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公开(公告)号：US20180209838A1
公开(公告)日：2018-07-26
申请号：US15907783
申请日：2018-02-28
发明人： Tomoya MIYATA , Kunio HIYAMA , Seiichiro IIDA , Hiroshi KOIKE , Hidekazu KODAMA
IPC分类号： G01H11/08 , G10H3/14 , H01L41/053 , H01L41/113 , H01L41/193
摘要： A sensor unit capable of protecting a piezoelectric element and detecting vibration and sound is provided. The sensor unit comprises a sheet-like piezoelectric element having a porous layer, and a sound propagation sheet covering at least one face of the piezoelectric element and permitting transmission of sound from a first face toward a second face of the sound propagation sheet. A difference in acoustic pressure level between the sound incident on the sound propagation sheet and the transmitted sound is preferably no greater than 10 dB. A surface density of the sound propagation sheet is preferably from 0.03 g/m2 to 100 g/m2. The sound propagation sheet is preferably flexible and preferably has voids. The sensor unit preferably further comprises a sound insulation sheet covering another face of the piezoelectric element and substantially preventing transmission of sound from a second face toward a first face of the sound insulation sheet.
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公开(公告)号：US20200309592A1
公开(公告)日：2020-10-01
申请号：US16888033
申请日：2020-05-29
发明人： Tomoya MIYATA , Kunio HIYAMA , Seiichiro IIDA , Hiroshi KOIKE , Hidekazu KODAMA
IPC分类号： G01H11/08 , H01L41/193 , H01L41/053 , H01L41/113 , G10H3/14
摘要： A sensor unit capable of protecting a piezoelectric element and detecting vibration and sound is provided. The sensor unit comprises a sheet-like piezoelectric element having a porous layer, and a sound propagation sheet covering at least one face of the piezoelectric element and permitting transmission of sound from a first face toward a second face of the sound propagation sheet. A difference in acoustic pressure level between the sound incident on the sound propagation sheet and the transmitted sound is preferably no greater than 10 dB. A surface density of the sound propagation sheet is preferably from 0.03 g/m2 to 100 g/m2. The sound propagation sheet is preferably flexible and preferably has voids. The sensor unit preferably further comprises a sound insulation sheet covering another face of the piezoelectric element and substantially preventing transmission of sound from a second face toward a first face of the sound insulation sheet.
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公开(公告)号：US20190311702A1
公开(公告)日：2019-10-10
申请号：US16463400
申请日：2017-11-29
发明人： Hiroshi KOIKE , Yutaro SUGAMATA , Seiichiro IIDA , Kunio HIYAMA , Suguru SASAKI , Hidekazu KODAMA
IPC分类号： G10H3/14 , H01L41/193 , H01L41/047
摘要： Provision of a piezoelectric element which uses a lightweight and flexible electret material and an electrode layer which is also lightweight, has high conductivity and good flexibility to easily receive electrical signals from an electret, and has good durability. Additionally, provision of a musical instrument provided with such a piezoelectric element. A piezoelectric element comprising an electrode layer (B) on at least one surface of an electret material (A) having pores inside, wherein a porosity of the electret material (A) is 20 to 80%, the electrode layer (B) contains 20 to 70 mass % of a carbon fine particle, and a thickness of the electrode layer (B) is 2 to 100 μm.
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公开(公告)号：US20210001255A1
公开(公告)日：2021-01-07
申请号：US17040782
申请日：2019-03-27
申请人： YUPO CORPORATION
发明人： Yutaro SUGAMATA , Hiroshi KOIKE , Seiichiro IIDA
IPC分类号： B01D39/16 , B32B3/28 , B32B5/18 , B32B27/06 , B32B27/20 , B32B27/32 , B01D46/00 , B01D46/52 , B03C3/28 , B03C3/47
摘要： The electret-treated sheet includes: a core layer (A) which is a porous film containing at least a thermoplastic resin; a surface layer (X) disposed on one side of the core layer (A); and a back surface layer (Y) disposed on the other side of the core layer (A), the surface layer (X) and the back surface layer (Y) each having a charged outermost surface, wherein the electret-treated sheet has a water vapor permeability coefficient of 0.1 to 2.5 g·mm/m2·24 hr; the core layer (A) has a pore aspect ratio of 5 to 50 and an average pore height of 2.5 to 15 μm; the surface layer (X) and the back surface layer (Y) each have a thickness of 5 to 200 μm; and the surface layer (X) includes a heat seal layer (B) including the outermost surface, wherein the heat seal layer (B) has a melting point of 50 to 140° C.
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公开(公告)号：US20160193814A1
公开(公告)日：2016-07-07
申请号：US14916407
申请日：2014-09-04
申请人： YUPO CORPORATION
发明人： Hiroshi KOIKE , Yuichi YAHAGI
CPC分类号： B32B27/08 , B32B7/00 , B32B7/02 , B32B7/04 , B32B7/06 , B32B27/00 , B32B27/06 , B32B27/16 , B32B27/32 , B32B27/34 , B32B27/36 , B32B2307/20 , B32B2307/204 , B32B2307/40 , B32B2307/412 , B32B2307/50 , B32B2307/732 , B32B2307/748 , B32B2307/75 , B32B2405/00 , B32B2457/20 , B32B2590/00 , G09F7/12 , G09F2007/125
摘要： The present invention provides a double-sided adhesive sheet with which non-adhesive printed matter such as an advertisement can be attached to an adherend as a display object without using a pressure-sensitive adhesive, or the like, wherein air remaining is unlikely to occur when the sheet is attached to the adherend. The present invention is an electrostatic adsorbable sheet which is laminated by means of electrostatic adsorption, a protective layer (B) comprising a dielectric film on at least one surface of a support layer (A) comprising a thermoplastic resin film having undergone charging treatment; and an electrostatic adsorbable sheet which is laminated by means of electrostatic adsorption, a protective layer (B) comprising a dielectric film having undergone charging treatment on at least one surface of a support layer (A) comprising a thermoplastic resin film.
摘要翻译： 本发明提供一种双面粘合片，通过这种双面粘合片，可以将不粘性印刷物例如广告作为显示对象附着到被粘物上而不使用压敏粘合剂等，其中不容易发生剩余的空气 当片材附着到被粘物上时。 本发明是通过静电吸附层叠的静电吸附片，在包含经过充电处理的热塑性树脂膜的支撑层（A）的至少一个表面上的包含电介质膜的保护层（B） 以及通过静电吸附层压的静电吸附片，包含在包含热塑性树脂膜的支撑层（A）的至少一个表面进行充电处理的电介质膜的保护层（B）。
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公开(公告)号：US20200009489A1
公开(公告)日：2020-01-09
申请号：US16491627
申请日：2018-03-07
申请人： YUPO CORPORATION
发明人： Yutaro SUGAMATA , Hiroshi KOIKE , Seiichiro IIDA
摘要： An object of the present invention is to provide a low pressure-loss type of filter which has a high dust collecting capability and suppresses the lowering of the dust collecting capability even after cleaning. The present invention relates to an electret-treated sheet including at least a surface layer, a high dielectric layer and a back-surface layer, while having the high dielectric layer between the surface layer and the back-surface layer, wherein the surface layer and the back-surface layer are each a thermoplastic resin film having a relative dielectric constant of smaller than 6 at 100 kHz; the high dielectric layer is a material having a relative dielectric constant of 6 or larger at 100 kHz; and the surface layer and the back-surface layer each have a static charge due to electrostatically charge; and to a filter using the same.
