Patents by Inventor Nobuhiko Inui
Nobuhiko Inui has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240141222Abstract: The heat-conducting resin sheet according to an aspect of the present invention comprises a thermally conductive plate-shaped particle, a thermally conductive spherical particle, and a resin, wherein the heat-conducting resin sheet has a thermal conductivity of 5 W/m·K or more and a 30% compressive strength B of 1500 kPa or less as measured at a compression rate of 1.0 mm/min. Furthermore, a volume ratio of the thermally conductive plate-shaped particle to the thermally conductive spherical particle (volume of thermally conductive plate-shaped particle/volume of thermally conductive spherical particle) is 30/70 to 90/10, and the total volume of the thermally conductive plate-shaped particle and the thermally conductive spherical particle is 30 to 90% by volume. According to the present invention, there can be provided a heat-conducting resin sheet that is excellent in the thermal conductivity and flexibility and can suppress the increase in the stress even when compressed quickly.Type: ApplicationFiled: March 10, 2021Publication date: May 2, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuuki HOSHIYAMA, Kento TSUCHIYA, Nobuhiko INUI
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Patent number: 11940458Abstract: A measurement tool includes: a measurement tool body including a sample collection unit for collecting a liquid sample by a capillary phenomenon, and a liquid feed channel; and a lid body attachable to and detachable from the measurement tool body. The liquid feed channel includes an upstream side channel and a downstream side channel. A space is defined, into which an upstream side end of the sample collection unit and a downstream side end of the upstream side channel open, when the lid body is attached to the measurement tool body. The downstream side channel is connected to a downstream side end of the sample collection unit. The space is open when the lid body is separated from the measurement tool body, and the space is closed and the upstream side channel and the sample collection unit are connected when the lid body is attached to the measurement tool body.Type: GrantFiled: November 21, 2019Date of Patent: March 26, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tsutomu Nakamura, Kazuhiko Imamura, Nobuhiko Inui, Ryousuke Takahashi
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Publication number: 20230333070Abstract: Provided is an inspection chip with simplified channel switching structure, which is generally complicated.Type: ApplicationFiled: September 14, 2021Publication date: October 19, 2023Applicants: SEKISUI CHEMICAL CO., LTD., SEKISUI MEDICAL CO., LTD.Inventors: Shoutarou KOBARU, Takamasa KOUNO, Nobuhiko INUI, Kazuhiko IMAMURA, Sou YAMAGUCHI, Katsura UCHIDA, Tatsunori TAKAMATSU
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Publication number: 20230145735Abstract: A microchannel chip (1) includes: a first channel (201); a reagent holder (230); a gas inlet (210) communicating with the first channel; a lid (50) closing the gas inlet; and a second channel (202) provided downstream of the first channel. A specimen holder (240) is provided downstream of the reagent holder (230). When the lid (50) closes the gas inlet (210), gas is supplied to the first channel (201) and pushes out the reagent downstream from the reagent holder (230). Thus, the pushed-out reagent merges with a specimen in the second channel (202).Type: ApplicationFiled: September 28, 2020Publication date: May 11, 2023Inventors: Kazuhiko IMAMURA, Nobuhiko INUI
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Publication number: 20220348858Abstract: Provided is a cell culture scaffold material having excellent cell adhesion. The cell culture scaffold material according to the present invention contains a peptide-conjugated polyvinyl alcohol derivative having a polyvinyl alcohol derivative portion and a peptide portion, and the peptide portion has a cyclic peptide skeleton.Type: ApplicationFiled: May 15, 2020Publication date: November 3, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Daigo KOBAYASHI, Mayumi YUKAWA, Kenta TAKAKURA, Ryoma ISHII, Hiroki IGUCHI, Yuuhei ARAI, Satoshi HANEDA, Nobuhiko INUI
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Publication number: 20220325221Abstract: Provided is a cell culture scaffold material having excellent extensibility of pseudopodia and excellent cell proliferation. The cell culture scaffold material according to the present invention contains a peptide-conjugated polyvinyl alcohol derivative having a polyvinyl alcohol derivative portion and a peptide portion, and has a hydroxyl value of 1,100 mgKOH/g or less.Type: ApplicationFiled: May 15, 2020Publication date: October 13, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kenta TAKAKURA, Mayumi YUKAWA, Daigo KOBAYASHI, Ryoma ISHII, Hiroki IGUCHI, Yuuhei ARAI, Satoshi HANEDA, Nobuhiko INUI
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Publication number: 20220235307Abstract: Provided is a cell culture scaffold capable of allowing cell masses to be formed easily and efficiently. A cell culture scaffold according to the present invention includes a substrate; and a protrusion formed by patterning in a pattern of a dot or a line on the substrate, wherein the protrusion contains a synthetic resin, the synthetic resin contains at least a polyvinyl alcohol derivative or a poly(meth)acrylic resin, the protrusion has cell adhesion, and a portion of the protrusion located at the protrusion center position in plan view has an average height of 10 nm or more and 10 ?m or less.Type: ApplicationFiled: July 31, 2020Publication date: July 28, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuuhei ARAI, Nobuhiko INUI, Satoshi HANEDA, Hiroki IGUCHI
