Patents by Inventor Hiroshi Kuroda
Hiroshi Kuroda 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: 20240123776Abstract: A tire assembly includes a tire for mounting on a vehicle, an elastic body disposed on an inner side of the tire, and a power generation body disposed between an inner surface of the tire and the elastic body. The power generation body includes a first member and a second member. The first member has a first insulating film forming a first surface. The second member has a second insulating film forming a second surface that faces the first surface and contacts the first surface. The elastic body biases the power generation body toward the inner surface of the tire.Type: ApplicationFiled: October 6, 2021Publication date: April 18, 2024Applicants: Sumitomo Rubber Industries, Ltd., The School Corporation Kansai UniversityInventors: Mutsuki SUGIMOTO, Hiroshi TANI, Kenichi KURODA, Takahiro FUJIWARA, Kyota SUGIOKA
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Patent number: 11918983Abstract: Provided is a highly practical pressure vessel in which there is minimal inside diameter deformation even if openings in a center inlet/outlet part are large, and there is little pressure-induced elongation from a center to both ends.Type: GrantFiled: June 23, 2017Date of Patent: March 5, 2024Assignee: ARISAWA MFG. CO., LTD.Inventors: Hiroshi Tanaka, Yuichi Kawai, Mikio Kuroda
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Patent number: 11509051Abstract: A reception power supplying unit generates each of reception signals before and after a switching operation. A signal processing circuit generates each of difference signals before and after the switching operation on the basis of the reception signal and a reference signal. A phase difference detector calculates, as a transmission phase difference, the phase difference between transmission power supplying units on the basis of the respective difference signals, and adjusts a phase shift amount on the basis of the transmission phase difference and a set phase difference that is previously set.Type: GrantFiled: November 16, 2018Date of Patent: November 22, 2022Assignee: Hitachi Astemo, Ltd.Inventors: Hideyuki Nagaishi, Akira Kitayama, Hiroshi Kuroda
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Patent number: 11486996Abstract: The present invention minimizes the overall area occupied by a reception antenna while preventing erroneous detections resulting from azimuth aliasing. A reception antenna includes antenna elements that are disposed along the horizontal direction, antenna elements that are disposed along the vertical direction, and an antenna element that is disposed at an angle from the antenna elements with respect to the horizontal direction and is disposed at an angle from the antenna elements with respect to the vertical direction. The distance between the centers of the antenna elements in the horizontal direction differs from the distances between the center of the antenna element and the respective centers of the antenna elements in the horizontal direction. The distance between the centers of the antenna elements in the vertical direction differs from the distances between the center of the antenna element and the respective centers of the antenna elements in the vertical direction.Type: GrantFiled: September 14, 2018Date of Patent: November 1, 2022Assignee: Hitachi Astemo, Ltd.Inventors: Katsumi Ouchi, Akira Kitayama, Hiroshi Kuroda
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Patent number: 11387547Abstract: The present invention provides an antenna comprising: a radiation unit that is formed on a substrate; a waveguide that propagates therein radio waves radiated from the radiation unit and radiates the radio waves as a beam; and a dielectric lens that is arranged in an opening of the waveguide and has an incident plane facing the radiation unit and a radiation plane radiating radio waves entered from the incident plane. The radiation plane of the dielectric lens has a plane orientation different from a flat plane perpendicular to the radiation direction of the beam.Type: GrantFiled: April 11, 2018Date of Patent: July 12, 2022Assignee: Hitachi Astemo, Ltd.Inventors: Hideyuki Nagaishi, Akira Kuriyama, Akira Kitayama, Hiroshi Kuroda
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Patent number: 11300654Abstract: The present invention provides a radar device capable of reducing processing load while arraying receiving antennas in two directions. In the present invention, a transmitting unit (transmitting antenna) transmits an electromagnetic wave. A plurality of receiving antennas 108 receive a reflected wave from an object which reflects the electromagnetic wave, and convert the reflected wave into a first signal Sig1. A plurality of receiving circuits 520 are respectively connected to the receiving antennas 108 and generate a second signal Sig2 from the first signal Sig1. A signal processing unit 103 processes the second signal Sig2. The plurality of receiving antennas 108 are arrayed in a first direction and a second direction crossing the first direction.Type: GrantFiled: November 17, 2017Date of Patent: April 12, 2022Assignee: HITACHI ASTEMO, LTD.Inventors: Satoshi Sasaki, Akira Kitayama, Hiroshi Kuroda
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Patent number: 11215705Abstract: The present invention realizes stable operation of a radar device even if there is radio wave interference between multiple radar devices. A radar device 108 is provided with the following: an oscillator 105 that generates a modulated signal that has undergone frequency modulation; a transmission unit 103 that emits a transmission signal that has undergone frequency modulation during a prescribed modulation operation period using the modulated signal generated by the oscillator 105; a reception unit 104 that receives a reception signal which is the transmission signal that has been reflected off of an object in the area; and a signal processing unit 106.Type: GrantFiled: March 16, 2018Date of Patent: January 4, 2022Assignee: HITACHI ASTEMO, LTD.Inventors: Akira Kitayama, Hiroshi Kuroda
