Patents by Inventor Takeshi Sampo
Takeshi Sampo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240097349Abstract: 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: ApplicationFiled: November 17, 2023Publication date: March 21, 2024Applicant: YOKOWO CO., LTD.Inventors: Takeshi SAMPO, Takayuki SONE
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Patent number: 11894624Abstract: A slotted patch antenna includes a dielectric substrate, a radiation electrode which is provided on a major surface of the dielectric substrate, and a ground conductor which is disposed on a surface that is opposite to the major surface. The radiation electrode is formed with a slots having at least one of a meandering portion, a curve portion, or a folded portion. An external shape of the radiation electrode is a square, and totally two pairs of slots are formed inside the square, each of the slots being along respective sides of the square. Each of the slots is arranged so as to be line-symmetrical with respect to an axis of symmetry that is parallel with one of the sides of the square and passes through a center of the square, and to be point-symmetrical with respect to the center of the square.Type: GrantFiled: October 27, 2021Date of Patent: February 6, 2024Assignee: YOKOWO CO., LTD.Inventor: Takeshi Sampo
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Patent number: 11862859Abstract: 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: January 4, 2023Date of Patent: January 2, 2024Assignee: YOKOWO CO., LTD.Inventors: Takeshi Sampo, Takayuki Sone
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Patent number: 11855363Abstract: A first conductive plate (110) is located at a first surface (302) side of a substrate (300) away from the first surface (302) of the substrate (300). The first conductive plate (110) has an opening (112). A first conductive part (120) electrically connects the first conductive plate (110) and the substrate (300) to each other. A second conductive plate (210) is located at the first surface (302) side of the substrate (300) away from the first surface (302) of the substrate (300). A second conductive part (220) electrically connects the second conductive plate (210) and the substrate (300) to each other. The second conductive plate (210) is located inside the opening (112) of the first conductive plate (110).Type: GrantFiled: May 7, 2020Date of Patent: December 26, 2023Assignee: YOKOWO CO., LTD.Inventor: Takeshi Sampo
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Publication number: 20230411865Abstract: A patch antenna includes: a radiating element having a flat-plate shape; and a parasitic element provided at a position spaced away from the radiating element in planar view in which the radiating element is seen from a direction perpendicular to a plate surface of the radiating element. A longitudinal direction of the parasitic element is oriented along a direction of a line segment connecting a center of the radiating element and a feeding point in the planar view.Type: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Applicant: YOKOWO CO., LTD.Inventor: Takeshi SAMPO
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Patent number: 11799208Abstract: A patch antenna includes: a radiating element having a flat-plate shape; and a parasitic element provided at a position spaced away from the radiating element in planar view in which the radiating element is seen from a direction perpendicular to a plate surface of the radiating element. A longitudinal direction of the parasitic element is oriented along a direction of a line segment connecting a center of the radiating element and a feeding point in the planar view.Type: GrantFiled: February 7, 2019Date of Patent: October 24, 2023Assignee: YOKOWO CO., LTD.Inventor: Takeshi Sampo
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Publication number: 20230146537Abstract: 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: ApplicationFiled: January 4, 2023Publication date: May 11, 2023Applicant: YOKOWO CO., LTD.Inventors: Takeshi SAMPO, Takayuki SONE
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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: 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: 11476565Abstract: 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: GrantFiled: August 1, 2018Date of Patent: October 18, 2022Assignee: YOKOWO CO., LTD.Inventor: Takeshi Sampo
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Publication number: 20220263242Abstract: A first conductive plate (110) is located at a first surface (302) side of a substrate (300) away from the first surface (302) of the substrate (300). The first conductive plate (110) has an opening (112). A first conductive part (120) electrically connects the first conductive plate (110) and the substrate (300) to each other. A second conductive plate (210) is located at the first surface (302) side of the substrate (300) away from the first surface (302) of the substrate (300). A second conductive part (220) electrically connects the second conductive plate (210) and the substrate (300) to each other. The second conductive plate (210) is located inside the opening (112) of the first conductive plate (110).Type: ApplicationFiled: May 7, 2020Publication date: August 18, 2022Applicant: YOKOWO CO., LTD.Inventor: Takeshi SAMPO
