Patents by Inventor Shigehiro Yoshiuchi
Shigehiro Yoshiuchi 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: 20220011086Abstract: A magnetic sensor unit includes a magnet, a magnetic sensor facing a lower surface of the magnet, a magnetic shield surrounding the magnetic sensor in a lateral direction crossing up and down directions of the magnetic sensor, and a magnetic yoke covering an upper surface and a side surface of the magnet. The magnet includes a first magnetized region magnetized along the up and down direction, and a second magnetized region magnetized in a direction opposite to a direction of magnetization of the first magnetized region. The first and second magnetized regions have first and second magnetic poles provided on the lower surface of the magnet. A distance LA between a center of the first magnetic pole and a center of the second magnetic pole, a distance LB between the magnetic shield and the center of the first magnetic pole, a distance LC between the magnetic shield and the center of the second magnetic pole satisfy a relation of LA<LB+LC.Type: ApplicationFiled: July 5, 2019Publication date: January 13, 2022Inventors: KAZUHIRO ONAKA, KIYOTAKA YAMADA, NORITAKA ICHINOMIYA, SHIGEHIRO YOSHIUCHI
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Patent number: 10838019Abstract: A magnetic sensor includes a first magnetoresistive element that detects a magnetic field along a first detection axis, a second magnetoresistive element that detects a magnetic field along a second detection axis inclining at an angle of 45 degrees with respect to the first detection axis, a first Hall element that detects a magnetic field along a third detection axis, and a second Hall element that detects a magnetic field along a fourth detection axis perpendicular to the third detection axis. This magnetic sensor has both characteristics of the Hall elements and characteristics of the magnetoresistive elements, and has high accuracy and a small size.Type: GrantFiled: June 10, 2019Date of Patent: November 17, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuhiro Onaka, Noritaka Ichinomiya, Shigehiro Yoshiuchi, Kiyotaka Yamada
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Patent number: 10759276Abstract: A magnetic sensor includes a magneto-resistive element, a Hall element, and a detection circuit that receives a signal from the magneto-resistive element and a signal from the Hall element input thereto. The detection circuit includes an output terminal and an interrupt generation unit. The output terminal outputs, to the outside as an output signal, a signal obtained by performing to the signal input from the magneto-resistive element, at least one processing selected from amplification, analog-to-digital conversion, offset correction, and temperature-characteristics correction. The interrupt generation unit outputs an interrupt signal when the signal input from the Hall element is larger than a predetermined threshold. The magnetic sensor is high accurate and highly reliable.Type: GrantFiled: June 27, 2017Date of Patent: September 1, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuhiro Onaka, Shigehiro Yoshiuchi, Noritaka Ichinomiya, Kiyotaka Yamada
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Publication number: 20190293726Abstract: A magnetic sensor includes a first magnetoresistive element that detects a magnetic field along a first detection axis, a second magnetoresistive element that detects a magnetic field along a second detection axis inclining at an angle of 45 degrees with respect to the first detection axis, a first Hall element that detects a magnetic field along a third detection axis, and a second Hall element that detects a magnetic field along a fourth detection axis perpendicular to the third detection axis. This magnetic sensor has both characteristics of the Hall elements and characteristics of the magnetoresistive elements, and has high accuracy and a small size.Type: ApplicationFiled: June 10, 2019Publication date: September 26, 2019Inventors: Kazuhiro ONAKA, Noritaka ICHINOMIYA, Shigehiro YOSHIUCHI, Kiyotaka YAMADA
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Patent number: 10359478Abstract: A magnetic sensor includes a first magnetoresistive element that detects a magnetic field along a first detection axis, a second magnetoresistive element that detects a magnetic field along a second detection axis inclining at an angle of 45 degrees with respect to the first detection axis, a first Hall element that detects a magnetic field along a third detection axis, and a second Hall element that detects a magnetic field along a fourth detection axis perpendicular to the third detection axis. This magnetic sensor has both characteristics of the Hall elements and characteristics of the magnetoresistive elements, and has high accuracy and a small size.Type: GrantFiled: April 26, 2016Date of Patent: July 23, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuhiro Onaka, Noritaka Ichinomiya, Shigehiro Yoshiuchi, Kiyotaka Yamada
