Patents by Inventor Manabu Mukai
Manabu Mukai 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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Patent number: 11391849Abstract: According to the embodiments, a satellite signal acquiring apparatus includes an antenna, a direction sensor, a position sensor and a processor. The antenna receives radio waves from satellites. The direction sensor obtains direction information. The position sensor obtains position information. The processor directs the antenna based on the direction information obtained by the direction sensor to search a search range including a satellite target angle that is associated with the position information obtained by the position sensor for the satellite. The processor calculates a level of reliability of the direction information obtained by the direction sensor. The processor narrows the search range in accordance with the level of reliability.Type: GrantFiled: April 9, 2018Date of Patent: July 19, 2022Assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastucture Systems & Solutions CorporationInventors: Satoru Amaki, Manabu Mukai, Noriyuki Imoto, Shigeyuki Numaguchi
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Patent number: 11056794Abstract: A method for producing a dual-polarized antenna includes providing first, second and third dielectric substrates with first and second main surfaces. The method includes patterning a conductive film on the first main surface of the first dielectric substrate to form a first ground conductor having an opening and a metal patch as a radiation element, the patch aligned to the opening in a lamination direction, patterning a conductive film on the first main surface of the second dielectric substrate to form a first feed probe configured to excite the metal patch, patterning a conductive film on the second main surface of the second dielectric substrate to form a second ground conductor having a slot generally parallel to the first feed probe, and patterning a conductive film on the second main surface of the third dielectric substrate to form a second feed probe generally perpendicular to the slot.Type: GrantFiled: March 12, 2019Date of Patent: July 6, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Koh Hashimoto, Makoto Higaki, Manabu Mukai
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Patent number: 10658755Abstract: A plane antenna device includes a multi-layered dielectric substrate having a plurality of dielectric layers; a first conductive plane on or in the multi-layered dielectric substrate; a second conductive plane on or in the multi-layered dielectric substrate, wherein at least first and second dielectric layers of the plurality of dielectric layers are disposed between the first and second conductive planes; a first signal line being between the at least first and second dielectric layers, the first signal line being between the first conductive plane and the second conductive plane; a first conductive via in the first dielectric layer, the first conductive via being distanced from the first signal line; and a second conductive via in the second dielectric layer, the second conductive via being distanced from the first signal line, the second conductive via being aligned to the first conductive via.Type: GrantFiled: August 17, 2016Date of Patent: May 19, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Koh Hashimoto, Makoto Higaki, Manabu Mukai
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Patent number: 10461389Abstract: According to one embodiment, a converter includes a first dielectric substrate; a second dielectric substrate provided above the first dielectric substrate through a first adhesive layer; a first signal line provided between the first dielectric substrate and the second dielectric substrate; a first via that penetrates the first dielectric substrate and is coupled to the first signal line on an upper side of the first via; and a first conductor plate provided at least one of below the first dielectric substrate and above the second dielectric substrate.Type: GrantFiled: June 30, 2017Date of Patent: October 29, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Manabu Mukai, Koh Hashimoto, Makoto Higaki
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Publication number: 20190207305Abstract: A method for producing a dual-polarized antenna includes providing first, second and third dielectric substrates with first and second main surfaces. The method includes patterning a conductive film on the first main surface of the first dielectric substrate to form a first ground conductor having an opening and a metal patch as a radiation element, the patch aligned to the opening in a lamination direction, patterning a conductive film on the first main surface of the second dielectric substrate to form a first feed probe configured to excite the metal patch, patterning a conductive film on the second main surface of the second dielectric substrate to form a second ground conductor having a slot generally parallel to the first feed probe, and patterning a conductive film on the second main surface of the third dielectric substrate to form a second feed probe generally perpendicular to the slot.Type: ApplicationFiled: March 12, 2019Publication date: July 4, 2019Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koh HASHIMOTO, Makoto HIGAKI, Manabu MUKAI
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Patent number: 10236569Abstract: According to one embodiment, an antenna device includes: an antenna substrate which comprises on a front surface thereof a radiation element for transmitting/receiving radio waves; a dielectric layer which covers the front surface and a back surface of the antenna substrate; and a first conductive layer which covers a side surface of the antenna substrate.Type: GrantFiled: April 3, 2017Date of Patent: March 19, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Manabu Mukai, Koh Hashimoto, Makoto Sano, Makoto Higaki
