Patents by Inventor Akira Nishida
Akira Nishida 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: 20240297352Abstract: A method for manufacturing a storage device disclosed herein includes an arranging step of arranging an adhesion layer slurry on a surface of a separator, a forming step of removing a solvent and a dispersion medium from the adhesion layer slurry to form an adhesion layer, and a stacking step of stacking a positive electrode, the separator, and a negative electrode. In the stacking step, the separator including the adhesion layer arranged in a shape of a plurality of dots on a surface thereof is used, and each of the dots of the adhesion layer includes an adhesion layer non-formed region in a central portion thereof when viewed from top.Type: ApplicationFiled: February 27, 2024Publication date: September 5, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Taisuke ISEDA, Akira NISHIDA
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Publication number: 20240297331Abstract: A method for manufacturing a storage device disclosed herein includes a winding step of winding a positive electrode and a negative electrode with a separator interposed therebetween to manufacture a wound body, and a pressing step of pressing the wound body to form the wound body into a flat wound electrode body. In the winding step, a separator including an adhesion layer arranged in a shape of a plurality of dots is used. Each of the dots of the adhesion layer includes an adhesion layer non-formed region in a central portion thereof when viewed from top. In the pressing step, an area of the adhesion layer non-formed region when viewed from top is reduced to ½ or less.Type: ApplicationFiled: February 28, 2024Publication date: September 5, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Taisuke ISEDA, Akira NISHIDA
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Publication number: 20240283032Abstract: Provided is a technology obtaining an electricity storage device including a wound electrode body with high productivity. A method of manufacturing an electricity storage device of one embodiment disclosed herein includes: a winding step of winding a positive electrode and a negative electrode with a separator interposed therebetween to produce a wound body; and after the winding step, a pressing step of pressing the wound body to form each of wound electrode bodies having a flat shape, wherein the separator partially having an adhesive layer on at least one surface thereof is used in the winding step, the adhesive layer includes a first adhesive region and a second adhesive region, and the thickness of the first adhesive region is 1.5 times or more the thickness of the second adhesive region. The manufacturing method further includes a formation step before the winding step.Type: ApplicationFiled: February 21, 2024Publication date: August 22, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Taisuke ISEDA, Akira NISHIDA
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Publication number: 20240266584Abstract: Provided is a technology to obtain an electricity storage device including a wound electrode body with high productivity. A method disclosed herein includes: a winding step to produce a wound body; and a pressing step of pressing the wound body to form a wound electrode body having a flat shape after the winding step. A separator used in the winding step has a first and a second adhesive layers on one surface of the separator. In the winding step, the first adhesive layer and a first electrode adhere to each other, and the second adhesive layer and the first electrode adhere to each other with a force weaker than an adhesive force between the first adhesive layer and the first electrode. In the pressing step, the second adhesive layer and the first electrode adhere to each other more strongly than in a state prior to the pressing step.Type: ApplicationFiled: February 7, 2024Publication date: August 8, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Taisuke ISEDA, Akira NISHIDA
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Publication number: 20240266675Abstract: Provided is a technology that can obtain an electricity storage device including a wound electrode body with high productivity. In an aspect of the electricity storage device disclosed herein, a separator has a first adhesive layer and a second adhesive layer on at least one surface of the separator. In plan view of the separator, the first adhesive layer is partially formed, and the second adhesive layer is partially formed. The first adhesive layer is composed of an adhesive layer that exhibits adhesiveness to the positive electrode by contacting the positive electrode facing the first adhesive layer at ordinary temperature. The second adhesive layer is composed of an adhesive layer that has no adhesiveness to the positive electrode when the first adhesive layer adheres to the facing positive electrode, and thereafter exhibits adhesiveness to the positive electrode when some physical means is applied.Type: ApplicationFiled: February 7, 2024Publication date: August 8, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Taisuke ISEDA, Akira NISHIDA
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Patent number: 12051816Abstract: A laminated battery includes battery cells which are laminated and a current collecting lead. Each of the battery cells has a structure in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector are laminated in this order. The battery cells include first and second battery cells adjacent to each other. At least the second battery cell has a side surface inclined with respect to a laminating direction of the battery cells. The first battery cell has a surface facing the second battery cell and including an exposed surface not in contact with the second battery cell. At least part of the exposed surface overlaps at least part of the side surface of the second battery cell viewed from the laminating direction. The current collecting lead is connected to the exposed surface.Type: GrantFiled: August 30, 2021Date of Patent: July 30, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuyoshi Honda, Akira Kawase, Eiichi Koga, Kouji Nishida, Noboru Masuda, Takeshi Yamasaki
