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公开(公告)号：US11965785B2
公开(公告)日：2024-04-23
申请号：US17220971
申请日：2021-04-02
Inventor： Yuta Moriura , Yui Sawada , Shinobu Masuda , Hironobu Ukitsu , Takashi Matsumoto , Mitsutaka Matsumoto
Abstract: Provided is a pressure-sensitive element having more sufficient expandability, a relatively wide measurement range of pressure force, and a relatively simple structure, and an electronic device using the pressure-sensitive element. The pressure-sensitive element includes a plurality of first electrodes being elongated in first direction, arranged in a first plane, and including a conductive elastic body, a plurality of second electrodes being elongated in second direction intersecting the first direction, arranged in a second plane facing the first plane, and including a conductor wire, and a plurality of dielectrics covering a surface of the plurality of second electrodes. The plurality of second electrodes have bent parts K arranged periodically, and capacitance at intersections of the plurality of first electrodes and the plurality of second electrodes changes in accordance with pressure force applied between the plurality of first electrodes and the plurality of second electrodes.
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公开(公告)号：US20200350535A1
公开(公告)日：2020-11-05
申请号：US16935106
申请日：2020-07-21
Inventor： Yuta Moriura , Kenichi Ono , Hironobu Ukitsu , Shinobu Masuda , Yui Sawada , Seiichi Hatakenaka
IPC: H01M2/10 , H01M10/48 , H01M10/6571 , H01M10/6555 , H01M10/615 , H01M10/44
Abstract: The present invention provides a secondary battery in which effective utilization of the installation space for a pressure sensitive sensor and a heater is more sufficiently achieved and high rate deterioration and electrolytic solution deterioration can be more sufficiently detected. The present invention relates to a secondary battery including: one or more battery cells; a case for housing the battery cells; and a heater provided between a battery cell in contact with the case and the case and/or between two battery cells adjacent to each other among the battery cells, in which the heater serves as a pressure sensitive sensor that detects a pressure distribution between the battery cell in contact with the case and the case and/or between the two battery cells adjacent to each other.
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公开(公告)号：US11740141B2
公开(公告)日：2023-08-29
申请号：US17354907
申请日：2021-06-22
Inventor： Susumu Uragami , Hiroyuki Furuya , Yuta Moriura , Takashi Matsumoto , Hironobu Ukitsu , Shinobu Masuda , Mitsutaka Matsumoto , Yui Sawada
IPC: G01L1/14
CPC classification number: G01L1/144
Abstract: Provided is a pressure-sensitive element having a relatively wide measurement range of a pressing force and a relatively simple structure while having more sufficient stretchability. A pressure-sensitive element includes a base material, a plurality of conductor wires, a plurality of dielectrics, and a filamentous member. The base material includes an elastic conductor having elasticity and conductivity. Further, the base material has a sheet shape. The plurality of conductor wires are arranged in parallel so as to individually intersect with the elastic conductor in plan view. Further, each of the plurality of conductor wires has a plurality of inflection parts. The plurality of dielectrics are arranged between the elastic conductor and the plurality of conductor wires. The filamentous member elongates so as to intersect with the plurality of conductor wires in plan view. Further, the filamentous member sews the plurality of conductor wires to the base material.
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公开(公告)号：US20200018656A1
公开(公告)日：2020-01-16
申请号：US16577297
申请日：2019-09-20
Inventor： Yui Sawada , Tetsuyoshi Ogura , Yuta Moriura , Shinobu Masuda , Keiji Noine
IPC: G01L1/14
Abstract: The present disclosure has an object of providing a tactile sensor having a simple structure and capable of detecting a shear force, and a tactile sensor unit constituting the tactile sensor. The present disclosure relates to a tactile sensor unit including: a plurality of pressure-sensitive elements each including a first substrate including a first electrode, a second electrode disposed facing the first electrode, and a dielectric disposed between the first electrode and the second electrode; and an external force acting portion disposed on and across the plurality of pressure-sensitive elements, wherein, when a shear force is applied to the external force acting portion, at least a part of the pressure-sensitive elements change in inter-electrode electrostatic capacitance.