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Publication number: 20220226823Abstract: Provided is a liquid supply method capable of accurately mixing a plurality of liquids without providing a complicated liquid supply control mechanism. A liquid supply method using an inspection chip 1, the liquid supply method including: a step of supplying a first liquid from an upstream flow path 4A to a combined flow path 7 and making the first liquid wet and spread on a wall surface of the combined flow path 7 to hold the first liquid in the combined flow path 7; a step of supplying a second liquid from the upstream flow path 4A to the combined flow path 7 and combining the first liquid and the second liquid; and a step of supplying the combined first liquid and the second liquid to a mixing flow path 8, and mixing the first liquid and the second liquid.Type: ApplicationFiled: June 23, 2020Publication date: July 21, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takamasa KOUNO, Nobuhiko INUI, Tsutomu NAKAMURA, Shoutarou KOBARU, Kazuhiko IMAMURA, Ryousuke TAKAHASHI, Tomoya SASAKI
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Publication number: 20220227898Abstract: Provided is a resin film formed of a cell culture scaffold material, which has excellent fixation of cells after seeding and is capable of enhancing proliferation rate of cells. A resin film formed of a cell culture scaffold material, in which the cell culture scaffold material contains a synthetic resin, and the resin film has phase-separated structure including least a first phase and a second phase, and a ratio of the surface area of one of the first phase and the second phase to the entire surface is 0.01 or more and 0.95 or less.Type: ApplicationFiled: May 15, 2020Publication date: July 21, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroki IGUCHI, Yuuhei ARAI, Nobuhiko INUI, Mayumi YUKAWA, Daigo KOBAYASHI, Yuuta NAKAMURA, Kenta TAKAKURA, Satoshi HANEDA, Ryoma ISHII
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Publication number: 20220196693Abstract: Provided is a chip that does not require high-accuracy discharge amount control for a liquid delivery pump and can suppress the entrainment of air bubbles.Type: ApplicationFiled: April 20, 2020Publication date: June 23, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuhiko IMAMURA, Tsutomu NAKAMURA, Nobuhiko INUI, Ryousuke TAKAHASHI
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Patent number: 11291993Abstract: Provided is a micro-fluid chip that enables reducing contamination between branch channels, has a relatively simple channel structure and facilitates miniaturization. A micro-fluid chip (1) having a channel structure (3) through which a fluid is delivered, wherein the channel structure (3) includes: a main channel (4) having an inflow port (5) and an outflow port (6); a plurality of branch channels (11) to (13) connected to the main channel (4), each branch channel having an inflow end on a side connected to the main channel (4) and an outflow end that is an end portion on an opposite side to the inflow end; and a sub-branch channel (14) connected to the main channel (4) between at least one pair of adjacent branch channels (11) and (12) among the plurality of branch channels (11) to (13), the sub-branch channel (14) having an inflow end on a side connected to the main channel (4).Type: GrantFiled: November 21, 2018Date of Patent: April 5, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuhiko Imamura, Nobuhiko Inui, Shotaro Kobaru, Takamasa Kouno, Tatsunori Takamatsu, Ryoma Ishii, Ryosuke Takahashi, Tsutomu Nakamura
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Publication number: 20220090048Abstract: Provided is a nucleic acid isolation method whereby it becomes possible to extract a nucleic acid in a simple manner without the need to use an alcohol. A nucleic acid isolation method, comprising the steps of: mixing a specimen containing a nucleic acid with an extraction solution to disperse the nucleic acid in the extraction solution; bringing the extraction solution containing the nucleic acid into contact with an anionic adsorbent; bringing a washing solution into contact with the anionic adsorbent; and bringing a collection solution into contact with the anionic adsorbent, the extraction solution containing a protein denaturant, the washing solution containing a basic compound and having a pH value equal to or less than a pKa value of a conjugate acid of the basic compound, and the collection solution having a pH value equal to or more than the pKa value of the conjugate acid of the basic compound.Type: ApplicationFiled: January 17, 2020Publication date: March 24, 2022Applicants: SEKISUI CHEMICAL CO., LTD., SEKISUI MEDICAL CO., LTD.Inventors: Takamasa KOUNO, Nobuhiko INUI, Tsutomu NAKAMURA, Tomoya SASAKI, Sou YAMAGUCHI, Katsura UCHIDA
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Publication number: 20210263059Abstract: To provide a measurement tool and a liquid feeding method in the measurement tool in which loss of a quantitatively collected liquid sample is unlikely to occur and measurement accuracy may be improved.Type: ApplicationFiled: November 21, 2019Publication date: August 26, 2021Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tsutomu NAKAMURA, Kazuhiko IMAMURA, Nobuhiko INUI, Ryousuke TAKAHASHI
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Publication number: 20210239690Abstract: Provided is an implement for inspection capable of measuring the concentration of a test substance with high accuracy. The implement for inspection according to the present invention is an implement for inspection used for measuring the concentration of a test substance that includes a compound for reacting with a test substance to form a granular substance or a compound which is for being bound to the test substance and is a granular substance, and a wall portion having a periodic structure on its surface.Type: ApplicationFiled: April 22, 2021Publication date: August 5, 2021Inventors: Yoshinori Akagi, Nobuhiko Inui, Kazuhiko Imamura, Takamasa Kouno, Shigeru Nomura, Tatsuro Endo