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Publication number: 20180316089Abstract: According to the embodiments, a satellite signal acquiring apparatus includes an antenna, a direction sensor, a position sensor and a processor. The antenna receives radio waves from satellites. The direction sensor obtains direction information. The position sensor obtains position information. The processor directs the antenna based on the direction information obtained by the direction sensor to search a search range including a satellite target angle that is associated with the position information obtained by the position sensor for the satellite. The processor calculates a level of reliability of the direction information obtained by the direction sensor. The processor narrows the search range in accordance with the level of reliability.Type: ApplicationFiled: April 9, 2018Publication date: November 1, 2018Inventors: Satoru Amaki, Manabu Mukai, Noriyuki Imoto, Shigeyuki Numaguchi
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Publication number: 20180302801Abstract: A communication system according to one embodiment manages wireless communication via an antenna capable of communicating with a plurality of terminals within a predetermined area. The communication system includes an analyzer and a controller. The analyzer is configured to analyze first information and second information and to specify an uncommunicable terminal from the terminals based on an analysis result. The first information is information registered in advance as positional information of the terminals within the predetermined area. The second information is predetermined information acquirable from the terminals. The uncommunicable terminal is a terminal located at a position where communication with the antenna is not possible.Type: ApplicationFiled: November 19, 2015Publication date: October 18, 2018Inventors: Kohta NAKAMURA, Katsumi KUSAMA, Taichi TASHIRO, Manabu MUKAI, Keiji YAMAMOTO
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Publication number: 20180053983Abstract: According to one embodiment, a converter includes a first dielectric substrate; a second dielectric substrate provided above the first dielectric substrate through a first adhesive layer; a first signal line provided between the first dielectric substrate and the second dielectric substrate; a first via that penetrates the first dielectric substrate and is coupled to the first signal line on an upper side of the first via; and a first conductor plate provided at least one of below the first dielectric substrate and above the second dielectric substrate.Type: ApplicationFiled: June 30, 2017Publication date: February 22, 2018Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Manabu MUKAI, Koh HASHIMOTO, Makoto HIGAKI
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Publication number: 20180034147Abstract: A dual-polarized antenna may include, but is not limited to, a first ground conductor; a metal patch conductive to the first ground conductor; a dielectric substrate having a first main surface and a second main surface opposite to the first main surface; a second ground conductor disposed on the second main surface of the dielectric substrate, the second ground conductor having at least one of an empty space and a non-empty space of insulator; a first feed probe disposed on the first main surface of the dielectric substrate, the first feed probe being coupled to the metal patch; and a second feed probe being spatially separated by the at least one of the empty space and the non-empty space of insulator from the first feed probe, the second feed probe being coupled to the metal patch through the at least one of the empty space and the non-empty space of insulator.Type: ApplicationFiled: October 11, 2017Publication date: February 1, 2018Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koh HASHIMOTO, Makoto HIGAKI, Manabu MUKAI
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Publication number: 20170365920Abstract: According to one embodiment, an antenna device includes: an antenna substrate which comprises on a front surface thereof a radiation element for transmitting/receiving radio waves; a dielectric layer which covers the front surface and a back surface of the antenna substrate; and a first conductive layer which covers a side surface of the antenna substrate.Type: ApplicationFiled: April 3, 2017Publication date: December 21, 2017Inventors: Manabu Mukai, Koh Hashimoto, Makoto Sano, Makoto Higaki
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Patent number: 9705195Abstract: According to an embodiment, the antenna device includes a substrate, a through hole, first and second grounded conductors, a radiating element and a feeder line. The substrate includes first to third layers. The third layer is formed between the first and the second layers. The through hole is formed on a substrate. The first grounded conductor is formed in the first layer and has a gap positioned between the first grounded conductor and the through hole. The second grounded conductor is formed in the second layer. The radiating element transmits or receives linearly-polarized waves. The feeder line is formed in the third layer, and is electrically continuous with the through hole. The feeder line includes a straight line that is formed in the third layer in an area of projection of the gap in thickness direction of the substrate and that is formed to be substantially parallel to a plane of polarization of the linearly-polarized waves.Type: GrantFiled: May 1, 2015Date of Patent: July 11, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Koh Hashimoto, Makoto Higaki, Manabu Mukai
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Publication number: 20170054217Abstract: A plane antenna device includes a multi-layered dielectric substrate having a plurality of dielectric layers; a first conductive plane on or in the multi-layered dielectric substrate; a second conductive plane on or in the multi-layered dielectric substrate, wherein at least first and second dielectric layers of the plurality of dielectric layers are disposed between the first and second conductive planes; a first signal line being between the at least first and second dielectric layers, the first signal line being between the first conductive plane and the second conductive plane; a first conductive via in the first dielectric layer, the first conductive via being distanced from the first signal line; and a second conductive via in the second dielectric layer, the second conductive via being distanced from the first signal line, the second conductive via being aligned to the first conductive via.Type: ApplicationFiled: August 17, 2016Publication date: February 23, 2017Inventors: Koh HASHIMOTO, Makoto HIGAKI, Manabu MUKAI
