Patents by Inventor Tetsuya Mimura
Tetsuya Mimura 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: 20240421444Abstract: A power storage cell includes an electrode assembly, an insulating plate, and a cell case. The electrode assembly includes a plurality of electrodes and a separator. The electrodes include respective current collector foils and active material layers. The electrode assembly includes: an electrode assembly body where respective parts of the current collector foils provided with the active material layers are arranged side by side in one direction with the separator interposed therebetween; and a plurality of current collector tabs formed by respective parts of the current collector foils not provided with the active material layers. The current collector tabs are bent with a part of one current collector tab superposed on an adjacent current collector tab. The insulating plate includes a base portion and a thickness adjusting portion located on an end of the base portion in a second direction. The thickness adjusting portion tapers inward in the second direction.Type: ApplicationFiled: May 9, 2024Publication date: December 19, 2024Applicant: Toyota Jidosha Kabushiki KaishaInventors: Kenichi KAKISHITA, Atsushi Sugihara, Jun Izumi, Tetsuya Mimura, Kota Ohata, Nana Kurashita, Yuki Takahashi
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Publication number: 20240396174Abstract: A power storage cell includes an electrode assembly and a cell case containing the electrode assembly. The electrode assembly includes a plurality of electrodes arranged in one direction, and a separator formed in a fanfold shape. The separator includes: a plurality of intervening portions each intervening between a pair of electrodes adjacent to each other in the one direction; an upper folded portion; and a lower folded portion. At least one of the upper folded portion and the lower folded portion is provided with a discharge hole for discharging gas.Type: ApplicationFiled: May 8, 2024Publication date: November 28, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi SUGIHARA, Kenichi KAKISHITA, Jun IZUMI, Tetsuya MIMURA, Kota OHATA, Nana KURASHITA, Yuki TAKAHASHI
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Publication number: 20240379992Abstract: An electrode assembly includes a plurality of electrodes arranged side by side in one direction, and a separator formed in a zigzag shape and configured to insulate the plurality of electrodes from each other. The separator includes a plurality of intervening portions, each of which is interposed between a pair of electrodes, an upper folded portion, a lower folded portion, and an outermost covering portion collectively covering the upper folded portion and the lower folded portion. The upper folded portion is connected to the outermost covering portion, and the lower folded portion is connected to the outermost covering portion.Type: ApplicationFiled: April 22, 2024Publication date: November 14, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi SUGIHARA, Kenichi KAKISHITA, Jun IZUMI, Tetsuya MIMURA, Kota OHATA, Nana KURASHITA, Yuki TAKAHASHI
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Publication number: 20240380008Abstract: A power storage cell includes an electrode assembly, a cell case, and an electrolytic solution. The electrode assembly includes a plurality of electrodes arranged side by side in one direction, and a separator formed in a zigzag shape and configured to insulate the electrodes from each other. The separator includes a plurality of intervening portions interposed between a pair of electrodes, an upper folded portion, and a lower folded portion. The plurality of electrodes include a plurality of positive electrodes and a plurality of negative electrodes. The negative electrode is disposed above the lower folded portion. The porosity of the lower folded portion is smaller than the porosity of the intervening portion.Type: ApplicationFiled: April 25, 2024Publication date: November 14, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi Sugihara, Kenichi Kakishita, Jun Izumi, Tetsuya Mimura, Kota Ohata, Nana Kurashita, Yuki Takahashi
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Patent number: 12111299Abstract: The present invention provides a measuring device which includes: a first container and a second container that are arranged adjacent to each other; and a partition wall provided between the first and second containers, the partition wall having a through hole(s) for forming a lipid bilayer(s). In this measuring device, a gas flow path(s) having a hydrophobic surface is/are formed in at least one of the first and second containers; the gas flow path(s) has/have an inlet and an outlet; the inlet and the outlet each communicate with the exterior of the measuring device; the gas flow path(s) open(s) into the container in which it/they is/are formed; and a gas flowing in the gas flow path(s) contacts the droplet filled in the container.Type: GrantFiled: October 2, 2020Date of Patent: October 8, 2024Assignee: KANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Tetsuya Yamada, Toshihisa Osaki, Hisatoshi Mimura, Hirotaka Sugiura, Shoji Takeuchi
