Patents Assigned to Yokowo Co., Ltd.
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Publication number: 20230094901Abstract: A planar antenna formed on a front surface of a substrate whose back surface serves as a ground surface, the planar antenna includes: a radiating element; a feeding line connected with the radiating element; a first ground element and a second ground element which are respectively electrically connected to the ground surface and are arranged to be opposed to each other across the feeding line; a first parasitic element extending from the first ground element to surround at least a part of the radiating element; and a second parasitic element extending from the second ground element to surround at least a part of the radiating element from an opposite direction from the first parasitic element, wherein the first ground element and the second ground element serve as impedance matching devices for the feeding line.Type: ApplicationFiled: January 21, 2021Publication date: March 30, 2023Applicant: YOKOWO CO., LTD.Inventor: Kenichi MITSUGI
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Patent number: 11616292Abstract: An antenna (100) includes a ground plate (110) and a radiating element (130) that has a shape expanding in a predetermined expansion direction and a self-similar shape with respect to an end portion (135) connected to a feeding line (151) that is a feeding portion. The radiating element (130) is arranged in a standing state relative to the end portion (135) so as to face the end portion (135) toward the ground plate (110). In addition, the radiating element (130) has a first radiating element portion (131) and a second radiating element portion (133) that are plane-symmetric to each other across a predetermined virtual symmetric plane (A1) along the expansion direction, and thereby forms a shape expanded in the expansion direction.Type: GrantFiled: October 9, 2019Date of Patent: March 28, 2023Assignee: YOKOWO CO., LTD.Inventor: Bunpei Hara
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Publication number: 20230078552Abstract: Electronic equipment, or the like, capable of achieving stable connection are provided. First electronic equipment 10 is electronic equipment of a device for vehicle 1. The first electronic equipment 10 includes a first connector 21 for electrically connecting second electronic equipment 50 of the device for vehicle, a first substrate 17 on which the first connector 21 is mounted, and a base 19. The first substrate 17 is fixed to the base 19 in a state where a positional relationship between the first substrate 17 or the first connector 21 and the base 19 varies according to a positional relationship between the first connector 21 and the first substrate 17.Type: ApplicationFiled: July 20, 2020Publication date: March 16, 2023Applicant: YOKOWO CO., LTD.Inventors: Tomio AMBE, Ryota TAMAI
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Publication number: 20230083957Abstract: A spring connector includes: an insulating housing having a through hole; a conductor disposed on one end side of the through hole; and a conductive external contact pin disposed on another end side of the through hole. The housing has an opening portion on the other end side of the through hole. A part of the through hole and a part of the conductor form an internal space. The external contact pin includes a tip end portion configured to protrude from the opening portion and a main body portion positioned in the through hole. The external contact pin and the conductor are configured to be switched between a non-conductive state and a conductive state by moving the tip end portion of the external contact pin in a backward direction opposite to a protruding direction in which the tip end portion protrudes from the opening portion.Type: ApplicationFiled: January 21, 2021Publication date: March 16, 2023Applicant: YOKOWO CO., LTD.Inventors: Fumikazu KOBAYASHI, Nozomu MORITA
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Publication number: 20230077546Abstract: A vehicular antenna device (10) includes an antenna base (100) and a first antenna portion (a first satellite antenna (210) or a second satellite antenna (220)). The antenna base (100) has a longitudinal direction. The first antenna portion is provided over the antenna base (100). The satellite antennas are disposed offset in a direction intersecting a virtual plane parallel or substantially parallel with the longitudinal direction.Type: ApplicationFiled: February 25, 2021Publication date: March 16, 2023Applicant: YOKOWO CO., LTD.Inventors: Motohisa ONO, Satoshi IWASAKI, Noritaka TERASHITA
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Patent number: 11600909Abstract: 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: GrantFiled: September 30, 2019Date of Patent: March 7, 2023Assignee: YOKOWO CO., LTD.Inventors: Noritaka Terashita, Yusuke Yokota, Kazuya Fujimaki
