Patents by Inventor Masaaki Shimizu
Masaaki Shimizu 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: 11951918Abstract: An in-vehicle power supply system includes: a main power supply configured to supply power; one or more power supply hubs; a plurality of electronic devices; a main power cable configured to connect the one or more power supply hubs to the main power supply; a sub power cable configured to connect each of the plurality of electronic devices to any one of the one or more power supply hubs; and a control unit configured to turn on/off power supply to each of the plurality of electronic devices through a power supply hub connected to the electronic device. For the plurality of electronic devices, a predetermined voltage is specified, and it is designed so that, while power is supplied to the plurality of electronic devices connected to the one or more power supply hubs, the predetermined voltage of at least one of the plurality of electronic devices is ensured.Type: GrantFiled: July 21, 2020Date of Patent: April 9, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Sadahisa Yamada, Kazuichi Fujisaka, Masaaki Shimizu
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Patent number: 11955826Abstract: Electronic devices include: a first electronic device capable of being always supplied with power; and a second electronic device capable of being supplied with the power through an operation by an occupant. Each of power supply hubs is located near the first electronic device, and connected to a battery or another one of the power supply hubs by one of main power supply lines. Each of the first and second electronic devices is connected to nearby one of the power supply hubs. Each of zone ECUs outputs a control signal to one of power supply ICs so as to distribute, to the first and second electronic devices, the power supplied to one of the power supply hubs by one of the main power supply lines.Type: GrantFiled: June 15, 2020Date of Patent: April 9, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Sadahisa Yamada, Yoshimasa Kurokawa, Tetsuhiro Yamashita, Masaaki Shimizu
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Patent number: 11948319Abstract: A structure detection device according to an embodiment includes: a reading processing unit that reads, as three-dimensional point group data on an object present in a three-dimensional space, data including three-dimensional position information and color information at a point on a surface of the object; a filtering processing unit that performs filtering processing for extracting three-dimensional point group data on a detection-target structure from the three-dimensional point group data on the object present in the three-dimensional space based on the color information; and a generation processing unit that generates three-dimensional model data in which the detection-target structure is represented as a three-dimensional model based on the three-dimensional point group data on the detection-target structure, the three-dimensional point group data being extracted by the filtering processing unit.Type: GrantFiled: March 18, 2020Date of Patent: April 2, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masaaki Inoue, Tomoya Shimizu, Ryuji Honda, Hiroyuki Oshida
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Publication number: 20240085252Abstract: [Problem] To Provide a fabric-like sensor in which an output signal can be improved when in use and damage or fracture of a sensor element hardly occurs, and a fabric-like sensor device using it. Solution In a fabric-like sensor S having a fabric base material 1 and a line-shaped sensor element 2, at least one line-shaped cavity portion 11 is provided inside the fabric base material 1, and at least a part of the cavity portion 11 is composed of a raw fabric at least a part of the cavity portion has no elasticity in a line direction of the cavity portion 11, and further the line-shaped sensor element 2 is arranged in a state of not being substantially constrained or fixed in at least one of cavity portions in a fabric 1.Type: ApplicationFiled: February 2, 2022Publication date: March 14, 2024Applicants: TOHO KASEI CO., LTD., SHINDO CO., LTD.Inventors: Ken OGASAWARA, Satoshi SHIMIZU, Masaaki SASAKI, Manabu NAKAJIMA, Masahiro MURAO, Ken MIYAZAKI
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Patent number: 11922650Abstract: It is possible to estimate a slack level accurately in consideration of a shape of a deformed cable. A point cloud analysis device sets a plurality of regions of interest obtained by window-searching a wire model including a quadratic curve model representing a cable obtained from a point cloud consisting of three-dimensional points on an object, the region of interest being divided into a first region and a second region.Type: GrantFiled: May 8, 2019Date of Patent: March 5, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hitoshi Niigaki, Masaki Waki, Masaaki Inoue, Yasuhiro Yao, Tomoya Shimizu, Hiroyuki Oshida, Kana Kurata, Shingo Ando, Atsushi Sagata
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Patent number: 11873022Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (22) is provided in a vehicle body and is coupled to a trunk network through which a digital control signal is transmitted. A sub hub device (241, 242) performs input/output of a signal to/from an in-vehicle device provided in a partial body assembled to the vehicle body via a movable portion. The sub hub device (241, 242) is provided in the partial body and the digital control signal is transmitted/received between the sub hub device (241, 242) and the network hub device (22) via a wire harness passing through the movable portion.Type: GrantFiled: July 10, 2020Date of Patent: January 16, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Sadahisa Yamada, Yoshimasa Kurokawa, Tetsuhiro Yamashita, Masaaki Shimizu
