projection direction. The tube includes a slant portion on an inner circumferential surface of the tube. The slant portion is inclined with respect to an axial direction of the tube. A base portion comes into contact with the slant portion and an inclination of the plunger varies, when the plunger retracts.
    Type: Application
    Filed: May 17, 2018
    Publication date: November 22, 2018
    Applicant: YOKOWO CO., LTD.
    Inventor: Tsugio YAMAMOTO
  • ANTENNA APPARATUS
    Publication number: 20180301796
    Abstract: An antenna apparatus has a sleeve antenna. The sleeve antenna has an internal conductive member, an external conductive member, an insulating member, and a mountain-shaped conductive member that is electrically connected to the external conductive member. The mountain-shaped conductive member expands radially from an upper edge towards a lower edge. The internal conductive member protrudes higher than the external conductive member above the upper edge of the mountain-shaped conductive member.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 18, 2018
    Applicant: YOKOWO CO., LTD.
    Inventors: Tomohiko YAMASE, Satoshi IWASAKI, Kazuya MATSUNAGA
  • CONTACTOR
    Publication number: 20180275167
    Abstract: Provided is a contactor that can be manufactured easily and secure a long stroke. A contactor includes: a flexible board; a plurality of contact point portions that are provided in the flexible board; a plurality of springs that urge the contact point portions respectively toward an inspection target device; and a housing that receives the plurality of springs. Each of the springs has a flat winding portion that is provided at least at an end portion of the spring on the contact point portion side, and a diagonal tight winding portion that is provided at a longitudinally intermediate portion of the spring. A gap is present between the flat winding portion and the diagonal tight winding portion in an uncompressed state of the spring.
    Type: Application
    Filed: September 6, 2016
    Publication date: September 27, 2018
    Applicant: YOKOWO CO., LTD.
    Inventor: Takahiro NAGATA
  • VEHICULAR ANTENNA DEVICE
    Publication number: 20180261912
    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: Application
    Filed: December 18, 2015
    Publication date: September 13, 2018
    Applicant: YOKOWO CO., LTD.
    Inventors: Hirotoshi MIZUNO, Masayuki GOTO, Yusuke YOKOTA
  • Socket
    Patent number: 10067161
    Abstract: A socket includes: a plurality of contact probes; a pin block which is configured to support the plurality of contact probes; and a retainer which is configured to support the plurality of contact probes. The pin block and the retainer are stacked and fixed to each other. The retainer is engaged with the pin block by concavo-convex engagement.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: September 4, 2018
    Assignee: Yokowo Co., Ltd.
    Inventors: Yuji Harada, Daisuke Hosokawa
  • Contact unit and inspection jig
    Patent number: 10024883
    Abstract: A block has a planar portion abutting a back side of a contact region of a flexible substrate, and a recess that is concave with respect to the planar portion. An electronic component mounted on the flexible substrate is located within the recess. When viewed from a direction perpendicular to the planar portion, the recess is located at a position near a power supply bump, except at a position overlapping the power supply bump, or the recess is filled with a filler. The planar portion of the block abuts only the back side of the power supply bump.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: July 17, 2018
    Assignees: Yokowo Co., Ltd., Murata Manufacturing Co., Ltd.
    Inventors: Takahiro Nagata, Takeshi Todoroki, Takahiro Nakamura, Yoshinori Ishikawa, Takayuki Kawano, Kazuhisa Honma
  • Antenna device
    Patent number: 9954274
    Abstract: An antenna device includes: a case; a board which is encased in the case and receives a signal from an antenna element; and a base for which closes a bottom face of the case. The base is integrally provided with a metal fastening member, and includes a sheet metal part for conducting earth connection between an earth electrode of the board and a vehicle panel, and the sheet metal part is surrounded with resin to be integrally molded therewith.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: April 24, 2018
    Assignee: Yokowo Co., Ltd.
    Inventors: Noriyoshi Nakada, Masashi Noda
  • CAR AND CAR ANTENNA DEVICE
    Publication number: 20180053992
    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: Application
    Filed: February 23, 2016
    Publication date: February 22, 2018
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, YOKOWO CO., LTD.
