Patents by Inventor Yasuhiko Tada
Yasuhiko Tada 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: 20230104790Abstract: Provided is a method for evaluating a sample, the method including using a mixture containing a sample including at least one member selected from the group consisting of cell support-derived components, a cell suspension containing cells, an evaluation sample obtained from a cell suspension, a sample containing a liquid and microcarriers for use in cell culture, and a sample containing a liquid obtained following treatment of microcarriers, together with at least one substance selected from the group consisting of an aromatic compound having at least one functional group selected from the group consisting of a hydroxyl group, an amino group, a nitro group and a carbonyl group, and a fluorescent dye.Type: ApplicationFiled: September 25, 2020Publication date: April 6, 2023Applicant: Showa Denko Materials Co., Ltd.Inventors: Masashi Maruyama, Hirotaka Sakuma, Yushi Sato, Yasuhiko Tada
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Publication number: 20220315898Abstract: One embodiment relates to a method for manufacturing a cell suspension, the method including (A), (B) and (C) described below: (A) culturing adherent cells in a cell suspension containing the adherent cells, a microcarrier and a medium, and having a volume of at least 0.3 L, (B) culturing the adherent cells in a cell suspension containing the adherent cells obtained through (A), a microcarrier and a medium, and having a volume of at least 5 L, and (C) culturing the adherent cells in a cell suspension containing the adherent cells obtained through (B), a microcarrier and a medium, and having a volume of at least 10 L.Type: ApplicationFiled: December 22, 2020Publication date: October 6, 2022Applicant: Showa Denko Materials Co., Ltd.Inventors: Shangwu Chen, Fumiko Nakagawa, Yasuhiko Tada, Masahiro Okanojo, Yushi Sato, Yuma Suzuki, Katsuhiko Nakashima, Ryosuke Takahashi
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Publication number: 20220306980Abstract: Apparatus, system, and method are disclosed for cell recovery or cell separation. A cell separation system has at least a first container having a first filter for separating a first removal target from a suspension comprising cells and a removal target including at least the first removal target and a second removal target; a cell separation apparatus; a first flow path connecting the first container and the cell separation apparatus; and a first pump interposed in the first flow path for transferring the suspension from the first container to the cell separation apparatus by decompression suction, for example.Type: ApplicationFiled: December 15, 2020Publication date: September 29, 2022Applicant: SHOWA DENKO MATERIALS CO., LTD.Inventors: Yushi Sato, Masahiro Okanojo, Shangwu Chen, Katsuhiko Nakashima, Ryosuke Takahashi, Yasuhiko Tada
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Patent number: 11105690Abstract: 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.Type: GrantFiled: April 7, 2017Date of Patent: August 31, 2021Assignee: Hitachi, Ltd.Inventors: Yasuhiko Tada, Tomotoshi Ishida, Hiroshi Sasaki, Kohhei Aida, Masahiro Kawasaki
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Patent number: 11008415Abstract: 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.Type: GrantFiled: July 7, 2017Date of Patent: May 18, 2021Assignee: HITACHI, LTD.Inventors: Yuri Kajihara, Takahito Muraki, Yasuhiko Tada, Jun Nunoshige, Takeshi Kondo
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Patent number: 10989700Abstract: 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.Type: GrantFiled: July 22, 2016Date of Patent: April 27, 2021Assignee: Hitachi, Ltd.Inventors: Sukekazu Aratani, Hiroshi Sasaki, Toyotaka Yuasa, Kohhei Aida, Yasuhiko Tada, Masahiro Kawasaki
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Patent number: 10983013Abstract: 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<Td2<Ta1<Ta2.Type: GrantFiled: October 21, 2015Date of Patent: April 20, 2021Assignee: HITACHI, LTD.Inventors: Yasuhiko Tada, Masahiro Kawasaki, Kohhei Aida, Hiroshi Sasaki, Toyotaka Yuasa, Hiroyuki Kagawa
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Patent number: 10894425Abstract: 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.Type: GrantFiled: March 8, 2017Date of Patent: January 19, 2021Assignee: Hitachi, Ltd.Inventors: Kohhei Aida, Yasuhiko Tada, Hiroshi Sasaki, Masahiro Kawasaki
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Publication number: 20190316975Abstract: 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.Type: ApplicationFiled: April 7, 2017Publication date: October 17, 2019Inventors: Yasuhiko TADA, Tomotoshi ISHIDA, Hiroshi SASAKI, Kohhei AIDA, Masahiro KAWASAKI
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Publication number: 20190286176Abstract: 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.Type: ApplicationFiled: March 8, 2017Publication date: September 19, 2019Applicant: Hitachi, Ltd.Inventors: Kohhei AIDA, Yasuhiko TADA, Hiroshi SASAKI, Masahiro KAWASAKI
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Publication number: 20190202959Abstract: 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.Type: ApplicationFiled: July 7, 2017Publication date: July 4, 2019Applicant: HITACHI, LTD.Inventors: Yuri KAJIHARA, Takahito MURAKI, Yasuhiko TADA, Jun NUNOSHIGE, Takeshi KONDO
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Patent number: 10253362Abstract: The purpose of the present invention is to provide a DNA transport control device having excellent reliability and durability, and a DNA sequencing device that uses the DNA transport control device. The present invention provides a DNA transport control device having a nanopore which allows for the passage of only the DNA strand of a single molecule, and a DNA sequencing device that uses the DNA transport control device. The DNA transport control device is characterized by the following: including a base material having openings and a thin film a block copolymer formed on the base material; the thin film including microdomains that are formed as a result of self-assembly of the block copolymer and that penetrate the thin film, and a matrix surrounding the microdomains; and the nanopore being formed from one opening in the base material and a single microdomain.Type: GrantFiled: November 4, 2014Date of Patent: April 9, 2019Assignee: Hitachi High-Technologies CorporationInventors: Hiroshi Yoshida, Rena Akahori, Yasuhiko Tada, Shohei Terada, Takanobu Haga, Takashi Anazawa
