Patents by Inventor Hiroki IGUCHI
Hiroki IGUCHI 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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Patent number: 12234485Abstract: Provided is a resin film having excellent cell extensibility in cell culture. The resin film formed of a scaffold material for cell culture containing a synthetic resin, the resin film having a compressive modulus of 5.5 GPa or more at a frequency of 1 Hz as measured using a nanoindenter device in ion-exchanged water in accordance with ISO14577-1 after being immersed in the ion-exchanged water at 37° C. for 24 hours.Type: GrantFiled: May 27, 2020Date of Patent: February 25, 2025Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuuhei Arai, Ryoma Ishii, Hiroki Iguchi, Satoshi Haneda
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Patent number: 12180450Abstract: A scaffolding material for stem cell culture, which has a dispersion component ?d of the surface free energy of 24.5 or more and less than 45.0, and a dipole component ?p of the surface free energy of 1 or more and less than 20.0. According to the scaffolding material for stem cell culture, the scaffolding material can have suitable hydrophilicity and strength, high fixation of stem cells after seeding, and highly efficient cell proliferation.Type: GrantFiled: December 27, 2018Date of Patent: December 31, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Satoshi Haneda, Yuriko Manabe, Ryoma Ishii, Hiroki Iguchi, Hiroshi Yamauchi, Takahiro Omura
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Patent number: 12157875Abstract: A scaffolding material for culturing a cell, the scaffolding material for culturing a cell containing a synthetic resin, and having a nitrogen content of the synthetic resin of 0.1% by mass or more and 10% by mass or less. According to the scaffolding material for cell culture, the scaffolding material can have suitable hydrophilicity and strength, high fixation of cells after seeding, and highly efficient cell proliferation.Type: GrantFiled: July 2, 2020Date of Patent: December 3, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Satoshi Haneda, Yuriko Manabe, Ryoma Ishii, Hiroki Iguchi, Hiroshi Yamauchi, Takahiro Omura
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Patent number: 12152228Abstract: A scaffolding material for cell culture, which has a dispersion component ?d of the surface free energy of 24.5 mJ/m2 or more and less than 45.0 mJ/m2, and a dipole component ?p of the surface free energy of 1.0 mJ/m2 or more and less than 20.0 mJ/m2. According to the scaffolding material for cell culture, the scaffolding material can have suitable hydrophilicity and strength, high fixation of cells after seeding, and highly efficient cell proliferation.Type: GrantFiled: July 2, 2020Date of Patent: November 26, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Satoshi Haneda, Yuriko Manabe, Ryoma Ishii, Hiroki Iguchi, Hiroshi Yamauchi, Takahiro Omura
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Patent number: 12116557Abstract: A scaffolding material for culturing a stem cell, which contains a synthetic resin, and has a nitrogen content of the synthetic resin of 0.1% by mass or more and 10% by mass or less. According to the scaffolding material for stem cell culture, the scaffolding material can have suitable hydrophilicity and strength, high fixation of stem cells after seeding, and highly efficient cell proliferation.Type: GrantFiled: December 27, 2018Date of Patent: October 15, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Satoshi Haneda, Yuriko Manabe, Ryoma Ishii, Hiroki Iguchi, Hiroshi Yamauchi, Takahiro Omura
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Publication number: 20240301340Abstract: A scaffolding material for culturing a stem cell, which contains a synthetic resin, and has a nitrogen content of the synthetic resin of 0.1% by mass or more and 10% by mass or less. According to the scaffolding material for stem cell culture, the scaffolding material can have suitable hydrophilicity and strength, high fixation of stem cells after seeding, and highly efficient cell proliferation.Type: ApplicationFiled: May 17, 2024Publication date: September 12, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Satoshi HANEDA, Yuriko Manabe, Ryoma Ishii, Hiroki Iguchi, Hiroshi Yamauchi, Takahiro Omura
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Patent number: 12080884Abstract: Manufacturing a lithium-ion battery includes assembling the lithium-ion battery; and performing an initial charging on the lithium-ion battery. The lithium-ion battery includes a positive electrode, a negative electrode, and an electrolyte; the negative electrode contains a negative electrode active material containing a precursor of a silicon material, the precursor having a composition represented by SiOx where a relationship of 0<x<2 is satisfied. The initial charging includes a first step where the charging is performed to an intermediate voltage at a first current rate, and a second step where the charging is performed from the intermediate voltage to a maximum voltage at a second current rate. The first current rate is lower than 0.5 C; the second current rate is higher than the first current rate; and the intermediate voltage is 3.75 V or higher.Type: GrantFiled: September 9, 2022Date of Patent: September 3, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akira Tsujiko, Hiroki Iguchi