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Publication number: 20160365646Abstract: According to one embodiment, an array antenna device includes first and second substrates. The first substrate includes first radiating elements, and first lines connecting a first feed point to the first elements by lines of equal length, respectively, such that the first elements form a linearly polarized wave in a first direction. The second substrate includes second radiating elements, and second lines connecting a second feed point to the second elements by lines of equal length, which is the same as the first lines, respectively, such that the second elements form a linearly polarized wave in a second direction orthogonal to the first direction.Type: ApplicationFiled: August 24, 2016Publication date: December 15, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Makoto HIGAKI, Koh HASHIMOTO, Manabu MUKAI
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Publication number: 20160301131Abstract: An array antenna device according to an embodiment has a first sub-array antenna and a second sub-array antenna, a driver, and a feeder. The first sub-array antenna and the second sub-array antenna have a plurality of radiating elements arranged in a reference plane. The driver, by changing the orientation of at least one of the first sub-array antenna and the second sub-array antenna, causes the normal lines of the reference planes of the first sub-array antenna and the second sub-array antenna to intersect. The feeder performs in-phase power feed to the first sub-array antenna and the second sub-array antenna, and performs opposite-phase power feed to the first sub-array antenna and the second sub-array antenna.Type: ApplicationFiled: October 1, 2015Publication date: October 13, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Makoto HIGAKI, Koh HASHIMOTO, Manabu MUKAI
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Publication number: 20160197405Abstract: An array antenna device includes a plurality of radiating elements, a plurality of radiating elements and a plurality of feeder paths. The plurality of radiating elements are disposed in a plurality of regions defined by excluding at least one region of at least one of the four corners of a polygon defined by overall 2N×2N regions, from the 2N×2N regions provided in a two-dimensional matrix arrangement, where N is an arbitrary natural number of 2 or greater. The plurality of feeder paths feed the plurality of radiating elements.Type: ApplicationFiled: October 27, 2015Publication date: July 7, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Makoto HIGAKI, Koh HASHIMOTO, Manabu MUKAI
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Publication number: 20160197406Abstract: A dual-polarized antenna includes a first ground conductor; and a metal patch conductive to the first ground conductor. The metal patch has a radiation surface which is uncovered by the first ground conductor. The antenna further includes a first feed probe coupled to the metal patch; a second ground conductor disposed in an opposite side to the first surface with reference to the first ground conductor. The second ground conductor has at least one of the empty space and the non-empty space of insulator. The antenna further includes a second feed probe spatially separated by the at least one space from the first feed probe. The second feed probe is coupled to the metal patch through the at least one space.Type: ApplicationFiled: October 27, 2015Publication date: July 7, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koh HASHIMOTO, Makoto HIGAKI, Manabu MUKAI
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Publication number: 20160197404Abstract: A dual-polarized antenna may include, but is not limited to, a first ground conductor; a metal patch conductive to the first ground conductor; a dielectric substrate having a first main surface and a second main surface opposite to the first main surface; a second ground conductor disposed on the second main surface of the dielectric substrate, the second ground conductor having at least one of an empty space and a non-empty space of insulator; a first feed probe disposed on the first main surface of the dielectric substrate, the first feed probe being coupled to the metal patch; and a second feed probe being spatially separated by the at least one of the empty space and the non-empty space of insulator from the first feed probe, the second feed probe being coupled to the metal patch through the at least one of the empty space and the non-empty space of insulator.Type: ApplicationFiled: October 23, 2015Publication date: July 7, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koh HASHIMOTO, Makoto HIGAKI, Manabu MUKAI
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Publication number: 20150364823Abstract: According to an embodiment, the antenna device includes a substrate, a through hole, first and second grounded conductors, a radiating element and a feeder line. The substrate includes first to third layers. The third layer is formed between the first and the second layers. The through hole is formed on a substrate. The first grounded conductor is formed in the first layer and has a gap positioned between the first grounded conductor and the through hole. The second grounded conductor is formed in the second layer. The radiating element transmits or receives linearly-polarized waves. The feeder line is formed in the third layer, and is electrically continuous with the through hole. The feeder line includes a straight line that is formed in the third layer in an area of projection of the gap in thickness direction of the substrate and that is formed to be substantially parallel to a plane of polarization of the linearly-polarized waves.Type: ApplicationFiled: May 1, 2015Publication date: December 17, 2015Inventors: Koh HASHIMOTO, Makoto HIGAKI, Manabu MUKAI
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Patent number: RE44202Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: September 17, 2010Date of Patent: May 7, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai