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公开(公告)号：US10926229B2
公开(公告)日：2021-02-23
申请号：US16823636
申请日：2020-03-19
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masaru Banju , Takashi Kondo , Junko Watanabe
IPC: B01D71/02 , B01D63/08 , B01D65/00 , B01D46/24 , B01D29/01 , B01D29/05 , C12M1/12 , B01D69/10 , B01D46/00 , B01D69/02 , C12M1/26 , C12M1/00 , B01D29/03
Abstract: A filtration filter is suitable for performing cross-flow filtration by using a metallic porous membrane. A metallic porous membrane has a membrane portion for filtering filtration objects contained in a fluid and a held portion provided at its outer periphery. A first frame member and a second frame member hold the held portion of the metallic porous membrane there between. The held portion has a bent portion bent to a second principal surface side opposing a first principal surface of the membrane portion. The first frame member is in contact with the held portion at the first principal surface side of the metallic porous membrane. The second frame member is disposed at an inner side portion of the first frame member and is in contact with the held portion at the second principal surface side of the metallic porous membrane.
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公开(公告)号：US20200346144A1
公开(公告)日：2020-11-05
申请号：US16933321
申请日：2020-07-20
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Shusuke Yokota , Masaru Banju , Toshikazu Kawaguchi , Takashi Kondo
Abstract: A filtration filter that includes a filter section having a plurality of through-holes passing through a first main surface and constructed such that objects to be filtered contained in a liquid are captured and a second main surface opposite the first main surface; and a frame section surrounding an outer periphery of the filter section, wherein a first film thickness at a center of the filter section is larger than a second film thickness of the filter section at a position closer to the frame section than the center of the filter section.
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公开(公告)号：US20200298150A1
公开(公告)日：2020-09-24
申请号：US16895357
申请日：2020-06-08
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Seiji Kamba , Takashi Kondo , Masaru Banju
Abstract: A separation recovery system for separating and recovering an object to be separated includes a metal porous membrane which has a first principal surface and a second principal surface facing the first principal surface and has a plurality of through-holes extending between the first principal surface and the second principal surface, a supply device which supplies a first fluid containing the object to be separated from the first principal surface of the metal porous membrane toward the second principal surface, and a backwash device which supplies a second fluid containing a plurality of particles larger than a size of the plurality of through-holes of the metal porous membrane in a direction from the second principal surface of the metal porous membrane toward the first principal surface.
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公开(公告)号：US10729993B2
公开(公告)日：2020-08-04
申请号：US15484617
申请日：2017-04-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takashi Kondo , Yoshiji Okamoto , Seiji Kamba
IPC: B01D46/00 , B01D33/01 , B01D63/08 , C12M1/00 , B01D33/82 , B01D39/20 , B01D46/16 , C12M1/26 , B01D33/00 , B01D39/10
Abstract: A filtration filter comprises a porous film including a central film portion having a plurality of through holes and an outer edge portion adjacent to the central film portion. The porous film portion lies in a flat plane in the absence of a force being applied to the central portion of the central film portion. A frame holds the outer edge portion of the porous film in such a manner that when a force is applied to the central film portion in a first direction, the central film portion moves in the first direction relative to the flat plane and the outer edge portion moves in a second direction, opposite to the first direction, relative to the flat plane. In this way stresses applied to the porous film during a filtering operation are reduced.
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公开(公告)号：US20190276789A1
公开(公告)日：2019-09-12
申请号：US16408829
申请日：2019-05-10
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Junko Watanabe , Takashi Kondo , Masaru Banju
IPC: C12M1/00
Abstract: A liquid cell culture medium collecting filter unit includes a porous metal membrane that filters out cells in a liquid cell culture medium, a support that holds a peripheral portion of the porous metal membrane. and a tubular member that has a hollow part serving a flow path for a liquid cell culture medium. The tubular member is connected to the support such that the flow path faces at least part of a main surface of the porous metal membrane.
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Patent Agency Ranking
公开(公告)号：US20190118125A1
公开(公告)日：2019-04-25
申请号：US16227340
申请日：2018-12-20
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masaru Banju , Junko Watanabe , Takashi Kondo , Shogo Tokoi , Yoshio Oda , Ayami Sawai
Abstract: A filtration filter device that includes a filtration filter that filters an object to be filtered that a fluid contains, and a holding member that holds an outer circumferential portion of the filtration filter. An annular projecting portion that projects in a thickness direction of the holding member and that defines a channel through which the fluid flows is formed on one main surface of the holding member. A recessed portion that is recessed in the thickness direction of the holding member and that has an inner diameter larger than an inner diameter of the projecting portion is formed on the other main surface of the holding member. The filtration filter is disposed inside the projecting portion of the holding member.
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公开(公告)号：US20180353881A1
公开(公告)日：2018-12-13
申请号：US16106621
申请日：2018-08-21
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Wataru Yamamoto , Masaru Banju , Takashi Kondo
CPC classification number: B01D39/10 , B01D39/20 , B01D71/02 , B01D2239/1291 , C12M1/12 , C12M1/26 , C12M33/14 , C12M47/04 , G01N1/04 , G01N1/34 , G01N1/4077 , G01N2001/4088
Abstract: A cell-capturing filter that filters out cells includes a metallic porous film having a plurality of through holes that extend through a first main surface and a second main surface, which are opposite to each other. The metallic porous film includes a filtering portion including the plurality of through holes, and a frame portion disposed to surround an outer periphery of the filtering portion. In the filtering portion, a first film thickness of the metallic porous film at a center of the filtering portion is smaller than a second film thickness of the metallic porous film at a portion located closer to the frame portion than the center of the filtering portion.
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公开(公告)号：US20180021709A1
公开(公告)日：2018-01-25
申请号：US15719911
申请日：2017-09-29
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Wataru Yamamoto , Takashi Kondo , Masaru Banju
CPC classification number: B01D39/10 , B01D29/012 , B01D29/05 , B01D35/30 , B01D2201/184
Abstract: A filtration filter includes a porous metal film that filters out a filtration object contained in a fluid, and a support base member that is disposed on at least one main surface of the porous metal film and that supports the porous metal film. The support base member has an opening that exposes a part of the porous metal film. An inner peripheral surface of the opening has undulations formed along its periphery.
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公开(公告)号：US20170203260A1
公开(公告)日：2017-07-20
申请号：US15475804
申请日：2017-03-31
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takashi Kondo , Masaru Banju , Seiichi Matsumoto , Seiji Kamba , Wataru Yamamoto , Yoshiji Okamoto
CPC classification number: B01D71/022 , B01D39/12 , B01D46/10 , B01D63/08 , B01D65/00 , B01D2313/025 , B01D2313/04
Abstract: A filtration filter comprises a metallic mesh having a circumferential shape and radially inner and outer portions. The metallic mesh is adapted to filter out a filtration target object contained in a fluid passing through the membrane. First and second frame members hold the outer portion there between so as to create first and second bent sections separated by a transition section extending between the first and second bent sections. The transition section includes at least one streaked projection.
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公开(公告)号：US20170074790A1
公开(公告)日：2017-03-16
申请号：US15341438
申请日：2016-11-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takashi Kondo , Seiji Kamba , Naoki Kawara , Takashi Shimzu
IPC: G01N21/3586 , G01N21/01 , G01N33/00
CPC classification number: G01N21/3586 , G01N21/01 , G01N21/3581 , G01N33/0009 , G01N2021/3595
Abstract: A measurement method measures an amount of substance of an analyte in a sample fluid passing through a perforated structure having a pair of principal surfaces opposed to each other and having a plurality of cavity portions extending through both of the principal surfaces. An elapsed time from a time when the sample fluid begins passing through the perforated structure or a predetermined time thereafter to a time when a characteristic value of the perforated structure reaches a predetermined threshold. The elapsed time is used to determine the amount (the concentration) of substance of the analyte.
Abstract translation: 测量方法测量通过具有彼此相对的一对主表面的多孔结构的样品流体中的分析物的物质的量，并且具有延伸穿过两个主表面的多个空腔部分。 从样品流体开始穿过穿孔结构或其后的预定时间到穿孔结构的特征值达到预定阈值时的经过时间。 经过时间用于确定分析物物质的量（浓度）。
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