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Publication number: 20190077256Abstract: A magnetic sensor includes a magneto-resistive element, a Hall element, and a detection circuit that receives a signal from the magneto-resistive element and a signal from the Hall element input thereto. The detection circuit includes an output terminal and an interrupt generation unit. The output terminal outputs, to the outside as an output signal, a signal obtained by performing to the signal input from the magneto-resistive element, at least one processing selected from amplification, analog-to-digital conversion, offset correction, and temperature-characteristics correction. The interrupt generation unit outputs an interrupt signal when the signal input from the Hall element is larger than a predetermined threshold. The magnetic sensor is high accurate and highly reliable.Type: ApplicationFiled: June 27, 2017Publication date: March 14, 2019Inventors: KAZUHIRO ONAKA, SHIGEHIRO YOSHIUCHI, NORITAKA ICHINOMIYA, KIYOTAKA YAMADA
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Publication number: 20180052208Abstract: A magnetic sensor includes a first magnetoresistive element that detects a magnetic field along a first detection axis, a second magnetoresistive element that detects a magnetic field along a second detection axis inclining at an angle of 45 degrees with respect to the first detection axis, a first Hall element that detects a magnetic field along a third detection axis, and a second Hall element that detects a magnetic field along a fourth detection axis perpendicular to the third detection axis. This magnetic sensor has both characteristics of the Hall elements and characteristics of the magnetoresistive elements, and has high accuracy and a small size.Type: ApplicationFiled: April 26, 2016Publication date: February 22, 2018Inventors: KAZUHIRO ONAKA, NORITAKA ICHINOMIYA, SHIGEHIRO YOSHIUCHI, KIYOTAKA YAMADA
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Publication number: 20170176186Abstract: An inertial force sensor that can suppress fluctuation of detection sensitivity even if an external stress is applied to the inertial force sensor. Angular velocity sensor (1), that is, an inertial force sensor includes ceramic substrate (6), lower lid (4) adhering to ceramic substrate (6) with adhesives (11a and 11b) (first adhesives), and sensor element (2) adhering to lower lid (4) with adhesives (10a and 10b) (second adhesives). The elastic moduli of adhesives (11a and 11b) are smaller than those of adhesives (10a and 10b).Type: ApplicationFiled: March 9, 2017Publication date: June 22, 2017Inventors: Shigehiro Yoshiuchi, Satoshi Ohuchi, Tsuyoshi Fujii, Kensaku Yamamoto, Hideo Ohkoshi
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Patent number: 9632105Abstract: An inertial force sensor that can suppress fluctuation of detection sensitivity even if an external stress is applied to the inertial force sensor. Angular velocity sensor (1), that is, an inertial force sensor includes ceramic substrate (6), lower lid (4) adhering to ceramic substrate (6) with adhesives (11a and 11b) (first adhesives), and sensor element (2) adhering to lower lid (4) with adhesives (10a and 10b) (second adhesives). The elastic moduli of adhesives (11a and 11b) are smaller than those of adhesives (10a and 10b).Type: GrantFiled: September 28, 2012Date of Patent: April 25, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shigehiro Yoshiuchi, Satoshi Ohuchi, Tsuyoshi Fujii, Kensaku Yamamoto, Hideo Ohkoshi
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Publication number: 20170016745Abstract: A magnetic sensor includes a substrate, a magnetoresistive element group, and a magnet group. The substrate has a first surface and a second surface opposite to the first surface. The magnetoresistive element group includes a first magnetoresistive element and a second magnetoresistive element. The first magnetoresistive element and the second magnetoresistive element are located on the first surface of the substrate. The magnet group includes a first magnet opposing the first magnetoresistive element and a second magnet opposing the second magnetoresistive element.Type: ApplicationFiled: March 12, 2015Publication date: January 19, 2017Inventors: KAZUHIRO ONAKA, NORITAKA ICHINOMIYA, KIYOTAKA YAMADA, SHIGEHIRO YOSHIUCHI
