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公开(公告)号：US20230245837A1
公开(公告)日：2023-08-03
申请号：US18298610
申请日：2023-04-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masaki NAGATA , Yasuhiro SHIMIZU
Abstract: A capacitor that includes: a base material having: a substrate; a first conductive portion on at least one main surface of the substrate; and an insulating-resin layer on a surface of the first conductive portion; a plurality of fibrous conductive cores, a first end portion of each of the plurality of the fibrous conductive cores being in contact with the first conductive portion through the insulating-resin layer; a dielectric layer covering a portion of the plurality of the fibrous conductive cores exposed from the base material; a conductive polymer layer covering the dielectric layer such that gaps are provided in spaces between the plurality of the fibrous conductive cores; and a second conductive portion in contact with the conductive polymer layer at a second end portion of the plurality of the fibrous conductive cores.
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公开(公告)号：US20210315117A1
公开(公告)日：2021-10-07
申请号：US17347704
申请日：2021-06-15
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuhiro SHIMIZU , Kiyoyuki NAKAGAWA
Abstract: An electronic component storage container includes a main body including recesses to store electronic components and positioned along a longitudinal direction of the main body and respectively including openings on one side in a height direction of the main body, a cover sheet to cover the openings of the recesses and removably attached to the main body, and a cover positioned such that the cover sheet is between the cover and the main body and engaged with the main body, slidably in the longitudinal direction. The cover includes a guide section to guide sliding movement relative to the main body, and a fitting section engageable with the main body in the height direction. The main body includes a strip section engageable with the guide section to allow the main body to be held by the cover in the height direction.
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43.发明申请公开(公告)号：US20210112691A1
公开(公告)日：2021-04-15
申请号：US17038639
申请日：2020-09-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuhiro SHIMIZU
Abstract: An electronic component package includes a base tape having an elongated shape and including housing portions, each of which houses an electronic component, and a cover tape covering the base tape. The electronic component package includes first and second seal portions welded to sandwich the housing portions between the first and second seal portions and be parallel or substantially parallel to a longitudinal direction x of the electronic component package. A peeling strength of the first seal portion between the base tape and the cover tape is higher than a peeling strength of the second seal portion between the base tape and the cover tape.
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公开(公告)号：US20210107715A1
公开(公告)日：2021-04-15
申请号：US17037853
申请日：2020-09-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuhiro SHIMIZU , Kiyoyuki NAKAGAWA
IPC: B65D75/36
Abstract: A reel for a taping electronic component package with a tape including multiple recesses and electronic components housed in the respective recesses includes a core around which the taping electronic component package is to be wound, a pair of flanges that are located at respective ends of the core and that face each other across the core in an axial direction, and a separating portion that irreversibly separates the flanges.
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公开(公告)号：US20210101730A1
公开(公告)日：2021-04-08
申请号：US17017744
申请日：2020-09-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuhiro SHIMIZU
Abstract: An electronic component array includes a base tape including paper and having approximately elongated and substantially planar shape, the base tape being provided with a plurality of accommodation recesses provided in a longitudinal direction of the base tape; a plurality of electronic components; and a cover tape. The electronic component array includes a first bonding portion in which openings of the respective accommodation recesses are covered by the cover tape in a state where the electronic components are included in the respective accommodation recesses, and a second bonding portion in which openings of the respective accommodation recesses are covered by the cover tape in a state where the electronic components are not included in the respective accommodation recesses. A peel strength of the second bonding portion is about 10% or more and about 70% or less of a peel strength of the first bonding portion.
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Patent Agency Ranking
公开(公告)号：US20210080619A1
公开(公告)日：2021-03-18
申请号：US17108035
申请日：2020-12-01
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masaki NAGATA , Yasuhiro SHIMIZU , Kenji NISHIYAMA
Abstract: An optical device includes a protective cover and a driver. An outer surface of the protective cover includes a first region having higher hydrophobicity than a second region. The first region is separated from the second region by a first boundary line extending from a starting point deviating from a center point of the protective cover in the direction toward an outer edge portion of the protective cover and a second boundary line extending from the starting point in the direction toward the outer edge portion of the protective cover, and which is located on a side where the center point is not included. Among angles defined by the first and second boundary lines, an angle on the side where the center point is not included is equal to or less than about 180°.
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公开(公告)号：US20210061186A1
公开(公告)日：2021-03-04
申请号：US17098682
申请日：2020-11-16
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Kenji NISHIYAMA , Yasuhiro SHIMIZU , Masaki NAGATA
Abstract: An optical unit includes an optical sensor, a protective cover disposed in a direction of view from the optical sensor, an actuator to drive the protective cover, and a casing including a space between the casing and the protective cover and to which the optical sensor and the protective cover are attached. A first region on the casing adjacent to an outer edge of the protective cover with the space interposed between the casing and the outer edge of the protective cover is a hydrophobic region where a contact angle of a droplet is equal to or larger than a predetermined angle.
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公开(公告)号：US20200064382A1
公开(公告)日：2020-02-27
申请号：US16672561
申请日：2019-11-04
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masaaki TAKATA , Yasuhiro SHIMIZU
Abstract: A current sensor includes a magnetic sensor, a magnetic sensor, a first calculator, a second calculator, and an output. The first magnetic sensor senses a magnetic field to generate a first sensor signal and a second sensor signal. The second magnetic sensor senses a magnetic field having a phase opposite to that of the magnetic field sensed by the first magnetic sensor in accordance with the current to generate a third sensor signal and a fourth sensor signal. The first calculator receives the first sensor signal and the third sensor signal to generate a first arithmetic signal. The second calculator receives the second sensor signal and the fourth sensor signal to generate a second arithmetic signal. The output receives the first arithmetic signal and the second arithmetic signal and generates an output signal based on the respective signals that are input.
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公开(公告)号：US20200033384A1
公开(公告)日：2020-01-30
申请号：US16590447
申请日：2019-10-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Noritaka KISHI , Yasuhiro SHIMIZU
Abstract: A current sensor that outputs an output signal according to a signal magnetic field that is generated by a current to be measured is provided. The current sensor includes at least one magnetic sensor, a temperature sensor, an amplifier, and an offset adjusting circuit. The magnetic sensor generates a sensor signal commensurate with the signal magnetic field. The temperature sensor detects an ambient temperature. The amplifier amplifies the sensor signal at an amplification rate commensurate with the detected temperature and generates the output signal. The offset adjusting circuit adjusts an offset of the output signal. The offset adjusting circuit adjusts an offset in accordance with a relationship (mathematical expression) that holds between an output signal under no signal magnetic field and an amplification rate corresponding to the temperature.
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公开(公告)号：US20190041432A1
公开(公告)日：2019-02-07
申请号：US16152589
申请日：2018-10-05
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuhiro SHIMIZU
Abstract: An electric current sensor includes at least one permanent magnet and at least one magnetosensitive body that detects a to-be-measured magnetic field in a state in which a bias magnetic field is applied thereto from the permanent magnet. The permanent magnet is shaped such that the value of a permeance coefficient obtained when taking the application direction of the to-be-measured magnetic field as the magnetization direction is less than or equal to about 1.5 times the value of the permeance coefficient in a magnetization direction of the permanent magnet.
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