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Patent number: 12051960Abstract: A rotating electrical machine case includes a case body having a cylindrical shape surrounding a rotating electrical machine and a side wall portion provided on at least one end side of the case body in a rotation axis direction. The side wall portion is provided with a plurality of ribs extending in a radial direction when viewed from the rotation axis direction of a rotating electrical machine and the plurality of ribs include ribs having different circumferential widths.Type: GrantFiled: June 29, 2020Date of Patent: July 30, 2024Assignees: HONDA MOTOR CO., LTD., HITACHI ASTEMO, LTD.Inventors: Atsushi Nishida, Keiichiro Kashiwabara, Akira Fujiwara, Sachio Kawada, Hideaki Noto, Shunsuke Isogai
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Patent number: 12034162Abstract: The nonaqueous electrolyte secondary battery according to one embodiment includes a flat wound electrode body in which a positive plate and a negative plate are wound via a separator and characterized in that the positive plate has a positive core and a positive mixed material layer that is formed on both sides of the positive core, the positive mixed material layer includes a lithium metal composite oxide represented by general formula Li1+xMaO2+b (in the formula, x, a, and b satisfy the conditions x+a=1, ?0.2<x?0.2, and ?0.1?b?0.1, and M includes Ni and Co and at least one element selected from the group consisting of Mn and Al), and the positive plate has a flexibility index of 15 to 19. Such a positive plate is capable of having a high packing density while suppressing cracks in the positive mixed material layer and buckling of the positive plate and the negative plate.Type: GrantFiled: November 27, 2019Date of Patent: July 9, 2024Assignee: SANYO Electric Co., Ltd.Inventors: Atsutoshi Ako, Yoshifumi Magari, Kazuaki Tamura, Akira Nishida
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Patent number: 12021263Abstract: A battery includes an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate. A first adhesive layer is provided between the positive electrode plate and the separator, and a second adhesive layer is provided between the negative electrode plate and the separator. A coating weight of the first adhesive layer is smaller than a coating weight of the second adhesive layer, and a total of the coating weight of the first adhesive layer and the coating weight of the second adhesive layer is more than or equal to 0.03 g/m2 and less than or equal to 0.15 g/m2.Type: GrantFiled: January 25, 2022Date of Patent: June 25, 2024Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Toshihide Fukae, Akira Nishida
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Publication number: 20240088427Abstract: Provided is a technology which can produce a battery comprising a wound electrode assembly including separators having adhesive layers, with high productivity. In one suitable aspect of the method of manufacturing a battery as disclosed herein, the method comprises a first winding step of bringing a first separator and a second separator into contact with a winding core and winding the first separator and the second separator around the winding core; a second adhesive layer forming step of forming a second adhesive layer in the second separator; a first adhesive layer forming step of forming a first adhesive layer in the first separator; a second winding step of winding a positive electrode sheet and an negative electrode sheet around the winding core along with the first separator and the second separator; and a pressing step of pressing, after the second winding step, the first separator, the positive electrode sheet, the second separator, and the negative electrode sheet which have been wound.Type: ApplicationFiled: September 6, 2023Publication date: March 14, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Taisuke ISEDA, Akira NISHIDA, Koji NIHOMMATSU
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Publication number: 20240088448Abstract: Provided is a technology which can produce a battery comprising a wound electrode assembly including adhesive layers, with high productivity. The method of manufacturing a battery as disclosed herein comprises a first formation step of forming a first adhesive layer on a surface of a first separator; a second formation step of forming a second adhesive layer on a surface of a positive electrode sheet; and a lamination step of laminating the first separator, the positive electrode sheet, a second separator, and an negative electrode sheet.Type: ApplicationFiled: September 6, 2023Publication date: March 14, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Taisuke ISEDA, Akira NISHIDA, Koji NIHOMMATSU
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Publication number: 20240088426Abstract: The present disclosure provides a method for manufacturing includes: an adhesive layer formation step of forming a first adhesive layer on a surface of at least one of a positive electrode sheet and a first separator and forming a second adhesive layer on a surface of at least one of the positive electrode sheet and a second separator; and a wound electrode body fabrication step of fabricating a wound electrode body by winding the first separator, the positive electrode sheet, second separator, and the negative electrode sheet.Type: ApplicationFiled: September 6, 2023Publication date: March 14, 2024Applicant: Prime Planet Energy & Solutions, Inc.Inventors: Akira NISHIDA, Taisuke ISEDA
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Patent number: 11923560Abstract: A secondary battery includes: an electrode plate including a main body portion and an electrode terminal portion protruding from the main body portion along a first direction; and a separator adhered to the electrode plate, wherein the main body portion of the electrode plate includes a central region located in a vicinity of a center in the first direction, a first region located on a side close to the electrode terminal portion with respect to the central region in the first direction, and a second region located on a side opposite to the first region with respect to the central region in the first direction, and adhesion strength per unit area between the electrode plate and the separator in the first region is higher than adhesion strength per unit area between the electrode plate and the separator in the second region.Type: GrantFiled: July 1, 2021Date of Patent: March 5, 2024Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Daiki Watanabe, Yu Matsui, Akira Nishida