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Publication number: 20230066694Abstract: An antenna element (200) includes a first element (210) having a first feed portion, and a first element section (210a) and a second element section (210b) at opposite sides of the first feed portion, and a second element (220) having a second feed portion and, a third element section (220a) and a fourth element section (220b) at opposite sides of the second feed portion, at least a part of the first element (210) and at least a part of the second element (220) face each other, and one of the first element section (210a) and the second element section (210b) is arranged at an angle with respect to the other of the first element section (210a) and the second element section (210b) .Type: ApplicationFiled: January 7, 2021Publication date: March 2, 2023Applicant: YOKOWO CO., LTD.Inventors: Kazuhiro KOWAITA, Hiroto IEDA
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Publication number: 20230050000Abstract: An inspection socket includes: a pin block that is configured to support a contact probe in a manner of exposing a tip end of the contact probe from an exposed surface and inclining the contact probe in a predetermined direction relative to a direction perpendicular to the exposed surface; and a pressing portion that is configured to press an inspection target IC package that is to come into contact with the contact probe.Type: ApplicationFiled: December 16, 2020Publication date: February 16, 2023Applicant: YOKOWO CO., LTD.Inventors: Takayoshi OKUNO, Kouji USUDA
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Patent number: 11581659Abstract: 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: GrantFiled: February 1, 2021Date of Patent: February 14, 2023Assignee: YOKOWO CO., LTD.Inventors: Takeshi Sampo, Takayuki Sone
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Publication number: 20230039233Abstract: An optical connector mechanism includes an abutting portion that applies a pressing force so as to cause an end surface of a first optical transmission and reception path and an end surface of a second optical transmission and reception path to abut against each other, a first case that houses the first optical transmission and reception path, a second case that houses the second optical transmission and reception path, a sleeve case slidably attached to the first case, an elastic bar member including one end portion fixed to the first case and another end portion to be inserted into the second case, an engagement portion that engages the other end portion of the elastic bar member with the second case, and an engagement releasing portion that presses the elastic bar member so as to release the engagement performed by the engagement portion when the sleeve case slides.Type: ApplicationFiled: December 14, 2020Publication date: February 9, 2023Applicant: YOKOWO CO., LTD.Inventor: Akihiro YODOGAWA
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Publication number: 20230032648Abstract: An antenna device includes an antenna housing and an antenna element. The antenna element is accommodated in the antenna housing and receives signals in a first frequency band and a second frequency band which is lower than the first frequency band. The antenna element includes a first element that receives signals in the first frequency band and a second element that surrounds the first element and receives signals in the second frequency band. The first element includes a conductive plate which has a predetermined area, the second element includes a conductive plate which has a predetermined area, and the conductive plates are provided in an identical plane or a substantially identical plane.Type: ApplicationFiled: October 10, 2022Publication date: February 2, 2023Applicant: YOKOWO CO., LTD.Inventors: Hirotoshi MIZUNO, Yusuke YOKOTA
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Publication number: 20230018510Abstract: A socket includes a pin block on which a plurality of contact probes are installed, a pin plate configured to hold the plurality of contact probes together with the pin block, and an engagement portion configured to engage the pin block and the pin plate with each other. The engagement portion is configured to detachably engage the pin block and the pin plate with each other.Type: ApplicationFiled: November 2, 2020Publication date: January 19, 2023Applicant: YOKOWO CO., LTD.Inventors: Kohei AMADA, Yuki MATSUI, Yoshinori SHIRAI, Suguru MATSUI
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Publication number: 20220416462Abstract: A spring connector includes: a conductive tube; a movable pin that has a tip end portion protruding from an opening of the tube along an axial direction of the tube; a movable body that is provided inside the tube and that has one end portion in contact with a rear end portion of the movable pin; and a spring that is provided inside the tube and that is configured to urge another end portion of the movable body in a direction in which the movable pin protrudes. The other end portion of the movable body is an inclined surface inclined with respect to the axial direction, and at least one of the one end portion of the movable body and the rear end portion of the movable pin includes a convex portion.Type: ApplicationFiled: November 11, 2020Publication date: December 29, 2022Applicant: YOKOWO CO., LTD.Inventor: Masashi HIRANO