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公开(公告)号：US20190185720A1
公开(公告)日：2019-06-20
申请号：US16330172
申请日：2017-09-12
申请人： ZEON CORPORATION , YUPO CORPORATION
发明人： Shinsuke ASHIDA , Atsushi SONE , Tamio SHIKANO , Hiroshi KOIKE
CPC分类号： C09J7/29 , B32B5/32 , B32B27/00 , B32B27/08 , B32B27/30 , B32B27/32 , B32B2250/242 , B32B2255/10 , B32B2255/26 , C08J9/30 , C08J9/365 , C08J2333/10 , C09J7/401 , C09J11/06 , C09J133/00 , C09J2205/114 , C09J2400/243 , C09J2400/283 , C09J2433/006 , G09F3/10
摘要： Provided is a laminated sheet including an upper paper layer and a release sheet layer, the upper paper layer including synthetic paper and an adsorbing layer, the synthetic paper, the adsorbing layer and the release sheet layer, in order, being laminated, wherein the adsorbing layer is a foam sheet of a resin composition, the resin composition containing crosslinking resultant of 100 parts by mass of a (meth)acrylic acid ester copolymer resin and 1 to 20 parts by mass of a carbodiimide crosslinking agent, the (meth)acrylic acid ester copolymer resin having a N-methylol group, a glass transition temperature of the (meth)acrylic acid ester copolymer resin being no more than −10° C., the release sheet layer consists of a thermoplastic resin sheet, and a rate of tensile elastic moduli is 0.1 to 10, the rate being calculated from a tensile elastic modulus of the upper paper layer and a tensile elastic modulus of the release sheet layer, and a peel strength of the adsorbing layer and the release sheet layer is 5 to 30 N/m, the laminated sheet using a new foamed resin layer having well-balanced properties, the amount of formaldehyde emitted from which is extremely small, as the adsorbing layer, the release sheet and the adsorbing layer having a proper release force.
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公开(公告)号：US20160250649A1
公开(公告)日：2016-09-01
申请号：US15028849
申请日：2014-10-15
申请人： YUPO CORPORATION
发明人： Hiroshi KOIKE , Yuichi YAHAGI , Seiichiro IIDA
CPC分类号： B03C3/64 , B01D39/1623 , B01D39/1692 , B01D46/0032 , B01D46/526 , B01D2239/0435 , B01D2239/065 , B01D2239/069 , B03C3/28 , B03C3/41 , B03C3/47 , B03C2201/10
摘要： An object of the present invention is to provide a low pressure loss filter having a high dust- and dirt-collecting capability and excellent workability and sustainability of collecting capability. The filter of the present invention is a filter having air channels formed using an electret sheet; a porosity of the electret sheet being from 1 to 70%; an air channel cross-sectional ratio of the filter being from 10 to 99%; and a volume charge density of the filter being from 10 to 5000 nC/cm3.
摘要翻译： 本发明的目的是提供一种具有高灰尘和集尘能力以及优异的可加工性和收集能力的可持续性的低压力损失过滤器。 本发明的过滤器是具有使用驻极体片形成的空气通道的过滤器， 驻极体片材的孔隙率为1〜70％。 过滤器的空气通道横截面积比为10至99％; 并且过滤器的体积电荷密度为10至5000nC / cm 3。
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公开(公告)号：US20220267564A1
公开(公告)日：2022-08-25
申请号：US17630715
申请日：2020-07-29
申请人： YUPO CORPORATION
发明人： Ryota TOYAMA , Hiroshi KOIKE , Yutaro SUGAMATA
IPC分类号： C08K3/26
摘要： To suppress a decrease over time in the adhesion of ink to a thermoplastic resin film, provided is a thermoplastic resin film containing an inorganic filler, wherein at least one surface of the thermoplastic resin film satisfies the following formula (1) and formula (2): 0.8≤S1/S0≤1.0 (1) 3.0≤S0 (2) wherein S0 represents an oxygen atom concentration (atm %) before a washing treatment (A) is carried out, S1 represents the oxygen atom concentration (atm %) after the washing treatment (A) is carried out, the oxygen atom concentration is a ratio of the number of oxygen atoms to a sum of the number of oxygen atoms and the number of carbon atoms measured by XPS (X-ray photoelectron spectroscopy) (number of oxygen atoms/(number of oxygen atoms+number of carbon atoms)), and the washing treatment (A) is a washing treatment carried out using distilled water.
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公开(公告)号：US20190393806A1
公开(公告)日：2019-12-26
申请号：US16481983
申请日：2018-01-31
申请人： YUPO CORPORATION
发明人： Hiroshi KOIKE , Yutaro SUGAMATA , Seiichiro IIDA
IPC分类号： H02N1/08 , H01L41/18 , H01L41/113 , H01L41/253 , H01L41/047 , H01L41/193
摘要： Provided is an energy conversion film excellent in charge retention performance and suppressed in deterioration of piezoelectricity even if it is exposed to a high temperature environment and an energy conversion element and the like using the film. An energy conversion element comprising: an energy conversion film at least comprises a charged resin film consisting of a resin film at least containing a thermoplastic resin and a metal soap; and an electrode provided on at least one of the two surfaces of the energy conversion film.
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