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Patent number: 11016087Abstract: Provided is an implement for inspection capable of measuring the concentration of a test substance with high accuracy. The implement for inspection according to the present invention is an implement for inspection used for measuring the concentration of a test substance that includes a compound for reacting with a test substance to form a granular substance or a compound which is for being bound to the test substance and is a granular substance, and a wall portion having a periodic structure on its surface.Type: GrantFiled: February 9, 2017Date of Patent: May 25, 2021Assignees: SEKISUI CHEMICAL CO., LTD., UNIVERSITY PUBLIC CORPORATION OSAKAInventors: Yoshinori Akagi, Nobuhiko Inui, Kazuhiko Imamura, Takamasa Kouno, Shigeru Nomura, Tatsuro Endo
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Publication number: 20210121881Abstract: Provided is a micro fluid device capable of reliably performing measurement of a fluid into a branched flow path and dispensing of a predetermined amount of a fluid into a plurality of the branched flow paths.Type: ApplicationFiled: May 25, 2018Publication date: April 29, 2021Inventors: Kazuhiko Imamura, Nobuhiko Inui, Shotaro Kobaru, Takamasa Kouno, Tatsunori Takamatsu, Ryoma Ishii
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Publication number: 20200276581Abstract: Provided is a micro-fluid chip that enables reducing contamination between branch channels, has a relatively simple channel structure and facilitates miniaturization. A micro-fluid chip 1 having a channel structure 3 through which a fluid is delivered, wherein the channel structure 3 includes: a main channel 4 having an inflow port 5 and an outflow port 6; a plurality of branch channels 11 to 13 connected to the main channel 4, each branch channel having an inflow end on a side connected to the main channel 4 and an outflow end that is an end portion on an opposite side to the inflow end; and a sub-branch channel 14 connected to the main channel 4 between at least one pair of adjacent branch channels 11 and 12 among the plurality of branch channels 11 to 13, the sub-branch channel 14 having an inflow end on a side connected to the main channel 4.Type: ApplicationFiled: November 21, 2018Publication date: September 3, 2020Inventors: Kazuhiko Imamura, Nobuhiko Inui, Shotaro Kobaru, Takamasa Kouno, Tatsunori Takamatsu, Ryoma Ishii, Ryosuke Takahashi, Tsutomu Nakamura
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Patent number: 10435533Abstract: Provided is a resin composite material having a small number of voids and excellent tenacity. The resin composite material may be one obtained by mixing a carbon material having a graphene structure and having a content of less than 1 weight % of a volatile component volatilizable at 200° C. and a thermoplastic resin. The resin composite material may be a resin composite material including a carbon material having a graphene structure and a thermoplastic resin, the resin composite material containing 5 parts by weight or more of the carbon material per 100 parts by weight of the thermoplastic resin and having a breaking strain of 50% or more as measured according to JIS K 7161.Type: GrantFiled: February 20, 2015Date of Patent: October 8, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuhiro Sawa, Taichi Hamada, Daisuke Mukohata, Nobuhiko Inui
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Patent number: 10377838Abstract: Provided is a resin composite material in which a carbon material with a graphene structure is dispersed in a synthetic resin and which has a high mechanical strength and a low linear expansion coefficient and a method for producing the resin composite material. A resin composite material contains a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin, wherein the synthetic resin is grafted onto the carbon material and the grafting ratio thereof onto the carbon material is 5% to 3300% by weight. A method for producing a resin composite material includes the steps of: preparing a resin composite containing a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin; and grafting the synthetic resin onto the carbon material concurrently with or after the step of preparing the resin composite.Type: GrantFiled: September 2, 2011Date of Patent: August 13, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Nobuhiko Inui, Daisuke Mukohata, Mitsuru Naruta, Kensuke Tsumura, Kazuhiro Sawa, Katsunori Takahashi, Koji Taniguchi
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Publication number: 20190240655Abstract: The present invention provides a microchip that allows to highly accurately control a transported amount of a fluid. The microchip 1 includes: a container 3 encapsulating a liquid reagent X (fluid) filled in the container 3; and a substrate 2 including an accommodation section 4 in which the container 3 is placed. The accommodation section 4 includes a top surface and a bottom surface 2b. The accommodation section 4 is opened to the top surface of the substrate 2. At least a part of the inflow passage 5 that is connected to the accommodation section 4 and into which a medium for transporting the liquid reagent X flows is provided on the substrate 2. At least a part of the outflow passage 6 that is connected to the accommodation section 4 and through which the liquid reagent X flows out is provided on the substrate 2. The microchip 1 further includes a sheet member 7 that is provided on the top surface of the substrate 2 so as to close the opening of the accommodation section 4.Type: ApplicationFiled: September 7, 2017Publication date: August 8, 2019Inventors: Tatsunori Takamatsu, Nobuhiko Inui, Shotaro Kobaru, Takamasa Kouno