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公开(公告)号:US20220037576A1
公开(公告)日:2022-02-03
申请号:US17296392
申请日:2019-11-14
Applicant: NEC Corporation
Inventor: Akihiro KIRIHARA , Masahiko ISHIDA , Koichi TERASHIMA , Yuma IWASAKI , Ryohto SAWADA , Yasutomo OMORI
Abstract: A portable power supply according to the present invention is provided with a combustion device (20) and a heating container (30) that retains an object to be heated, wherein at least a part of a portion of the heating container, the portion being directly heated by the combustion device, is provided with a magnetic metal plate (32) that has spontaneous magnetization and that generates electromotive force due to an anomalous Nernst effect induced by the heating, and wherein electrodes (33a, 33b) for drawing power are provided. Thus, the heating container for generating electricity has a simple configuration, and furthermore the portable power supply is provided with both the heating container and the combustion device.
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公开(公告)号:US20210366666A1
公开(公告)日:2021-11-25
申请号:US17286619
申请日:2019-10-25
Applicant: NEC Corporation
Inventor: Akihiro KIRIHARA , Yuma IWASAKI , Masahiko ISHIDA , Koichi TERASHIMA , Ryohto SAWADA
Abstract: Provided are an exterior body and an abnormality detector capable of suppressing bulking even when a heat generation detection function is provided. The exterior body of an electronic device generates heat during operation and is characterized by being provided with a magnetic body that is at least a portion of the exterior body, that has spontaneous magnetization, and that generates an electromotive force by exhibiting an abnormal Nernst effect through heat generation of the electronic device, wherein an electrode for extracting power is provided to the magnetic body.
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公开(公告)号:US20210066567A1
公开(公告)日:2021-03-04
申请号:US17007124
申请日:2020-08-31
Applicant: NEC CORPORATION
Inventor: Yasutomo OMORI , Akihiro KIRIHARA , Yuma IWASAKI , Masahiko ISHIDA , Koichi TERASHIMA , Hiroko SOMEYA , Sadanori HATTORI
Abstract: A magnetic alloy material according to the present disclosure is an iron-aluminum-terbium based magnetic alloy material containing a total of 70 atomic percent or more of three elements of iron, aluminum, and terbium.
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公开(公告)号:US20200034367A1
公开(公告)日:2020-01-30
申请号:US16493862
申请日:2018-03-06
Applicant: NEC Corporation
Inventor: Yuma IWASAKI , Masahiko ISHIDA , Akihiro KIRIHARA , Koichi TERASHIMA , Hiroko SOMEYA , Ryohto SAWADA
IPC: G06F16/2455 , G06N20/00 , G06F16/25 , G06N3/08
Abstract: A relation search system includes: a storage means (1) which stores a data set which includes a first-type data group and a second-type data group which are two types of data group that are acquired by different methods; a data adaptation means (2) which either corrects or reconstructs either first data which belongs to the first-type data group or second data which belongs to the second-type data group and which is associated with the first data, such that a divergence which arises between the first data and the second data because of the difference in the methods for the acquisition thereof is reduced; and a learning means (3) which, using the data set which includes the corrected or reconstructed data, carries out machine learning.
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公开(公告)号:US20170301847A1
公开(公告)日:2017-10-19
申请号:US15350923
申请日:2016-11-14
Applicant: NEC Corporation , TOHOKU UNIVERSITY
Inventor: Akihiro KIRIHARA , Hiroyuki Endoh , Takashi Manako , Kenichi Uchida , Eiji Saitoh
Abstract: A thermoelectric conversion apparatus includes a substrate, and a power generation part formed on the substrate for generating a thermoelectric power. The power generation part includes a magnetic layer with magnetization and an electrode layer including a material exhibiting a spin-orbit interaction and formed on the magnetic layer. The substrate and the power generation part have flexibility, respectively. The thermoelectric conversion apparatus further includes a cover layer having flexibility and formed on the substrate so as to cover at least the power generation part. The magnetic layer includes magnetic layer pieces separated in a layer direction with a gap portion interposed between the magnetic layer pieces.