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Publication number: 20220052456Abstract: A slotted patch antenna includes a dielectric substrate, a radiation electrode which is provided on a major surface of the dielectric substrate, and a ground conductor which is disposed on a surface that is opposite to the major surface. The radiation electrode is formed with a slots having at least one of a meandering portion, a curve portion, or a folded portion. An external shape of the radiation electrode is a square, and totally two pairs of slots are formed inside the square, each of the slots being along respective sides of the square. Each of the slots is arranged so as to be line-symmetrical with respect to an axis of symmetry that is parallel with one of the sides of the square and passes through a center of the square, and to be point-symmetrical with respect to the center of the square.Type: ApplicationFiled: October 27, 2021Publication date: February 17, 2022Applicant: YOKOWO CO., LTD.Inventor: Takeshi SAMPO
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Patent number: 11233329Abstract: A slotted patch antenna includes a dielectric substrate, a radiation electrode which is provided on a major surface of the dielectric substrate, and a ground conductor which is disposed on a surface that is opposite to the major surface. The radiation electrode is formed with a slots having at least one of a meandering portion, a curve portion, or a folded portion. An external shape of the radiation electrode is a square, and totally two pairs of slots are formed inside the square, each of the slots being along respective sides of the square. Each of the slots is arranged so as to be line-symmetrical with respect to an axis of symmetry that is parallel with one of the sides of the square and passes through a center of the square, and to be point-symmetrical with respect to the center of the square.Type: GrantFiled: March 2, 2018Date of Patent: January 25, 2022Assignee: YOKOWO CO., LTD.Inventor: Takeshi Sampo
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Publication number: 20210234284Abstract: 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: ApplicationFiled: February 1, 2021Publication date: July 29, 2021Applicant: Yokowo Co., Ltd.Inventors: Takeshi SAMPO, Takayuki SONE
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Patent number: 11069961Abstract: An antenna device to be mounted on a vehicle, including a ground conductor 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 conductor 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 conductor.Type: GrantFiled: December 14, 2017Date of Patent: July 20, 2021Assignee: YOKOWO CO., LTD.Inventors: Takeshi Sampo, Kenichi Yamada, Yuki Kikuchi
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Publication number: 20210167507Abstract: An antenna device according to the present invention includes: an inverted F antenna which includes a planar part having a face opposing a grounding surface with a predetermined interval therebetween, a feeding part disposed in a plane forming a predetermined angle with respect to the grounding surface, and a short-circuit part for grounding a portion of the planar part, wherein each of the planar part and the feeding part has a plate shape, and is physically separated from each other; and wherein the planar part and the feeding part are electrically connected each other at a frequency less than or equal to a predetermined frequency.Type: ApplicationFiled: June 28, 2018Publication date: June 3, 2021Applicant: YOKOWO CO., LTD.Inventors: Kenichi YAMADA, Takeshi SAMPO
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Publication number: 20210151896Abstract: An antenna device is mounted on a base plate. The antenna device includes an antenna element, a base, and a magnetic body. The antenna element is mounted on the base. The magnetic body is disposed between the base and the base plate.Type: ApplicationFiled: March 22, 2018Publication date: May 20, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taiki KUSUKAME, Takeshi SAMPO, Takayuki SONE, Masaki TSUKAMOTO
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Publication number: 20210135366Abstract: A slotted patch antenna includes a dielectric substrate, a radiation electrode which is provided on a major surface of the dielectric substrate, and a ground conductor which is disposed on a surface that is opposite to the major surface. The radiation electrode is formed with a slots having at least one of a meandering portion, a curve portion, or a folded portion. An external shape of the radiation electrode is a square, and totally two pairs of slots are formed inside the square, each of the slots being along respective sides of the square. Each of the slots is arranged so as to be line-symmetrical with respect to an axis of symmetry that is parallel with one of the sides of the square and passes through a center of the square, and to be point-symmetrical with respect to the center of the square.Type: ApplicationFiled: March 2, 2018Publication date: May 6, 2021Applicant: YOKOWO CO., LTD.Inventor: Takeshi SAMPO
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Publication number: 20210091480Abstract: A patch antenna includes: a radiating element having a flat-plate shape; and a parasitic element provided at a position spaced away from the radiating element in planar view in which the radiating element is seen from a direction perpendicular to a plate surface of the radiating element. A longitudinal direction of the parasitic element is oriented along a direction of a line segment connecting a center of the radiating element and a feeding point in the planar view.Type: ApplicationFiled: February 7, 2019Publication date: March 25, 2021Applicant: YOKOWO CO., LTD.Inventor: Takeshi SAMPO
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Patent number: 10950930Abstract: 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: GrantFiled: November 8, 2017Date of Patent: March 16, 2021Assignee: YOKOWO CO., LTD.Inventor: Takeshi Sampo