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Patent number: 11199608Abstract: The present invention is an antenna provided with: a plurality of radiating parts formed on a base plate; a waveguide tube inside of which radio waves emitted from the radiating parts propagate; a lens having a plurality of curved surfaces having a substantially hyperbolic shape and disposed in an opening of the waveguide tube; and a protruding part formed in a tapered shape between the plurality of radiating parts. The tip of the protruding part is formed at a position lower than an opening surface.Type: GrantFiled: August 3, 2017Date of Patent: December 14, 2021Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Hideyuki Nagaishi, Akira Kuriyama, Akira Kitayama, Hiroshi Kuroda
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Patent number: 11163038Abstract: Provided is an antenna which includes a plurality of radiating portions which are formed on a substrate and a plurality of dielectric lenses for respectively converting a spherical wave radiated from each radiating portion into a plane wave, wherein the shape of a cross section of each dielectric lens perpendicular to a radiation direction of a beam is formed in a shape which radiates a beam which is narrower in a second direction than in a first direction orthogonal to the second direction, and the plurality of dielectric lenses are arranged side by side in the second direction so that beams radiated from the respective dielectric lenses are synthesized.Type: GrantFiled: February 17, 2017Date of Patent: November 2, 2021Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Akira Kuriyama, Hideyuki Nagaishi, Akira Kitayama, Hiroshi Kuroda
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Publication number: 20210143533Abstract: The present invention provides an antenna comprising: a radiation unit that is formed on a substrate; a waveguide that propagates therein radio waves radiated from the radiation unit and radiates the radio waves as a beam; and a dielectric lens that is arranged in an opening of the waveguide and has an incident plane facing the radiation unit and a radiation plane radiating radio waves entered from the incident plane. The radiation plane of the dielectric lens has a plane orientation different from a flat plane perpendicular to the radiation direction of the beam.Type: ApplicationFiled: April 11, 2018Publication date: May 13, 2021Inventors: Hideyuki NAGAISHI, Akira KURIYAMA, Akira KITAYAMA, Hiroshi KURODA
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Patent number: 10921442Abstract: A sensor has an antenna. The antenna includes a radiation source and a wave guide. The radiation source is formed on a substrate. The wave guide internally propagates electromagnetic waves radiated from the radiation source and radiates the electromagnetic waves as a beam. The wave guide has a radiation-side opening in which a first direction and a second direction are orthogonal to each other, and the second direction is longer than the first direction. In a cross-sectional shape of the beam, perpendicular to a radiation direction of the beam radiated from the wave guide, a first direction and a second direction are orthogonal to each other, and the second direction is narrower than the first direction.Type: GrantFiled: May 13, 2016Date of Patent: February 16, 2021Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Akira Kuriyama, Hideyuki Nagaishi, Hiroshi Kuroda
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Publication number: 20200358178Abstract: A reception power supplying unit generates each of reception signals before and after a switching operation. A signal processing circuit generates each of difference signals before and after the switching operation on the basis of the reception signal and a reference signal. A phase difference detector calculates, as a transmission phase difference, the phase difference between transmission power supplying units on the basis of the respective difference signals, and adjusts a phase shift amount on the basis of the transmission phase difference and a set phase difference that is previously set.Type: ApplicationFiled: November 16, 2018Publication date: November 12, 2020Inventors: Hideyuki NAGAISHI, Akira KITAYAMA, Hiroshi KURODA
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Publication number: 20200319293Abstract: Provided is an antenna which includes a plurality of radiating portions which are formed on a substrate and a plurality of dielectric lenses for respectively converting a spherical wave radiated from each radiating portion into a plane wave, wherein the shape of a cross section of each dielectric lens perpendicular to a radiation direction of a beam is formed in a shape which radiates a beam which is narrower in a second direction than in a first direction orthogonal to the second direction, and the plurality of dielectric lenses are arranged side by side in the second direction so that beams radiated from the respective dielectric lenses are synthesized.Type: ApplicationFiled: May 25, 2016Publication date: October 8, 2020Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Akira KURIYAMA, Hideyuki NAGAISHI, Akira KITAYAMA, Hiroshi KURODA