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Publication number: 20240105906Abstract: A manufacturing method of an electrode sheet comprising: a preparation step of preparing a wet granulated body containing an electrode material and a solvent, a film forming step of passing the wet granulated body through a gap between a first roll and a second roll having a solvent absorbing portion on an outer peripheral surface to form an electrode material layer on an outer peripheral surface of the second roll, and a transfer step of transferring the electrode material layer onto a substrate.Type: ApplicationFiled: July 24, 2023Publication date: March 28, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi MORIYAMA, Takenori IKEDA, Masashi YAMAKITA, Tetsuya MIMURA
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Patent number: 11909027Abstract: A method for manufacturing an electrode disclosed herein includes: steps of forming a coating film composed of an electrode material by passing the electrode material through a gap between a rotating first roll and a rotating second roll; adhering the coating film to the second roll and conveying the coating film; and transferring the conveyed coating film onto an electrode current collector conveyed by a conveying device to form an electrode mixture layer composed of the coating film. The speed ratio between a peripheral speed of the second roll and a conveying speed of the electrode current collector is changed by changing the peripheral speed of the second roll on the basis of the thickness of the coating film or the width of the gap. The timing of the change in the speed ratio is allowed to be based on the Equation (1) described in the description.Type: GrantFiled: October 27, 2021Date of Patent: February 20, 2024Assignees: PRIME PLANET ENERGY & SOLUTIONS, INC., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsuya Mimura, Katsushi Enokihara
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Publication number: 20230238501Abstract: An electrode includes an active material layer. The active material layer is provided with a first groove portion and a second groove portion on a surface. The first groove portion has a first depth. The second groove portion has a second depth. The second depth is shallower than the first depth. Each of the first groove portion and the second groove portion extends linearly along the surface of the active material layer. The second groove portion is adjacent to the first groove portion.Type: ApplicationFiled: November 4, 2022Publication date: July 27, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Haruka SHIONOYA, Yusuke KINTSU, Tetsuya MIMURA, Takeshi KONDO, Yuta KAWAMOTO
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Patent number: 11703136Abstract: A control valve 8 according to the present disclosure includes a casing 21 in which an outlet for a liquid is formed and the liquid is accommodated, a rotor 22 rotatably accommodated in the casing 21 and having a communication port communicating with the outlet, and a sliding ring 131 having a sliding surface 141a sliding on an outer surface of the rotor in a state of being disposed inside the outlet and causing the outlet and the communication port to communicate with each other according to a rotation position of the rotor 22, in which a liquid holding portion for holding the liquid between the sliding surface 141a and the liquid holding portion is provided on the outer surface of the rotor 22, and the liquid holding portion has a recessed portion for accommodating the liquid.Type: GrantFiled: February 22, 2022Date of Patent: July 18, 2023Assignee: YAMADA MANUFACTURING CO., LTD.Inventors: Tetsuya Mimura, Akifumi Ozeki
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Publication number: 20230223549Abstract: An electrode is manufactured by forming an active material layer on a surface of an electrode current collector, forming a groove portion on a surface of the active material layer, and peeling off a part of the active material layer. An electrode current collector includes a metal foil and an adhesive layer. The metal foil includes a first region and a second region. The adhesive layer covers the first region. In the second region, the metal foil is exposed. The active material layer includes a first portion that covers the adhesive layer and a second portion that covers the second region. The groove portion is formed in each of the first portion and the second portion. The second portion is peeled off.Type: ApplicationFiled: November 4, 2022Publication date: July 13, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yusuke KINTSU, Tetsuya MIMURA, Haruka SHIONOYA, Yasuhiro SAKASHITA, Takeshi KONDO, Tomoyuki TASAKI, Yuta KAWAMOTO