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Publication number: 20160131683Abstract: A magnetic sensor has a first tube-shaped bias magnet and a first magnetic sensor element. The first tube-shaped bias magnet has a bottom face, a top face facing the bottom face, and an outer side surface and an inner side surface both located between the bottom face and the top face, and includes an N pole formed by magnetizing one of the bottom face and the top face and an S pole formed by magnetizing a remaining one of the bottom face and the top face. The first magnetic sensor element is located in an inner space surrounded by a plane including the bottom face, a plane including the top face, and the inner side surface. The magnetic sensor can detect intensity of an external magnetic field with high accuracy.Type: ApplicationFiled: January 17, 2016Publication date: May 12, 2016Inventors: KAZUHIRO ONAKA, TAKASHI UMEDA, SHIGEHIRO YOSHIUCHI, RYO OSABE
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Patent number: 9231119Abstract: A sensor includes a circuit board, a wiring connection layer, a sensor element, and a conductive post. The circuit board has a first electrode. The wiring connection layer has second and third electrodes. The second electrode is connected to the first electrode. The sensor element has a fourth electrode. The conductive post connects the third electrode electrically with the fourth electrode. This sensor can be driven efficiently.Type: GrantFiled: March 5, 2012Date of Patent: January 5, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shigehiro Yoshiuchi, Takashi Imanaka, Takami Ishida, Satoshi Ohuchi, Hideo Ohkoshi, Katsuya Morinaka, Daisuke Nakamura, Hiroyuki Nakamura
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Publication number: 20150192602Abstract: An inertial force sensor that can suppress fluctuation of detection sensitivity even if an external stress is applied to the inertial force sensor. Angular velocity sensor (1), that is, an inertial force sensor includes ceramic substrate (6), lower lid (4) adhering to ceramic substrate (6) with adhesives (11a and 11b) (first adhesives), and sensor element (2) adhering to lower lid (4) with adhesives (10a and 10b) (second adhesives). The elastic moduli of adhesives (11a and 11b) are smaller than those of adhesives (10a and 10b).Type: ApplicationFiled: March 17, 2015Publication date: July 9, 2015Inventors: Shigehiro Yoshiuchi, Satoshi Ohuchi, Tsuyoshi Fujii, Kensaku Yamamoto, Hideo Ohkoshi
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Publication number: 20140373626Abstract: An inertial force sensor includes a detector element, a supporting body supporting the detector element, and a case holding the detector element via the first supporting body. The supporting body has flexibility and has a plate shape. The detector element includes a weight, a flexible coupling portion extending along a plane and supporting the weight, a fixing portion holding the weight via the coupling portion, and a detector detecting angular velocities about at least two axes non-parallel to each other. The supporting body extends in parallel with the plane from the detector element, and bends at a bending portion in a direction away from the plane. This inertial force sensor can detect the angular velocities while preventing erroneous detection caused by external impacts and vibrations.Type: ApplicationFiled: September 10, 2014Publication date: December 25, 2014Inventors: HIDEO OHKOSHI, SHIGEHIRO YOSHIUCHI, TSUYOSHI SAKAUE
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Patent number: 8857258Abstract: An inertial force sensor includes a detector element, a supporting body supporting the detector element, and a case holding the detector element via the first supporting body. The supporting body has flexibility and has a plate shape. The detector element includes a weight, a flexible coupling portion extending along a plane and supporting the weight, a fixing portion holding the weight via the coupling portion, and a detector detecting angular velocities about at least two axes non-parallel to each other. The supporting body extends in parallel with the plane from the detector element, and bends at a bending portion in a direction away from the plane. This inertial force sensor can detect the angular velocities while preventing erroneous detection caused by external impacts and vibrations.Type: GrantFiled: February 16, 2010Date of Patent: October 14, 2014Assignee: Panasonic CorporationInventors: Hideo Ohkoshi, Shigehiro Yoshiuchi, Tsuyoshi Sakaue