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Patent number: 11918891Abstract: A program, embodied on a non-transitory computer-readable medium, which causes an information processing device that executes a game to execute: a step of causing an interface that accepts a user operation to be displayed; a step of storing first information related to game content on the basis of the user operation that is accepted by the interface; a step of storing second information related to game content that is selected among a plurality of items of game content by game content selection processing and is associated with a user; a step of comparing the first information and the second information; a step of causing a comparison result of the first information and the second information to be displayed; and a step of making a predetermined game effect capable of being exhibited in the game on the basis of comparison of the first information and the second information.Type: GrantFiled: November 17, 2020Date of Patent: March 5, 2024Assignee: GREE, Inc.Inventor: Hiroki Iguchi
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Publication number: 20240052301Abstract: Provided is a microcarrier for cell culture in which adhesion between microcarriers due to a cell mass can be suppressed. The microcarrier for cell culture according to the present invention includes a base particle and a coating layer covering an outer surface of the base particle, and the coating layer includes a resin having a polyvinyl alcohol derivative skeleton or a poly(meth)acrylic acid ester skeleton and having a peptide moiety, and the microcarrier has an average particle size of 300 ?m or more and a CV value of particle size of 10% or less.Type: ApplicationFiled: February 2, 2022Publication date: February 15, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Satoshi HANEDA, Hiroki IGUCHI
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Publication number: 20230395891Abstract: A power supply device includes a secondary cell, a detection device, a storage device, and a control device. The secondary cell includes an electrolyte solution. The detection device detects the voltage and temperature of the secondary cell. The storage device stores first information and second information. The first information indicates the relationship among the voltage, the temperature, and the amount of decrease in the electrolyte solution during energization of the secondary cell. The second information indicates the relationship among the voltage, the temperature, and the amount of decrease in the electrolyte solution during storage of the secondary cell. The control device calculates a first index indicating the amount of decrease in the electrolyte solution.Type: ApplicationFiled: May 5, 2023Publication date: December 7, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takaaki MATSUI, Hiroki NAGAI, Hiroki IGUCHI, Koichiro ISOBE, Daisuke OKANISHI
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Patent number: 11811050Abstract: A secondary battery module includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode active material layer, the negative-electrode active material layer includes a first layer, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer, a separator constituting the nonaqueous-electrolyte secondary battery has a lower compression modulus than the first layer, the elastic body has a lower compression modulus than the separator, the graphite particles contained in the first layer have a BET specific surface area of 1 to 2.5 m2/g, and the content of Si particles in the first layer is 6 mass % to 13 mass % relative to the total amount of the negative-electrode active material layer.Type: GrantFiled: February 11, 2021Date of Patent: November 7, 2023Assignees: PANASONIC HOLDINGS CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kaoru Inoue, Akihiro Taniguchi, Hideki Sano, Kouhei Tsuzuki, Hiroki Iguchi