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Publication number: 20240039122Abstract: A battery disclosed herein includes an electrode body including a positive electrode including a positive electrode active material layer, a negative electrode, and a separator. The separator includes an adhesive layer on a surface that faces the positive electrode. The adhesive layer includes a first formation region provided so as to face the positive electrode active material layer, and a second formation region provided so as to protrude outward, in an up-down direction or a long side direction of the battery, relative to one end part of the positive electrode active material layer. The first formation region has smaller weight per area than the second formation region.Type: ApplicationFiled: July 27, 2023Publication date: February 1, 2024Inventors: Taisuke ISEDA, Akira NISHIDA
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Publication number: 20240039121Abstract: A battery disclosed here includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, a separator, and a wound electrode body in which the positive electrode and the negative electrode are wound with the separator interposed therebetween. The separator includes an adhesive layer on at least one surface of the separator. The adhesive layer has a different weight per area in a longitudinal direction of the separator.Type: ApplicationFiled: July 26, 2023Publication date: February 1, 2024Inventors: Taisuke ISEDA, Akira NISHIDA
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Publication number: 20240039052Abstract: A battery disclosed herein includes a wound electrode body in which a positive electrode and a negative electrode are wound through a separator. The separator includes the adhesive layer on at least one surface, and on the one surface, a non-formation region where the adhesive layer is not formed is provided in at least one end part in a winding axis direction.Type: ApplicationFiled: July 27, 2023Publication date: February 1, 2024Inventors: Akira NISHIDA, Taisuke ISEDA
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Publication number: 20230290990Abstract: According to the present disclosure, a secondary battery in which precipitation of metallic lithium can be inhibited more appropriately is provided. The secondary battery disclosed here includes a flat wound electrode body. The wound electrode body has a pair of curved portions and a flat portion. In addition, a positive electrode starting end portion inside the wound electrode body has a first region extending along the flat portion. On the other hand, a negative electrode starting end portion inside the wound electrode body has a second region extending along the flat portion, a folded portion folded back along a first curved portion, and a third region extending from the folded portion along the flat portion.Type: ApplicationFiled: February 28, 2023Publication date: September 14, 2023Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Akira NISHIDA, Toshihide FUKAE, Shinji IIDA, Ikuto KOBAYASHI
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Publication number: 20230047916Abstract: This non-aqueous electrolyte secondary battery comprises: a separator that has an adhesive on at least one surface thereof; and an electrode that has a core and an electrode mix layer, and that is configured so that the electrode mix layer abuts the adhesive. The electrode mix layer is configured so that the density, in the thickness-direction, of a porous body increases from the core towards the adhesive.Type: ApplicationFiled: January 29, 2021Publication date: February 16, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Kensuke Watanabe, Taiki Nonaka, Akira Nishida
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Publication number: 20220399601Abstract: A non-aqueous electrolyte secondary cell according to the present invention comprises: an electrode body constituted by a plurality of positive electrodes and a plurality of negative electrodes alternately layered one by one with separators interposed therebetween; a non-aqueous electrolyte solution; and a case that houses the electrode body and the non-aqueous electrolyte solution. A solution injection port for injecting the electrolyte solution is provided in the case. The density of a first region separated from the solution injection port is less than the density of a second region, which is near the solution injection port, in positive electrode compound layers of the positive electrodes and/or negative electrode compound layers of the negative electrodes constituting the electrode body.Type: ApplicationFiled: November 12, 2020Publication date: December 15, 2022Applicant: SANYO Electric Co., Ltd.Inventor: Akira Nishida
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Patent number: 11493349Abstract: An information processing apparatus according to the present disclosure transmits, upon receiving first information requesting provision of contact information indicating a contact address of a second user, transmitted from a first user terminal which is a terminal used by the first user, second information which is information requesting permission to provide the contact information to the first user and which includes information capable of identifying the first user to a second user terminal which is a terminal used by the second user. The second user is a user who is sharing or has a history of sharing a predetermined space with the first user.Type: GrantFiled: June 12, 2019Date of Patent: November 8, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kosuke Kotake, Ryosuke Tanimura, Yuki Ito, Akira Nishida, Zekai Qiu, Kenichi Hagiya, Naoki Yamamuro