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Patent number: 11804978Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (35) is coupled to a trunk network and performs input/output of a signal to/from an in-vehicle device via a plurality of device side communication ports. A signal conversion section (35a, 35b) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a trunk side communication port and an analog port. A second signal conversion section (70) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a digital port (49) and a predetermined in-vehicle device (353).Type: GrantFiled: July 10, 2020Date of Patent: October 31, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Sadahisa Yamada, Yoshimasa Kurokawa, Tetsuhiro Yamashita, Masaaki Shimizu
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Publication number: 20230068234Abstract: Provided is a method for manufacturing a ribbon piece that allows suppressing a damage of a rotary die cutter. A method for manufacturing a ribbon piece of the present disclosure includes punching out a ribbon piece from a ribbon material using a rotary die cutter. The rotary die cutter includes a die roll and an anvil roll. The die roll includes a die roll body, and a cutting blade is formed to protrude on an outer peripheral surface of the die roll body. The anvil roll includes an anvil roll body, a groove is provided on an outer peripheral surface of the anvil roll body, and the cutting blade is engageable with the groove with a space.Type: ApplicationFiled: August 22, 2022Publication date: March 2, 2023Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, SANJO MACHINE WORKS, LTD., KOTO ENGRAVING CO., LTD.Inventors: Akinori TOMIOKA, Takuya SUKEDA, Naoki HIRAI, Yoshikiyo KONDO, Masaaki SHIMIZU, Isamu SAKAYORI, Kojiro KATAOKA, Hiroshi MISONO
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Publication number: 20220417054Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (35) is coupled to a trunk network and performs input/output of a signal to/from an in-vehicle device via a plurality of device side communication ports. A signal conversion section (35a, 35b) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a trunk side communication port and an analog port. A second signal conversion section (70) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a digital port (49) and a predetermined in-vehicle device (353).Type: ApplicationFiled: July 10, 2020Publication date: December 29, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
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Publication number: 20220416555Abstract: Electronic devices include: a first electronic device capable of being always supplied with power; and a second electronic device capable of being supplied with the power through an operation by an occupant. Each of power supply hubs is located near the first electronic device, and connected to a battery or another one of the power supply hubs by one of main power supply lines. Each of the first and second electronic devices is connected to nearby one of the power supply hubs. Each of zone ECUs outputs a control signal to one of power supply ICs so as to distribute, to the first and second electronic devices, the power supplied to one of the power supply hubs by one of the main power supply lines.Type: ApplicationFiled: June 15, 2020Publication date: December 29, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
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Publication number: 20220381809Abstract: A ring-shaped power supply system includes: a plurality of relays provided apart from each other on a ring-shaped power supply wire; a plurality of detectors, each provided between ones of the relays, for detecting an electrical change caused by a break when such a break has occurred in the ring-shaped power supply wire; and an arithmetic processor that localizes the point of the break in the ring-shaped power supply wire based on electrical changes detected by the plurality of detectors and cuts off ones of the relays located on both sides of the break point.Type: ApplicationFiled: July 8, 2020Publication date: December 1, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
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Publication number: 20220355861Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (22) is provided in a vehicle body and is coupled to a trunk network through which a digital control signal is transmitted. A sub hub device (241, 242) performs input/output of a signal to/from an in-vehicle device provided in a partial body assembled to the vehicle body via a movable portion. The sub hub device (241, 242) is provided in the partial body and the digital control signal is transmitted/received between the sub hub device (241, 242) and the network hub device (22) via a wire harness passing through the movable portion.Type: ApplicationFiled: July 10, 2020Publication date: November 10, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
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Publication number: 20220289128Abstract: An in-vehicle power supply structure, in which a vehicle is divided into a plurality of zones and a power supply hub for connecting an electronic device is provided in each of the zones, includes a break detection wire routed along a power supply wire, for detecting damage to the power supply wire caused by an external force acting on the vehicle by its own damage. Both ends of the break detection wire are connected to power supply hubs placed adjacent to each other.Type: ApplicationFiled: July 8, 2020Publication date: September 15, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
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Publication number: 20220286321Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (30) is coupled to a trunk network through which a digital control signal is transmitted via a communication port (41) and performs input/output of a signal to/from an in-vehicle device via a communication port (42 to 48). A distributing/aggregating section (51) distributes digital control signals received by the communication port (41) to a plurality of signal paths, aggregates digital control signals received via the plurality of signal paths, and transmits an aggregated signal to the communication port (41). A signal conversion section (60) is provided between one of the signal paths and a communication port (45 to 48), and one of the signal paths is coupled to the communication port (42).Type: ApplicationFiled: July 10, 2020Publication date: September 8, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