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Patent number: 11791471Abstract: A secondary battery module according to the present embodiment includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode current collector and a negative-electrode active material layer, the negative-electrode active material layer includes a first layer formed on the negative-electrode current collector, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer, a separator constituting the nonaqueous-electrolyte secondary battery has a lower compression modulus than the first layer, the elastic body has a lower compression modulus than the separator, a graphite particles contained in the first layer have a BET specific surface area of 1 to 2.5 m2/g, and the first layer 52a contains 0.01 mass % to 0.4 mass % of a carbon nanotube having one to five graphene sheets.Type: GrantFiled: February 9, 2021Date of Patent: October 17, 2023Assignees: PANASONIC HOLDINGS CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kaoru Inoue, Akihiro Taniguchi, Hideki Sano, Kouhei Tsuzuki, Hiroki Iguchi
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Publication number: 20230311126Abstract: Provided is a microfluidic chip capable of suppressing contamination while downsizing a device. A microfluidic chip 1 includes a chip main body 2, and an optical gas generation tape 8 attached to the chip main body 2 and configured to generate a gas by light irradiation, in which the chip main body 2 includes a microchannel 4, a liquid medium reservoir 5 provided in the middle of the microchannel 4, and a cell binding unit 6 provided on a downstream side of the liquid medium reservoir 5 in the microchannel 4, and a liquid medium stored in the liquid medium reservoir 5 is supplied to the cell binding unit 6 by the gas generated from the optical gas generation tape 8.Type: ApplicationFiled: October 27, 2021Publication date: October 5, 2023Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yoshiki TOMITA, Takamasa KOUNO, Hiroki IGUCHI
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Patent number: 11658353Abstract: A negative electrode active material includes graphite and silicon oxide. On a rectangular coordinate system having an SOC of the battery on a horizontal axis and a dimension of the battery on a vertical axis, a charging profile of the battery includes a first stage and a second stage. When the battery is charged at a current rate equal to or higher than an inherent current rate, a first slope is less steep than a second slope. When the battery is charged at a current rate lower than the inherent current rate, the first slope is steeper than the second slope. During the initial charging, at least charging in the first stage is performed at a current rate lower than the inherent current rate. After the initial charging proceeds to the second stage, the thermal aging is performed at an SOC included in the second stage.Type: GrantFiled: December 1, 2020Date of Patent: May 23, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Hiroki Iguchi
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Patent number: 11611105Abstract: An electrolyte solution for a lithium-ion battery is provided. The electrolyte solution contains at least a solvent and a lithium salt. The lithium salt is dissolved in the solvent. The solvent contains acetic anhydride at a concentration not lower than 80 vol %.Type: GrantFiled: March 26, 2019Date of Patent: March 21, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki Iguchi, Hideki Sano
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Publication number: 20230017772Abstract: Manufacturing a lithium-ion battery includes assembling the lithium-ion battery; and performing an initial charging on the lithium-ion battery. The lithium-ion battery includes a positive electrode, a negative electrode, and an electrolyte; the negative electrode contains a negative electrode active material containing a precursor of a silicon material, the precursor having a composition represented by SiOx where a relationship of 0<x<2 is satisfied. The initial charging includes a first step where the charging is performed to an intermediate voltage at a first current rate, and a second step where the charging is performed from the intermediate voltage to a maximum voltage at a second current rate. The first current rate is lower than 0.5 C; the second current rate is higher than the first current rate; and the intermediate voltage is 3.75 V or higher.Type: ApplicationFiled: September 9, 2022Publication date: January 19, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akira TSUJIKO, Hiroki IGUCHI
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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: 20220228127Abstract: Provided is a resin film having excellent cell extensibility in cell culture. The resin film formed of a scaffold material for cell culture containing a synthetic resin, the resin film having a compressive modulus of 5.5 GPa or more at a frequency of 1 Hz as measured using a nanoindenter device in ion-exchanged water in accordance with ISO14577-1 after being immersed in the ion-exchanged water at 37° C. for 24 hours.Type: ApplicationFiled: May 27, 2020Publication date: July 21, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuuhei ARAI, Ryoma ISHII, Hiroki IGUCHI, Satoshi HANEDA