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公开(公告)号:US20220326094A1
公开(公告)日:2022-10-13
申请号:US17641897
申请日:2019-09-25
Applicant: NEC Corporation
Inventor: Akihiro KIRIHARA , Masahiko ISHIDA , Yuma IWASAKI , Yasutomo OMORI , Hiroko SOMEYA , Sadanori HATTORI
Abstract: A heat-flow sensor that includes an insulating layer, a magnetic field application layer arranged on a first surface of the insulating layer and composed of a conductor, and a heat-flow detection layer arranged on a second surface of the insulating layer, the second surface facing the first surface, and the heat-flow detection layer composed of a conductive magnetic body. The heat-flow detection layer faces the magnetic field application layer via the insulating layer.
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公开(公告)号:US20210395865A1
公开(公告)日:2021-12-23
申请号:US17296360
申请日:2019-11-21
Applicant: NEC Corporation
Inventor: Yuma IWASAKI , Masahiko ISHIDA , Akihiro KIRIHARA , Koichi TERASHIMA , Ryohto SAWADA , Hiroko SOMEYA , Yasutomo OMORI
Abstract: A magnetic alloy material that includes iron and cobalt as main components and at least one element selected from the group containing of platinum, gold, and iridium.
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公开(公告)号:US20200313062A1
公开(公告)日:2020-10-01
申请号:US16651914
申请日:2018-08-13
Applicant: NEC CORPORATION
Inventor: Yuma IWASAKI , Masahiko ISHIDA , Akihiro KIRIHARA , Koichi TERASHIMA , Ryohto SAWADA , Hiroko SOMEYA
IPC: H01L37/04
Abstract: A thermoelectric conversion element 10 includes an anomalous Nernst material 11 having the anomalous Nernst effect, in which: the anomalous Nernst material 11 includes at least an element having the inverse spin-Hall effect; and the element is spin-polarized. By applying, for example, a magnetic field to such the thermoelectric conversion element 10 in the x direction and a temperature gradient thereto in the z direction, thermoelectromotive force can be taken out from terminals 12.
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公开(公告)号:US20200020842A1
公开(公告)日:2020-01-16
申请号:US16495591
申请日:2018-03-13
Applicant: NEC CORPORATION
Inventor: Masahiko ISHIDA , Akihiro KIRIHARA , Yuma IWASAKI
Abstract: [Problem] To provide a heat exchange device with which efficient electric power generation can be performed while transfer of a heat amount is maintained. [Solution] A heat exchange device comprising a heat exchange section 1 and a magnetic body 2. The heat exchange section 1 includes a first heat transmission interface 3 in contact with a heat source, and a second heat transmission interface 4 in contact with a heat bath having a temperature different from that of the heat source. The magnetic body 2 is interposed between the first heat transmission interface 3 and the second heat transmission interface 4 of the heat exchange section 1, and includes a magnetization component in a direction intersecting a heat flux produced between the first heat transmission interface 3 and the second heat transmission interface 4.
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公开(公告)号:US20180033940A1
公开(公告)日:2018-02-01
申请号:US15549910
申请日:2016-02-17
Applicant: NEC CORPORATION
Inventor: Akihiro KIRIHARA , Masahiko ISHIDA , Kazuki IHARA , Yuma IWASAKI , Hiroko SOMEYA
CPC classification number: H01L35/22 , G11C11/161 , G11C11/1675 , H01L27/105 , H01L29/82 , H01L35/28 , H01L35/34 , H01L37/00 , H01L43/04 , H01L43/065 , H01L43/08 , H01L43/10
Abstract: A spin current-electric current conversion structure using a material containing 5d-transition metal has low efficiency of spin current-electric current conversion; therefore, a spin current-electric current conversion structure according to an exemplary aspect of the present invention includes a 4d-transition metal oxide structure consisting primarily of an oxide containing a 4d-transition-metal element; a spin current input-output structure configured to allow a spin current to flow into and out in a direction perpendicular to a plane of the 4d-transition metal oxide structure; and an electric current input-output structure configured to allow an electric current to flow into and out, the electric current conducting in an in-plane direction of the 4d-transition metal oxide structure.
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