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Publication number: 20220266780Abstract: An onboard power source system includes: a main power source unit that supplies power; one or a plurality of power source hubs; a plurality of electronic devices; and a main power feeding cable that connects the one or plurality of power source hubs to the main power source unit, in which an electronic device related to power among the plurality of electronic devices and an electronic device related to traveling or safety among the plurality of electronic devices are connected to different power source hubs.Type: ApplicationFiled: July 17, 2020Publication date: August 25, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
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Publication number: 20220266781Abstract: An in-vehicle power supply system includes first to sixth power supply hubs connected to a main feed line routed from a battery, electronic devices connected to the first to sixth power supply hubs, and a relay configured to turn ON or OFF energization of each of the electronic devices. The relay includes a mechanical relay used for an electronic device whose current consumption is higher than or equal to 10 A, and the relay includes a semiconductor relay used for an electronic device whose current consumption is lower than 10 A. The mechanical relay is disposed outside a space of a vehicle cabin and inside a body of a vehicle, the space of the vehicle cabin being surrounded by a water seal that blocks entry of water from an outside of the vehicle into the vehicle cabin.Type: ApplicationFiled: July 17, 2020Publication date: August 25, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
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Publication number: 20220266779Abstract: An in-vehicle power supply system includes: a main power supply configured to supply power; one or more power supply hubs; a plurality of electronic devices; a main power cable configured to connect the one or more power supply hubs to the main power supply; a sub power cable configured to connect each of the plurality of electronic devices to any one of the one or more power supply hubs; and a control unit configured to turn on/off power supply to each of the plurality of electronic devices through a power supply hub connected to the electronic device. For the plurality of electronic devices, a predetermined voltage is specified, and it is designed so that, while power is supplied to the plurality of electronic devices connected to the one or more power supply hubs, the predetermined voltage of at least one of the plurality of electronic devices is ensured.Type: ApplicationFiled: July 21, 2020Publication date: August 25, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
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Publication number: 20220266799Abstract: An in-vehicle power supply system includes multiple power supply hubs, multiple electronic device, which are connected to the power supply hubs through auxiliary feeder cables, and a control unit which controls on and off of power supply to the electronic devices. The control unit has an approach determination unit, which determines whether a passenger has approached the vehicle, and a power supply start controller, which switches on power supply to at least one of the electronic devices when the approach determination unit determines that the passenger has approached the vehicle.Type: ApplicationFiled: July 21, 2020Publication date: August 25, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
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Publication number: 20220203909Abstract: An in-vehicle power supply system includes first to sixth power supply hubs connected to a main feed line, electronic devices connected to the first to sixth power supply hubs via a sub feed line, and a control device configured to control power feeding to the electronic devices. The control device is configured to control, based on a condition regarding a current consumption of the electronic devices, power feeding to the electronic devices such that the current consumption of the electronic devices is lower than an allowable current consumption that is predetermined in accordance with a scene of using a vehicle.Type: ApplicationFiled: July 22, 2020Publication date: June 30, 2022Applicant: Mazda Motor CorporationInventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
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Publication number: 20220180097Abstract: A measurement system includes: measurement target information database that stores measurement point information, including measurement conditions and guidance information for each measurement point, associated with the type of the measurement target; a measuring instrument that performs measurements on the measurement target; an image capturing unit that captures an image of a subject; a display unit; a measurement target identification unit that identifies the type of the measurement target based on the image captured by the image capturing unit; a measurement target information obtaining unit for obtaining the measurement point information corresponding to the type of the measurement target identified by the measurement target identification unit from the measurement target information database; and a setting unit that displays the guidance information included in the measurement point information obtained by the measurement target information obtaining unit on the display unit and sets the measurement conType: ApplicationFiled: November 9, 2021Publication date: June 9, 2022Applicant: MITUTOYO CORPORATIONInventors: Takanori ASAMIZU, Masaaki SHIMIZU