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公开(公告)号：US09752940B2
公开(公告)日：2017-09-05
申请号：US14962958
申请日：2015-12-08
Inventor： Tetsuyoshi Ogura , Keiji Noine , Kenichi Ezaki , Shinobu Masuda
CPC classification number: G01L1/142 , G01L9/0072
Abstract: A pressure sensing element of an aspect of the present disclosure includes a first electrode including at least one protrusion having elasticity; a second electrode facing the at least one protrusion; and a dielectric disposed between the first electrode and the second electrode and including a first dielectric and a second dielectric. The first dielectric is disposed between a top of the at least one protrusion and the second electrode, and is in contact with each of the top of the at least one protrusion and the second electrode. The second dielectric is disposed between a first portion of the first electrode, the first portion not including the at least one protrusion, and the first dielectric.
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Patent Agency Ranking
公开(公告)号：US11421929B2
公开(公告)日：2022-08-23
申请号：US16740232
申请日：2020-01-10
Inventor： Seiji Yamahira , Yuta Moriura , Akihiro Odagawa , Kazuya Niki , Shinobu Masuda , Yui Sawada , Keiji Noine
Abstract: A food management system that manages food items in a refrigerator includes: a pressure-sensitive sensor that acquires information including shapes, weights, and positions of the food items; a comparator that performs comparison of the information acquired at different times; and an identifier that identifies at least one of (i) fluctuations in the number of food items or (ii) presence or absence of the food items.
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公开(公告)号：US11137297B2
公开(公告)日：2021-10-05
申请号：US16577297
申请日：2019-09-20
Inventor： Yui Sawada , Tetsuyoshi Ogura , Yuta Moriura , Shinobu Masuda , Keiji Noine
IPC: G01L1/14
Abstract: The present disclosure has an object of providing a tactile sensor having a simple structure and capable of detecting a shear force, and a tactile sensor unit constituting the tactile sensor. The present disclosure relates to a tactile sensor unit including: a plurality of pressure-sensitive elements each including a first substrate including a first electrode, a second electrode disposed facing the first electrode, and a dielectric disposed between the first electrode and the second electrode; and an external force acting portion disposed on and across the plurality of pressure-sensitive elements, wherein, when a shear force is applied to the external force acting portion, at least a part of the pressure-sensitive elements change in inter-electrode electrostatic capacitance.
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公开(公告)号：US10908034B2
公开(公告)日：2021-02-02
申请号：US16349070
申请日：2017-11-02
Inventor： Yuta Moriura , Tetsuyoshi Ogura , Shinobu Masuda , Keiji Noine , Yui Sawada
Abstract: The present disclosure provides a pressure-sensitive element having a relatively wide pressing force measurement range and a relatively simple structure. Pressure-sensitive element is provided with pressure-sensitive part that receives pressing force and detector that detects the pressing force, and has a structure described below. That is, pressure-sensitive part has first conductive member that has elasticity, second conductive member, and dielectric body. Dielectric body is disposed between first conductive member and second conductive member, and at least partially covers the surface of first conductive member or second conductive member. Detector detects pressing force based on a variation in electrostatic capacitance between first conductive member and second conductive member.
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公开(公告)号：US10078027B2
公开(公告)日：2018-09-18
申请号：US15063690
申请日：2016-03-08
Inventor： Shinobu Masuda , Keiji Noine , Tetsuyoshi Ogura , Kenichi Ezaki
IPC: G01L9/00
CPC classification number: G01L9/0073
Abstract: A pressure sensing element according to one aspect of the present disclosure includes a first electrode including at least one protrusion, a second electrode facing the at least one protrusion, and a dielectric disposed between the first electrode and the second electrode. The dielectric includes a first dielectric and a second dielectric. The first dielectric is disposed between a top of the at least one protrusion and the second electrode, and is in contact with each of the top of the at least one protrusion and the second electrode. The second dielectric is disposed between a first portion of the first electrode and the first dielectric. The first portion does not include the at least one protrusion. The at least one protrusion has a higher elastic modulus than the first dielectric.
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10.发明授权公开(公告)号：US09904395B2
公开(公告)日：2018-02-27
申请号：US15075225
申请日：2016-03-21
Inventor： Tetsuyoshi Ogura , Keiji Noine , Shinobu Masuda , Kenichi Ezaki
CPC classification number: G06F3/0414 , G01L1/144 , G01L1/146 , G01L9/12 , G06F3/044 , G06F2203/04106
Abstract: A pressure sensor according to an aspect of the present disclosure includes: a first pressure sensitive element including a first conductive layer including first projections having conductivity, first wiring layers, and a first dielectric layer provided between the first projections and the first wiring layers; and a second pressure sensitive element including a second conductive layer including second projections having conductivity, second wiring layers, and a second dielectric layer provided between the second projections and the second wiring layers. The first pressure sensitive element and the second pressure sensitive element are stacked on each other.
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