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Publication number: 20140238131Abstract: An inertial force sensor that can suppress fluctuation of detection sensitivity even if an external stress is applied to the inertial force sensor. Angular velocity sensor (1), that is, an inertial force sensor includes ceramic substrate (6), lower lid (4) adhering to ceramic substrate (6) with adhesives (11a and 11b) (first adhesives), and sensor element (2) adhering to lower lid (4) with adhesives (10a and 10b) (second adhesives). The elastic moduli of adhesives (11a and 11b) are smaller than those of adhesives (10a and 10b).Type: ApplicationFiled: September 28, 2012Publication date: August 28, 2014Inventors: Shigehiro Yoshiuchi, Satoshi Ohuchi, Tsuyoshi Fujii, Kensaku Yamamoto, Hideo Ohkoshi
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Publication number: 20130307094Abstract: A sensor includes a circuit board, a wiring connection layer, a sensor element, and a conductive post. The circuit board has a first electrode. The wiring connection layer has second and third electrodes. The second electrode is connected to the first electrode. The sensor element has a fourth electrode. The conductive post connects the third electrode electrically with the fourth electrode. This sensor can be driven efficiently.Type: ApplicationFiled: March 5, 2012Publication date: November 21, 2013Applicant: PANASONIC CORPORATIONInventors: Shigehiro Yoshiuchi, Takashi Imanaka, Takami Ishida, Satoshi Ohuchi, Hideo Ohkoshi, Katsuya Morinaka, Daisuke Nakamura, Hiroyuki Nakamura
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Patent number: 8567240Abstract: A tire force detection apparatus estimates the force exerted on a tire at the contact point of the tire in a vehicle that includes: a tire/wheel assembly having a wheel and a tire held on an outer circumferential portion of the wheel; and a wheel support member that rotatably supports the wheel via a wheel support portion. The tire force detection apparatus includes: an elastic body disposed between the wheel and the wheel support portion, the elastic body having column portions that each abut, at opposite ends thereof, the wheel and the wheel support portion and a plate-shaped portion that is integrated with the column portions and extends around the column portions; stress detectors that detect stress applied to the elastic body by detecting a strain of the plate-shaped portion; and an electronic circuit device that calculates the force exerted on the tire, based on the stress detected.Type: GrantFiled: December 1, 2009Date of Patent: October 29, 2013Assignees: Toyota Jidosha Kabushiki Kaisha, Panasonic CorporationInventors: Hiroshi Isono, Shigehiro Yoshiuchi
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Publication number: 20110271760Abstract: An inertial force sensor includes a detector element, a supporting body supporting the detector element, and a case holding the detector element via the first supporting body. The supporting body has flexibility and has a plate shape. The detector element includes a weight, a flexible coupling portion extending along a plane and supporting the weight, a fixing portion holding the weight via the coupling portion, and a detector detecting angular velocities about at least two axes non-parallel to each other. The supporting body extends in parallel with the plane from the detector element, and bends at a bending portion in a direction away from the plane. This inertial force sensor can detect the angular velocities while preventing erroneous detection caused by external impacts and vibrations.Type: ApplicationFiled: February 16, 2010Publication date: November 10, 2011Applicant: PANASONIC CORPORATIONInventors: Hideo Ohkoshi, Shigehiro Yoshiuchi, Tsuyoshi Sakaue
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Publication number: 20110239752Abstract: A tire force detection apparatus estimates the force exerted on a tire at the contact point of the tire in a vehicle that includes: a tire/wheel assembly having a wheel and a tire held on an outer circumferential portion of the wheel; and a wheel support member that rotatably supports the wheel via a wheel support portion. The tire force detection apparatus includes: an elastic body disposed between the wheel and the wheel support portion, the elastic body having column portions that each abut, at opposite ends thereof, the wheel and the wheel support portion and a plate-shaped portion that is integrated with the column portions and extends around the column portions; stress detectors that detect stress applied to the elastic body by detecting a strain of the plate-shaped portion; and an electronic circuit device that calculates the force exerted on the tire, based on the stress detected.Type: ApplicationFiled: December 1, 2009Publication date: October 6, 2011Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, PANASONIC CORPORATIONInventors: Hiroshi Isono, Shigehiro Yoshiuchi