Patents Assigned to Yokowo Co., Ltd.
  • Exchangeable contact unit and inspection jig
    Patent number: 10393771
    Abstract: An exchangeable contact unit which can be attached to or detached from a main body of an inspection jig, includes: a flexible board which is provided with a contact part with respect to an object to be inspected; and a coaxial connector which is directly and electrically connected to the flexible board.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: August 27, 2019
    Assignee: YOKOWO CO., LTD.
    Inventors: Takahiro Nagata, Takeshi Todoroki, Takahiro Nakamura
  • Antenna device
    Patent number: 10389031
    Abstract: An antenna device includes a first plate-shaped metal plate and a second plate-shaped metal plate configuring a bow-tie antenna. The first plate-shaped metal plate and the second plate-shaped metal plate extend upwardly and downwardly from a feeding point, respectively. The feeding point is located at a position offset in a positive x direction from an x-direction center position of the first plate-shaped metal plate. A magnetic core is mounted on a feeder line that is a coaxial cable. The magnetic core is accommodated between a negative x-direction side end portion of the first plate-shaped metal plate and the feeding point, in the x direction.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 20, 2019
    Assignees: YOKOWO CO., LTD., HONDA MOTOR CO., LTD.
    Inventors: Takeshi Sanpo, Mutsumi Katayama, Yasuhiro Konno
  • Vehicle antenna device
    Patent number: 10355335
    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: Grant
    Filed: June 5, 2015
    Date of Patent: July 16, 2019
    Assignee: Yokowo Co., Ltd.
    Inventors: Sadao Ohno, Kenji Hayakawa, Takayuki Sone
  • ANTENNA DEVICE
    Publication number: 20190190136
    Abstract: The antenna device includes: a broadband antenna based on a bow-tie antenna including a first plate-like metal and a second plate-like metal which extend in opposite directions to each other with respect to a feeding point; and a patch antenna provided on a second portion which is bent substantially at a right angle from a first portion of the first plate-like metal which lies near the feeding point. The second portion performs as a ground plate of the patch antenna. A portion including the patch antenna is accommodated in a radome.
    Type: Application
    Filed: June 16, 2017
    Publication date: June 20, 2019
    Applicant: Yokowo Co., Ltd.
    Inventor: Takayuki SONE
  • INSPECTION JIG
    Publication number: 20190187205
    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: Application
    Filed: November 28, 2018
    Publication date: June 20, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Takahiro NAGATA
  • INSPECTION JIG
    Publication number: 20190187181
    Abstract: The inspection jig includes a rigid substrate, a flexible substrate connected to the rigid substrate, a support 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, and a stretchable contactor provided on a protruding portion of the flexible substrate.
    Type: Application
    Filed: September 27, 2018
    Publication date: June 20, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Takahiro NAGATA
  • INSPECTION JIG
    Publication number: 20190187178
    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: Application
    Filed: October 30, 2018
    Publication date: June 20, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Takahiro NAGATA
  • Probe cover
    Patent number: 10324110
    Abstract: A probe cover which is to be attached to a socket that is configured to support a plurality of contact probes, includes: a base; two positioning pins which are disposed on the base; and at least one supporting member which is disposed on the base. The two positioning pins and the supporting member are capable of positioning the base in a state where the base is separated from the socket by a predetermined distance, and a mutual separation distance between the two positioning pins is changeable.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: June 18, 2019
    Assignee: Yokowo Co., Ltd.
    Inventors: Takahiro Nagata, Yoshiji Miyashita, Katsuo Miki, Kazumi Ookawara, Isao Samata
  • Contactor with a plurality of springs and contact point portions urged by the springs
    Patent number: 10317430
    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: Grant
    Filed: September 6, 2016
    Date of Patent: June 11, 2019
    Assignee: Yokowo Co., Ltd.
    Inventor: Takahiro Nagata
  • Composite antenna and method of producing the same
    Patent number: 10283863
    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: Grant
    Filed: July 13, 2015
    Date of Patent: May 7, 2019
    Assignee: YOKOWO CO., LTD.
    Inventors: Sadao Ohno, Kengo Osawa, Takashi Nozaki, Kenichi Tanaka
  • Vehicle antenna device
    Patent number: 10276927
    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: Grant
    Filed: May 20, 2015
    Date of Patent: April 30, 2019
    Assignee: YOKOWO CO., LTD.
    Inventors: Sadao Ohno, Kengo Osawa
  • SPRING CONNECTOR
    Publication number: 20190109397
    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: Application
    Filed: August 29, 2018
    Publication date: April 11, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Kenta SUGIURA, Yoshihiro TANAI
  • SPRING CONNECTOR
    Publication number: 20190067859
    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: Application
    Filed: February 10, 2017
    Publication date: February 28, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Kenta SUGIURA
  • Antenna device and method for manufacturing same
    Patent number: 10211542
    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: Grant
    Filed: February 20, 2015
    Date of Patent: February 19, 2019
    Assignee: YOKOWO CO., LTD.
    Inventors: Wasuke Yanagisawa, Hirotoshi Mizuno, Yasushi Shirakata, Yoshio Aoki
  • ANTENNA DEVICE
    Publication number: 20190036198
    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: Application
    Filed: December 18, 2015
    Publication date: January 31, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Hirotoshi MIZUNO, Kentaro HAYASHI, Masayuki GOTO
  • ANTENNA DEVICE
    Publication number: 20190027819
    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: January 23, 2017
    Publication date: January 24, 2019
    Applicant: YOKOWO CO., LTD.
    Inventors: Noritaka TERASHITA, Motohisa ONO
  • CONTACT PROBE AND INSPECTION JIG
    Publication number: 20190004090
    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 pail, 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: Application
    Filed: June 19, 2018
    Publication date: January 3, 2019
    Applicant: YOKOWO CO., LTD.
    Inventor: Tsugio YAMAMOTO
  • Inspection unit
    Patent number: 10161964
    Abstract: An inspection unit includes: a metal block having at least a through hole; a ground bush disposed in the through hole, and being an electrically conductive body including: a cylindrical body part; and a projected part which is projected sideward from an outer face of the body part, and which is in contact with an area around an opening of the through hole in the metal block; and a contact probe for ground passing through an interior of the ground bush.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: December 25, 2018
    Assignee: Yokowo Co., Ltd.
    Inventor: Masataka Miyagawa
  • Antenna device
    Patent number: 10164327
    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: Grant
    Filed: January 20, 2015
    Date of Patent: December 25, 2018
    Assignee: YOKOWO CO., LTD.
    Inventors: Noriyoshi Nakada, Atsushi Ubukata
  • Waterproof connector
    Patent number: 10164353
    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: Grant
    Filed: February 17, 2016
    Date of Patent: December 25, 2018
    Assignee: Yokowo Co., Ltd.
    Inventors: Katsuo Miki, Shingo Orikasa