    Inventors: Yuichi MIZUTANI, Tomohiko YAMASE, Seiji GO
  • WATERPROOF CONNECTOR
    Publication number: 20180034173
    Abstract: To simplify an assembling process and reduce a height while keeping a reliable waterproof structure by improving structures of a housing and an elastic body. Provided are an insulative housing 31, an insulative elastic body 40 which is held by the housing 31, and terminal pins 50 which penetrate through the elastic body 40 and are held by the housing 31. The insulative elastic body 40 has an outside elastic portion 41 and inside elastic portions 42 into which the insulative elastic body 40 is partitioned by the housing 31 and link portions 45 which link the outside elastic portion 41 to the inside elastic portions 42. The housing 31 is provided with wall portions 35 with which the inside elastic portions 42 through which the respective terminal pins 50 penetrate are in contact in a compressed state.
    Type: Application
    Filed: February 17, 2016
    Publication date: February 1, 2018
    Applicant: YOKOWO CO., LTD.
    Inventors: Katsuo MIKI, Shingo ORIKASA
  • Microstrip antenna
    Patent number: 9799958
    Abstract: A microstrip antenna has two feed points. The microstrip antenna includes a feeder circuit which is configured to feed, to the two feed points, electric signals whose phases are different by 90° from each other. The feeder circuit includes a Wilkinson coupler unit and a phase-shift unit each of which is formed as a lumped constant circuit.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: October 24, 2017
    Assignee: YOKOWO CO., LTD.
    Inventors: Takeshi Sampo, Kazuhiro Kowaita
  • Antenna unit
    Patent number: 9799951
    Abstract: An antenna unit includes a base having a base-side fitting portion, antenna elements disposed on the base, an inner case fixed to the base and covering the antenna elements, and an outer case mounted on the base covering the inner case. The outer case 50 has an outer-case-side fitting portion fitted to the base-side fitting portion.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: October 24, 2017
    Assignee: Yokowo Co., Ltd.
    Inventors: Takuma Sawaya, Tokumitsu Hanita, Seiji Go, Atsushi Ubukata
  • SOCKET
    Publication number: 20170248630
    Abstract: A socket includes: a contact probe; and an insulating support body supporting the contact probe. The contact probe includes: a first plunger to be connected with an object to be inspected; a second plunger to be connected with an inspecting board; and a spring configured to urge the first plunger and the second plunger in a direction apart from each other. In a state where a tip end of the first plunger is released, a projecting amount of the second plunger from the insulating support body is zero with a natural length of the spring.
    Type: Application
    Filed: February 24, 2017
    Publication date: August 31, 2017
    Applicant: YOKOWO CO., LTD.
    Inventors: Tsugio YAMAMOTO, Kenichi SATO, Takayoshi OKUNO
  • Composite Antenna and Method of Producing the Same
    Publication number: 20170237167
    Abstract: A composite antenna includes: a coil element which is formed into a spiral shape, and which has a trap coil portion in a base end portion; a tubular conductive element which is electrically series-connected to a base end of the coil element; and a connection metal fitting which is electrically connected to a base end of the conductive element. A series connection of the coil element and the tubular conductive element operates in a first frequency band, and the tubular conductive element alone operates in a second frequency band which is higher than the first frequency band.
    Type: Application
    Filed: July 13, 2015
    Publication date: August 17, 2017
    Applicant: YOKOWO CO., LTD.
    Inventors: Sadao OHNO, Kengo OSAWA, Takashi NOZAKI, Kenichi TANAKA
  • Vehicle Antenna Device
    Publication number: 20170214112
    Abstract: A vehicle antenna device includes: an antenna base; an antenna case which is overlaid on the antenna base; and an antenna element and an amplifier board which are disposed inside the antenna case. The antenna base has: a resin-made base which has an opening; and a metal-made base which is smaller in area than the resin-made base, the metal-made base being disposed on the resin-made base so as to close the opening, and having a cylindrical portion for attachment to a vehicle body. A conductor plate is attached to a surface of the resin-made base, the surface being opposite to a placement surface of the metal-made base.