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Publication number: 20200200888Abstract: The present invention minimizes the overall area occupied by a reception antenna while preventing erroneous detections resulting from azimuth aliasing. A reception antenna includes antenna elements that are disposed along the horizontal direction, antenna elements that are disposed along the vertical direction, and an antenna element that is disposed at an angle from the antenna elements with respect to the horizontal direction and is disposed at an angle from the antenna elements with respect to the vertical direction. The distance between the centers of the antenna elements in the horizontal direction differs from the distances between the center of the antenna element and the respective centers of the antenna elements in the horizontal direction. The distance between the centers of the antenna elements in the vertical direction differs from the distances between the center of the antenna element and the respective centers of the antenna elements in the vertical direction.Type: ApplicationFiled: September 14, 2018Publication date: June 25, 2020Inventors: Katsumi OUCHI, Akira KITAYAMA, Hiroshi KURODA
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Publication number: 20200057135Abstract: The present invention provides a radar device capable of reducing processing load while arraying receiving antennas in two directions. In the present invention, a transmitting unit (transmitting antenna) transmits an electromagnetic wave. A plurality of receiving antennas 108 receive a reflected wave from an object which reflects the electromagnetic wave, and convert the reflected wave into a first signal Sig1. A plurality of receiving circuits 520 are respectively connected to the receiving antennas 108 and generate a second signal Sig2 from the first signal Sig1. A signal processing unit 103 processes the second signal Sig2. The plurality of receiving antennas 108 are arrayed in a first direction and a second direction crossing the first direction.Type: ApplicationFiled: November 17, 2017Publication date: February 20, 2020Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Satoshi SASAKI, Akira KITAYAMA, Hiroshi KURODA
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Publication number: 20190377077Abstract: The present invention realizes stable operation of a radar device even if there is radio wave interference between multiple radar devices. A radar device 108 is provided with the following: an oscillator 105 that generates a modulated signal that has undergone frequency modulation; a transmission unit 103 that emits a transmission signal that has undergone frequency modulation during a prescribed modulation operation period using the modulated signal generated by the oscillator 105; a reception unit 104 that receives a reception signal which is the transmission signal that has been reflected off of an object in the area; and a signal processing unit 106.Type: ApplicationFiled: March 16, 2018Publication date: December 12, 2019Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Akira KITAYAMA, Hiroshi KURODA
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Publication number: 20190369221Abstract: To accurately detect interference in a radar device, this radar apparatus 1 is provided with: an average amplitude calculation unit 122 that calculates an average amplitude of a beat signal based on a transmission signal and a reception signal; and an interference detection unit 123 that detects an interference signal with respect to the reception signal on the basis of the average amplitude of the beat signal calculated by the average amplitude calculation unit 122.Type: ApplicationFiled: February 2, 2018Publication date: December 5, 2019Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Masahiro UMEHIRA, Shigeki TAKEDA, Hiroshi KURODA
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Patent number: 10487761Abstract: A vehicle control apparatus that makes it possible to attempt fuel consumption improvement and exhaust gas reduction effectively without causing a sense of incompatibility in the driver is provided. When traveling following the preceding vehicle, kinetic energy required for an own vehicle in future is predicted on the basis of kinetic energy of the own vehicle, a velocity of a preceding vehicle, and a distance between the own vehicle and the preceding vehicle. It is determined whether there is kinetic energy enough for the own vehicle to be able to follow the preceding vehicle with inertial traveling, on the basis of the predicted kinetic energy and current kinetic energy. When it is determined that the kinetic energy is sufficient and the driving and traveling state of the own vehicle satisfies other traveling idling reduction conditions, control of stopping the engine is exercised.Type: GrantFiled: March 14, 2014Date of Patent: November 26, 2019Assignee: Hitachi Automotive Systems, Ltd.Inventors: Takeo Shibata, Hiroshi Kuroda
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Publication number: 20190310345Abstract: The present invention is an antenna provided with: a plurality of radiating parts formed on a base plate; a waveguide tube inside of which radio waves emitted from the radiating parts propagate; a lens having a plurality of curved surfaces having a substantially hyperbolic shape and disposed in an opening of the waveguide tube; and a protruding part formed in a tapered shape between the plurality of radiating parts. The tip of the protruding part is formed at a position lower than an opening surface.Type: ApplicationFiled: August 3, 2017Publication date: October 10, 2019Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Hideyuki NAGAISHI, Akira KURIYAMA, Akira KITAYAMA, Hiroshi KURODA
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Patent number: 10026158Abstract: The present invention addresses the problem of providing an imaging device that prevents mismatching in image matching for parallax calculation even if the sharpnesses of an end part and center part of a processing area differ. An imaging device 1 according to the present invention is provided with a means for equalizing the sharpnesses of the processing areas of a reference image and a comparison image.Type: GrantFiled: August 17, 2015Date of Patent: July 17, 2018Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Toshiyuki Aoki, Takeshi Shima, Tatsuhiko Monji, Hiroshi Kuroda, Keiichi Betsui, Seiji Murata