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Publication number: 20180306649Abstract: 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<Td2<Ta1<Ta2.Type: ApplicationFiled: October 21, 2015Publication date: October 25, 2018Applicant: HITACHI, LTD.Inventors: Yasuhiko TADA, Masahiro KAWASAKI, Kohhei AIDA, Hiroshi SASAKI, Toyotaka YUASA, Hiroyuki KAGAWA
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Patent number: 10086313Abstract: 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.Type: GrantFiled: June 19, 2014Date of Patent: October 2, 2018Assignee: HITACHI, LTD.Inventors: Keisuke Shibuya, Yasuhiko Tada, Takeyuki Kondo, Sei Murakami
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Publication number: 20180215129Abstract: A functionally graded material according to the present invention adopts, for example, the following configuration. A functionally graded material is constituted by laminating a plurality of resin compositions. Among the plurality of resin compositions, a first resin composition has a different property from a second resin composition adjacent to the first resin composition. An interface between the first resin composition and the second resin composition is joined by a dynamic covalent bond.Type: ApplicationFiled: July 31, 2015Publication date: August 2, 2018Applicant: HITACHI, LTD.Inventors: Yasuhiko TADA, Takahito MURAKI, Yuri KAJIHARA, Takeshi KONDO, Tadashi ARAI
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Publication number: 20180217114Abstract: 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.Type: ApplicationFiled: July 22, 2016Publication date: August 2, 2018Inventors: Sukekazu ARATANI, Hiroshi SASAKI, Toyotaka YUASA, Kohhei AIDA, Yasuhiko TADA, Masahiro KAWASAKI
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THERMOSETTING RESIN COMPOSITION, ELECTRONIC PART, ELECTRIC MACHINE COIL, ELECTRIC MACHINE, AND CABLE
Publication number: 20180086876Abstract: It is an object of the present invention to provide a thermosetting resin composition which allows stress relaxation in an ester exchange reaction and the long-term use of the thermosetting resin composition having such a structure. A thermosetting resin composition of the present invention contains: an ester bond; and a functional group protected by a protecting group. The functional group is deprotected by external stimulus. The functional group and the ester bond can be subjected to an ester exchange reaction.Type: ApplicationFiled: January 26, 2015Publication date: March 29, 2018Applicant: HITACHI, LTD.Inventors: Yasuhiko TADA, Takahito MURAKI, Yuri KAJIHARA -
Publication number: 20180009955Abstract: A resin produced by a conventional technique has a weak nature in terms of hydrolysis resistance. For example, in a case where the resin produced by a conventional technique is used in an area with a highly humid climate such as Japan for a long period of time, deterioration of the resin due to hydrolysis becomes a concern. A resin composition is described that is optimized in the molecular structure design of the resin and in the catalyst in order to improve the hydrolysis resistance. Specifically, the resin composition contains (1) a copolymer of a vinyl compound having two or more epoxy groups, a carboxylic acid anhydride, and a transesterification reaction catalyst, or (2) a copolymer of a vinyl compound having two or more carboxylic acid anhydride groups, an epoxy, and a transesterification reaction catalyst.Type: ApplicationFiled: January 12, 2016Publication date: January 11, 2018Applicant: HITACHI, LTD.Inventors: Yuri KAJIHARA, Takahito MURAKI, Tadashi ARAI, Yasuhiko TADA
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Publication number: 20160244823Abstract: The purpose of the present invention is to provide a DNA transport control device having excellent reliability and durability, and a DNA sequencing device that uses the DNA transport control device. The present invention provides a DNA transport control device having a nanopore which allows for the passage of only the DNA strand of a single molecule, and a DNA sequencing device that uses the DNA transport control device. The DNA transport control device is characterized by the following: including a base material having openings and a thin film a block copolymer formed on the base material; the thin film including microdomains that are formed as a result of self-assembly of the block copolymer and that penetrate the thin film, and a matrix surrounding the microdomains; and the nanopore being formed from one opening in the base material and a single microdomain.Type: ApplicationFiled: November 4, 2014Publication date: August 25, 2016Inventors: Hiroshi YOSHIDA, Rena AKAHORI, Yasuhiko TADA, Shohei TERADA, Takanobu HAGA, Takashi ANAZAWA
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Publication number: 20160222339Abstract: Provided are a cell separation and collection membrane capable of suppressing non-specific adsorption of cells while specifically adsorbing target cells; a culturing sheet and a culturing apparatus which use the membrane; and a cell separation and collection method. The cell separation and collection membrane included in the culturing sheet comprises: a support; a polymer site fixed to the support and having a changeable structure in accordance with a temperature; a cell adsorbing site bound to the polymer site, exposed relative to an outer surface of the support, and specifically adsorbing a target cell when the cell adsorbing site is brought into contact with a treatment solution containing the target cells; and a hydrophilic site exposed relative to the outer surface and to be brought into contact with the treatment solution.Type: ApplicationFiled: September 9, 2013Publication date: August 4, 2016Inventors: Yasuhiko TADA, Keisuke SHIBUYA, Yui SUGITA