    Type: Application
    Filed: June 5, 2015
    Publication date: July 27, 2017
    Applicant: YOKOWO CO., LTD.
    Inventors: Sadao OHNO, Kenji HAYAKAWA, Takayuki SONE
  • Vehicle Antenna Device
    Publication number: 20170214129
    Abstract: A vehicle antenna device includes: an antenna base; an antenna case which is overlaid on the antenna base; and an antenna element and an amplifier board which are disposed inside the antenna case. The antenna element has a capacitive element and a coil element, and a filter board is disposed between the capacitive element and the coil element.
    Type: Application
    Filed: May 20, 2015
    Publication date: July 27, 2017
    Applicant: YOKOWO CO., LTD.
    Inventors: Sadao OHNO, Kengo OSAWA
  • Vehicle Antenna Device
    Publication number: 20170207520
    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: April 10, 2015
    Publication date: July 20, 2017
    Applicant: YOKOWO CO., LTD.
    Inventors: Sadao OHNO, Kengo OSAWA
  • Antenna device
    Patent number: 9698476
    Abstract: An antenna device includes: a case; a board which is encased in the case and receives a signal from an antenna element; and a base for which closes a bottom face of the case. The base is integrally provided with a metal fastening member, and includes a sheet metal part for conducting earth connection between an earth electrode of the board and a vehicle panel, and the sheet metal part is surrounded with resin to be integrally molded therewith.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: July 4, 2017
    Assignee: Yokowo Co., Ltd.
    Inventors: Noriyoshi Nakada, Masashi Noda
  • ANTENNA DEVICE
    Publication number: 20170179584
    Abstract: Provided is an antenna device capable of simplifying a structure while preventing degradation of antenna performance even with an upright type double-case structure. An antenna device having a double-case structure includes an inner case inside of which a housing space is formed so as to house a coil element and the like therein, the inner case being covered with an outer case. An antenna element is provided between an outer surface of the inner case and an inner surface of the outer case. The antenna element is electrically connected to the coil element provided in the housing space while keeping water-tightness of the housing space.
    Type: Application
    Filed: January 20, 2015
    Publication date: June 22, 2017
    Applicant: YOKOWO CO., LTD.
    Inventors: Noriyoshi NAKADA, Atsushi UBUKATA
  • ANTENNA DEVICE AND METHOD FOR MANUFACTURING SAME
    Publication number: 20170104275
    Abstract: Provided is an antenna device having a structure that suppresses deterioration in performance as a profile becomes lower. Four FM band antenna elements and two AM band antenna elements are arranged side by side on an antenna base. Further, a circuit board including synthesis circuits in one-to-one correspondence with the antenna elements, respectively, is arranged in an inner space of the antenna elements. In order that omnidirectionality may be exhibited in a horizontal plane, each of the antenna elements includes a helically wound linear conductor, and a planar conductor that is electrically connected to the linear conductor at a part substantially the farthest from a ground plane (antenna base.
    Type: Application
    Filed: February 20, 2015
    Publication date: April 13, 2017
    Applicant: YOKOWO CO., LTD.
    Inventors: Wasuke YANAGISAWA, Hirotoshi MIZUNO, Yasushi SHIRAKATA, Yoshio AOKI
  • CONTACT UNIT AND INSPECTION JIG
    Publication number: 20170074902
    Abstract: A contact unit which is to be detachably attached to a body of an inspection jig, includes: a flexible board which is provided with a contact part to be in contact with an object to be inspected, on one face thereof; a support member which is configured to support the flexible board; and a block which is provided on a side of the other face of the flexible board. A first ground pattern is provided on the one face of the flexible board, a signal pattern is provided on the other face of the flexible board, a through hole for electrically connecting the signal pattern to the contact part is formed in the flexible board, and the first ground pattern covers the signal pattern with the flexible board interposed between the first ground pattern and the signal pattern.
    Type: Application
    Filed: September 14, 2016
    Publication date: March 16, 2017
    Applicant: YOKOWO CO., LTD.
    Inventor: Takahiro NAGATA