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公开(公告)号：US10989700B2
公开(公告)日：2021-04-27
申请号：US15747794
申请日：2016-07-22
申请人： Hitachi, Ltd.
发明人： Sukekazu Aratani , Hiroshi Sasaki , Toyotaka Yuasa , Kohhei Aida , Yasuhiko Tada , Masahiro Kawasaki
IPC分类号： G01N31/22 , G01K11/16 , G01K3/04 , G01K11/12 , B32B29/00 , G01K11/18 , G01N33/02 , G01N33/15
摘要： A purpose of the present invention is to provide a temperature history indicator that allows for visual confirmation of whether the temperature is at or below a prescribed temperature as well as simple conversion of this information into data. A temperature history indicator according to the present invention is characterized by being provided with a label layer and a temperature-indicating layer laminated above or below the label layer, wherein the temperature-indicating layer includes a substance having at crystallization starting temperature of 10° C. or lower and a melting point at least 20° C. higher than the crystallization starting temperature.
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公开(公告)号：US10894425B2
公开(公告)日：2021-01-19
申请号：US16301925
申请日：2017-03-08
申请人： Hitachi, Ltd.
发明人： Kohhei Aida , Yasuhiko Tada , Hiroshi Sasaki , Masahiro Kawasaki
IPC分类号： B41J2/045 , B41J2/195 , C09D11/50 , B41J2/21 , G01K11/12 , B41J2/01 , B41J2/175 , B43K5/18 , B42D25/378
摘要： This printing device is provided with a first ink container that contains a first ink; a second ink container that contains a second ink; temperature adjusting units that adjust the temperature of the first ink contained in the first ink container and/or the temperature of the second ink contained in the second ink container; a nozzle that sprays the inks; and a control unit that controls the first temperature adjusting unit and the second temperature adjusting unit.
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公开(公告)号：US10086313B2
公开(公告)日：2018-10-02
申请号：US14897844
申请日：2014-06-19
申请人： HITACHI, LTD.
发明人： Keisuke Shibuya , Yasuhiko Tada , Takeyuki Kondo , Sei Murakami
摘要： An object of the present invention is to separate a material to be separated at a low cost and constant accuracy when the material to be separated is separated from a mobile phase containing the material to be separated through the passing of the mobile phase through a stationary phase, even if the mobile phase has a large volume. A separation device characterized in that a separation column provided with a stationary phase having a volume capable of processing the entire volume of a mobile phase containing a material to be separated is provided, the separation column is replaceable, and the usage count of the stationary phase reaches a lifetime count through the processing of one batch.
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公开(公告)号：US11105690B2
公开(公告)日：2021-08-31
申请号：US16303417
申请日：2017-04-07
申请人： Hitachi, Ltd.
摘要： To address the problem of providing a temperature history indicator capable of specifying a time when a temperature deviated from a set temperature range, a temperature history indicator according to the present invention is characterized in being provided with a substrate and temperature indicators that irreversibly change color upon deviation from a set temperature range, and in that a plurality of the temperature indicators are provided on the substrate, the temperatures at which the temperature indicators change color a within ±2° C. of each other, and the temperature indicators change color after different amounts of time from deviation from the set temperature range.
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公开(公告)号：US11008415B2
公开(公告)日：2021-05-18
申请号：US16322833
申请日：2017-07-07
申请人： HITACHI, LTD.
发明人： Yuri Kajihara , Takahito Muraki , Yasuhiko Tada , Jun Nunoshige , Takeshi Kondo
摘要： In a conventional self-healing material, although the resin properties after self-healing are restored to the same level as the initial refractoriness and strength of the resin, no further extension of life can be expected. A resin cured product according to the present invention includes: a first vinyl monomer having an ester bond; a second vinyl monomer having a hydroxyl group; a transesterification reaction catalyst; and a boron compound.
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公开(公告)号：US10983013B2
公开(公告)日：2021-04-20
申请号：US15769593
申请日：2015-10-21
申请人： HITACHI, LTD.
发明人： Yasuhiko Tada , Masahiro Kawasaki , Kohhei Aida , Hiroshi Sasaki , Toyotaka Yuasa , Hiroyuki Kagawa
摘要： The present invention addresses the problem of providing a temperature sensing body capable of sensing both a temperature increase and a temperature decrease, and having an anti-tampering function. In order to solve said problem, this temperature sensing body is characterized by including: a first ink in which a temperature Ta1 for initiating color disappearance when the temperature rises and a temperature Td1 for initiating color development when the temperature falls are different; and a second ink in which a temperature Ta2 for initiating color disappearance when the temperature rises and a temperature Td2 for initiating color development when the temperature falls are different, wherein the temperature Ta1 for initiating color disappearance, the temperature Td1 for initiating color development, the temperature Ta2 for initiating color disappearance, and the temperature Td2 for initiating color development have the relationship, Td1
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