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Publication number: 20230216090Abstract: An electrode includes a base material and an active material layer. The active material layer is disposed on a base material surface. One or more grooves are formed on an active material layer surface. The one or more grooves linearly extend along the surface of the active material layer. In a plan view, each of the one or more grooves includes an inlet region, an intermediate region, and an outlet region. Each of the inlet region and the outlet regions is configured such that a first pressure loss occurring when a fluid flows in a forward direction is smaller than a second pressure loss occurring when the fluid flows in a backward direction.Type: ApplicationFiled: November 7, 2022Publication date: July 6, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Haruka SHIONOYA, Yusuke Kintsu, Tetsuya Mimura, Takeshi Kondo, Yuta Kawamoto
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Publication number: 20230155102Abstract: An electrode manufacturing apparatus includes a shaping roll and an opposed roll that sandwich an electrode therebetween and rotate in opposite directions, and a temperature adjusting unit. The temperature adjusting unit reduces a temperature difference between a central portion and an end portion in an axial direction, of at least one roll of the shaping roll and the opposed roll.Type: ApplicationFiled: August 25, 2022Publication date: May 18, 2023Applicant: Toyota Jidosha Kabushiki KaishaInventors: Tetsuya Mimura, Yusuke Kintsu, Haruka Shionoya, Takeshi Kondo, Yuta Kawamoto
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Publication number: 20230155103Abstract: An electrode manufacturing apparatus includes a film forming device that forms an electrode layer on a surface of a substrate. The film forming device includes a first roll that rotates, a second roll that is spaced apart from and opposed to the first roll and rotates in an opposite direction of the first roll, a third roll that is spaced apart from and opposed to the second roll and rotates in the opposite direction of the second roll, and a temperature adjusting unit that reduces a temperature difference between a central portion and an end portion in an axial direction of at least one roll of the first roll, the second roll, and the third roll.Type: ApplicationFiled: August 18, 2022Publication date: May 18, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsuya MIMURA, Yusuke KINTSU, Haruka SHIONOYA, Takeshi KONDO, Yuta KAWAMOTO
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Publication number: 20220298957Abstract: A control valve 8 according to the present disclosure includes a casing 21 in which an outlet for a liquid is formed and the liquid is accommodated, a rotor 22 rotatably accommodated in the casing 21 and having a communication port communicating with the outlet, and a sliding ring 131 having a sliding surface 141a sliding on an outer surface of the rotor in a state of being disposed inside the outlet and causing the outlet and the communication port to communicate with each other according to a rotation position of the rotor 22, in which a liquid holding portion for holding the liquid between the sliding surface 141a and the liquid holding portion is provided on the outer surface of the rotor 22, and the liquid holding portion has a recessed portion for accommodating the liquid.Type: ApplicationFiled: February 22, 2022Publication date: September 22, 2022Inventors: Tetsuya Mimura, Akifumi Ozeki
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Publication number: 20220293906Abstract: According to the present disclosure, an electrode having an electrode mixture layer with a desired film thickness can be stably produced. An electrode production apparatus disclosed herein includes: a first roll; a second roll; third roll; a rolling gap for rolling an electrode material to form a mixture coated film, formed between the first roll and the second roll; and a compression bonding gap for compressedly bonding the mixture coated film and an electrode current collector, formed between the second roll and the third roll. The electrode production apparatus further includes a spring-like mechanism configured to bias the third roll toward the second roll. The compression bonding gap fluctuates in response to the fluctuation of the reaction force from the mixture coated film. As a result, the film thickness variation of the electrode mixture layer after the production can be reduced.Type: ApplicationFiled: March 14, 2022Publication date: September 15, 2022Inventors: Tetsuya MIMURA, Katsushi ENOKIHARA, Masanori KITAYOSHI, Shou ISHIYAMA
