Patents by Inventor Ryuichi Amagai
Ryuichi Amagai 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: 8998017Abstract: The present invention provides a container, a lid body and a method of seaming a container, in which the influence of a load at the time of seaming can be made as small as possible, in the container having a seaming flange portion and a seaming curl portion notched. In a container of a structure in which a seaming flange portion formed at an open end portion of a container body, and a seaming curl portion formed on a periphery of a bottom lid are seamed to be joined to each other, and in which a notch is formed in at least one of the seaming curl portion and the seaming flange portion, a short and small curl portion in which a width of protrusion of the seaming curl portion is partially short is formed in at least one of circumferentially opposite sides of the notched portion.Type: GrantFiled: October 21, 2011Date of Patent: April 7, 2015Assignees: Toyo Seikan Kaisha, Ltd., Nissan Motor Co., Ltd.Inventors: Kei Oohori, Kazuhiko Tsukada, Ryuichi Amagai
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Publication number: 20140302383Abstract: A flat battery basically comprises a battery body, a plate-shaped member and an elastic member. The battery body includes a power generation unit and a case member encasing and sealing the power generation unit therein. The plate-shaped member is configured to be disposed between an outer periphery portion of the battery body and an outer periphery portion of an adjacent battery body stacked that is to be stacked on the battery body. The elastic member joins the battery body and the plate-shaped member to connect the battery body and the plate-shaped member, and covers at least part of the plate-shaped member. The plate-shaped member includes an exposed part which is exposed from part of an end surface of the elastic member which covers the plate-shaped member in a thickness direction of the battery body.Type: ApplicationFiled: November 6, 2012Publication date: October 9, 2014Inventors: Ryuichi Amagai, Kenichi Ochiai, Masakazu Shibuya
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Patent number: 8828583Abstract: A battery module includes a plurality of flat batteries stacked upon one another in a thickness direction. The plurality of flat batteries each have an outer cover and plate-shaped electrode terminals connected. A power generating element is sealed within the outer cover of each of the plurality of flat batteries. The electrode terminals include substantially flat plates connected to the power generating element and projecting out of the outer cover in a projecting direction. The electrode terminals of the plurality of batteries are electrically connected to each other. Each of a plurality of electrically insulating spacers receives the electrode terminals of more than one of the flat batteries and the spacers are stacked in the thickness direction of the flat batteries.Type: GrantFiled: December 18, 2006Date of Patent: September 9, 2014Assignee: Nissan Motor Co. Ltd.Inventor: Ryuichi Amagai
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Patent number: 8771863Abstract: Provided is a battery module in which a stacked body (142) of a plurality of flat batteries (144A to 144D) stacked on one another is housed. The battery module includes the flat batteries, an output terminal, a metal container, insulating plates and an insulating cover (170). Each of the flat batteries (144A to 144D) includes a power-generating element, an exterior package member for sealing the power-generating element, and electrode terminals led out from the exterior package member. The output terminal is used to provide a parallel or series connection between the electrode terminals of the plurality of flat batteries (144A to 144D) and to output power therefrom. The metal container is used to house the stacked body. The insulating plates are disposed to hold the electrode terminals of the flat batteries (144A to 144D) therebetween in such a way to insulate the electrode terminals from one another, and also include window portions through which the electrode terminals are exposed for the connection.Type: GrantFiled: February 25, 2009Date of Patent: July 8, 2014Assignee: Nissan Motor Co., Ltd.Inventors: Ryuichi Amagai, Naoki Aizawa, Naoto Todoroki
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Patent number: 8747490Abstract: An assembling method for a battery outer case including the steps of: molding a metal container main body with notched holes formed beforehand in its body portion for exposing terminals connected to a flat battery pack; receiving a flat battery pack in the metal container main body while fitting the terminals into the notched holes; covering the metal container main body with a metal lid; and superposing an open end portion of a metal container main body and an end portion of the metal lid with each other thereby to join them to each other by double seaming.Type: GrantFiled: December 2, 2010Date of Patent: June 10, 2014Assignees: Nissan Motor Co., Ltd., Toyo Seikan Kaisha, Ltd.Inventors: Ryuichi Amagai, Etsuo Oogami, Seijirou Yajima, Teruo Segawa, Kazuhiko Tsukada