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Publication number: 20220416408Abstract: An antenna device for vehicle that is attached to a vehicle, the antenna device for vehicle including: a resin base; a metal base arranged on the resin base; a metal plate whose portion is attached to the metal base so as to be superimposed on a portion of the metal base; a substrate arranged on the metal base; an antenna connected to the substrate; and a fixing portion which fixes the metal base and the substrate, wherein the fixing portion is positioned at a top-view superimposed area of the metal base and the metal plate.Type: ApplicationFiled: August 24, 2022Publication date: December 29, 2022Applicant: YOKOWO CO., LTD.Inventors: Noritaka TERASHITA, Yusuke YOKOTA, Takashi KANEKO
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Publication number: 20220413014Abstract: A jig (30) includes a first block portion (100) at which a probe head (300) is installed, and a first suction port (112) formed on the first block portion (100). Air present on a side where one end of a probe (330) provided in the probe head (300) is located is sucked from the first suction port (112).Type: ApplicationFiled: September 7, 2020Publication date: December 29, 2022Applicant: YOKOWO CO., LTD.Inventors: Daisuke HOSOKAWA, Shunsuke KOBAYASHI, Ken KAWAMURA
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Publication number: 20220416429Abstract: An antenna device (10) includes a substrate (100) including a first surface (102), a first antenna (200) provided on the substrate (100), a second antenna (300) provided on the substrate (100), and a third antenna (400) provided on the first surface (102) of the substrate (100), and a center point (CP) of the third antenna (400) is positioned on the same side as an end portion (EP2) of the second antenna (300) furthest from the first antenna (200), relative to a center line (CL) passing through a center of a line (L) connecting an end portion (EP1) of the first antenna (200) furthest from the second antenna (300) and the end portion (EP2) of the second antenna (300) furthest from the first antenna (200), or relative to a center line (CL) of the first surface (102) of the substrate (100).Type: ApplicationFiled: October 27, 2020Publication date: December 29, 2022Applicant: YOKOWO CO., LTD.Inventors: Kazuya MATSUNAGA, Takeshi SAMPO, Yuki KIKUCHI
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Patent number: 11519938Abstract: Provided is a probe head capable of reducing an inductance value of a ground probe. In a probe head 1, a pin plate 40, a pin block 50, and a solder resist film 60 are stacked in this order from a measuring instrument side to be integrally formed, and constitute a support body that supports a signal probe 10 and a first ground probe 20. The pin plate 40 is an insulator. The pin block 50 is a conductor, and is electrically connected to the first ground probe 20 and a measuring instrument-side ground, and is not electrically connected to the signal probe 10. The solder resist film 60 is provided on the surface of the pin block 50 on a side of a device to be inspected, and is interposed between the pin block 50 and the device to be inspected.Type: GrantFiled: November 6, 2018Date of Patent: December 6, 2022Assignee: YOKOWO CO., LTD.Inventors: Yoshihiko Sakurai, Hiroshi Ishigure, Daisuke Hosokawa
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Publication number: 20220384939Abstract: 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: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Applicant: YOKOWO CO., LTD.Inventors: Noritaka TERASHITA, Motohisa ONO
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Publication number: 20220376385Abstract: An antenna device includes: a planar antenna; and a metal body arranged a predetermined distance above the planar antenna, wherein the metal body is shifted in a predetermined direction with respect to the planar antenna, wherein the metal body is a metal plate and/or a parasitic element. The antenna device further includes an antenna which corresponds to a frequency band different from that of the planar antenna and a holder configured to maintain the predetermined distance between the planar antemla and the metal body, wherein the antenna is arranged in the predetermined direction.Type: ApplicationFiled: August 2, 2022Publication date: November 24, 2022Applicant: Yokowo Co., Ltd.Inventors: Noritaka TERASHITA, Motohisa ONO, Yuki KATO
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Patent number: 11509044Abstract: There is provided an antenna device for a vehicle capable of suppressing interference in a case where a plurality of antennas which receive signals in different frequency bands are close to one another. The antenna device for the vehicle includes a patch antenna and a capacitance loading element which are installed away from each other on an antenna base section which is attachable to a vehicle. The capacitance loading element is a part of an antenna capable of receiving a different use frequency band from which of the patch antenna, to form a three-dimensional shape in which a pair of linear conductors which respectively repeatedly turn in a predetermined direction are connected to each other via a linear connection conductor extending in a width direction of the antenna base section, and in the capacitance loading element, a length of a folded portion of each of the linear conductors is a non-resonant length of the patch antenna.Type: GrantFiled: June 28, 2019Date of Patent: November 22, 2022Assignee: YOKOWO CO., LTD.Inventors: Yusuke Yokota, Taiki Mochizuki