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Publication number: 20220278307Abstract: According to the present disclosure, an electrode having an electrode mixture layer with a desired film thickness can be stably produced. A producing method disclosed herein includes detecting the surface position of a mixture coated film by a first sensor; detecting the surface position of a second roll by a second sensor; detecting the film thickness of the mixture coated film based on detection results of the first sensor and the second sensor; and adjusting a relatively rotation speed of a third roll based on the film thickness. And, the detected positions of the first sensor and the second sensor in a circumferential direction of the second roll are substantially identical. Due to this method, the change in the film thickness of the electrode mixed layer of produced electrode can be suppressed.Type: ApplicationFiled: February 25, 2022Publication date: September 1, 2022Inventors: Tetsuya MIMURA, Katsushi ENOKIHARA, Masanori KITAYOSHI, Kouji YAMASHIRO
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Publication number: 20220158154Abstract: A method for manufacturing an electrode is provided, the method including coating and drying of an electrode paste and being able to highly suppress variations in the weight per unit area of the active material layer. The method for manufacturing an electrode disclosed herein includes the steps of: coating an electrode paste onto a current collecting foil from a die; and drying the coated electrode paste. Here, the current collecting foil is conveyed by a backup roll. A variation in at least one of thickness and width of the coated electrode paste is measured. The peripheral speed of the backup roll is changed according to a measurement result of the variation so that the variation becomes small.Type: ApplicationFiled: November 8, 2021Publication date: May 19, 2022Applicants: PRIME PLANET ENERGY & SOLUTIONS, INC., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsuya MIMURA, Katsushi ENOKIHARA
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Publication number: 20220158153Abstract: A method for manufacturing an electrode disclosed herein includes: steps of forming a coating film composed of an electrode material by passing the electrode material through a gap between a rotating first roll and a rotating second roll; adhering the coating film to the second roll and conveying the coating film; and transferring the conveyed coating film onto an electrode current collector conveyed by a conveying device to form an electrode mixture layer composed of the coating film. The speed ratio between a peripheral speed of the second roll and a conveying speed of the electrode current collector is changed by changing the peripheral speed of the second roll on the basis of the thickness of the coating film or the width of the gap. The timing of the change in the speed ratio is allowed to be based on the Equation (1) described in the description.Type: ApplicationFiled: October 27, 2021Publication date: May 19, 2022Inventors: Tetsuya MIMURA, Katsushi ENOKIHARA
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Publication number: 20190209012Abstract: A biological measurement device includes a probe including a contact surface that includes a plurality of light input portions that input light to a measurement target part and a plurality of light receiving portions that receive measurement light output from the measurement target part, the contact surface being pressed against the measurement target part, and a calculation unit that calculates internal information on the basis of a result of detecting the measurement light obtained for each combination of the light input portion and the light receiving portion, wherein the plurality of light input portions and the plurality of light receiving portions constitute lattices having an interval d in a first direction and a second direction orthogonal to each other on the contact surface.Type: ApplicationFiled: September 4, 2017Publication date: July 11, 2019Applicants: HAMAMATSU PHOTONICS K.K., NATIONAL UNIVERSITY CORPORATION HAMAMATSU UNIVERSITY SCHOOL OF MEDICINEInventors: Kenji YOSHIMOTO, Yukio UEDA, Etsuko OHMAE, Tetsuya MIMURA, Nobuko YOSHIZAWA, Hatsuko NASU, Hiroyuki OGURA, Harumi SAKAHARA
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Publication number: 20060276433Abstract: A compound represented by the following formula (I): wherein R1 represents hydrogen, aryl which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc.; R2 represents hydrogen, aryl which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc.; R3 represents hydrogen, etc.; Ar represents a divalent group derived from aromatic hydrocarbon, etc.; X represents a single bond, linear or branched alkylene having from 1 to 3 carbon atoms which may have a substituent, etc.; and G represents halogen, a saturated or unsaturated 5- or 6-membered cyclic hydrocarbon group which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc.Type: ApplicationFiled: March 31, 2004Publication date: December 7, 2006Inventors: Keiichi Kawagoe, Kayoko Motoki, Takashi Odagiri, Nobuyuki Suzuki, Chun-Jen Chen, Tetsuya Mimura