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Publication number: 20130240529Abstract: The present invention provides a container, a lid body and a method of seaming a container, in which the influence of a load at the time of seaming can be made as small as possible, in the container having a seaming flange portion and a seaming curl portion notched. In a container of a structure in which a seaming flange portion formed at an open end portion of a container body, and a seaming curl portion formed on a periphery of a bottom lid are seamed to be joined to each other, and in which a notch is formed in at least one of the seaming curl portion and the seaming flange portion, a short and small curl portion in which a width of protrusion of the seaming curl portion is partially short is formed in at least one of circumferentially opposite sides of the notched portion.Type: ApplicationFiled: October 21, 2011Publication date: September 19, 2013Applicants: Nissan Motor Co., Ltd., Toyo Seikan Kaisha, Ltd.Inventors: Kei Oohori, Kazuhiko Tsukada, Ryuichi Amagai
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Publication number: 20130229147Abstract: A stationary electric power system including a low profile secondary battery that includes a battery body including an electric power generating element accommodated in an exterior package member. The low profile secondary battery includes a spacer disposed between the battery body and other battery body when the other battery body is stacked on the battery body. The spacer fixes the battery body in a predetermined position. The battery body and the spacer are connected with each other through an elastic body.Type: ApplicationFiled: October 14, 2011Publication date: September 5, 2013Inventors: Ryuichi Amagai, Naoto Todoroki, Michinori Ikezoe, Toshiyuki Motohashi, Tomio Nagashima
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Publication number: 20130065109Abstract: Within outer cover member 111 of laminated film including resin layer 111c, there is installed electricity generating element 112 thereby to constitute battery body 11, peripheral portion 113 of the outer cover member being sealed. Spacer 12 is provided which has fixing portion 121 by which the battery body is fixed to predetermined position, the spacer being arranged between outer peripheral portion of the battery body and outer peripheral portion of another battery body put on the battery body. In range H1 that includes an overlapped portion 14 between the outer peripheral portion and the spacer and is provided at least around the fixing portion of the outer peripheral portion, there is provided elastic resin portion 13 produced through insert molding of elastic resin. This thin battery exhibits satisfied stability in set condition against vibration of motor vehicle. This thin battery exhibits satisfied fixing stability against vehicle vibration.Type: ApplicationFiled: May 19, 2011Publication date: March 14, 2013Applicant: NISSAN MOTOR CO., LTD.Inventors: Ryuichi Amagai, Naoto Todoroki, Michinori Ikezoe, Toshiyuki Motohashi, Tomio Nagashima
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Publication number: 20130052495Abstract: A module terminal includes a terminal main body which is made of a metal plate and an insulative interference preventive member which is mounted on the terminal main body. In the terminal main body, one end portion is connected electrically to an electrode of a battery pack, and a female screw portion is formed integrally on a terminal portion to penetrate therethrough. While a distal end of a male screw faces an end face of the battery pack when the male screw into the female screw portion, the interference preventive member is disposed therebetween.Type: ApplicationFiled: September 30, 2010Publication date: February 28, 2013Inventors: Akira Umetani, Toshiyuki Motohashi, Ryuichi Amagai
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Publication number: 20120141847Abstract: The present invention has been made to provide a battery pack having multiple battery modules each housing a stacked body in which multiple secondary batteries are stacked, and a method of manufacturing such a battery pack, which are capable of reducing the number of voltage detection wires for detecting voltages of the respective secondary batteries housed in the battery modules forming the battery pack. The battery pack includes: multiple battery modules (10A, 10B) each including a stacked body (20) in which multiple secondary batteries (30) are stacked, a pair of output terminals (60, 70), and a voltage detection terminal (80) which is used to detect terminal voltages of the secondary batteries and which has a rated current equal to or larger than a rated current of the pair of output terminals; and a bus bar (930) electrically connecting the voltage detection terminals of the multiple battery modules to each other.Type: ApplicationFiled: July 14, 2010Publication date: June 7, 2012Applicant: NISSAN MOTOR CO., LTD.Inventors: Ryuichi Amagai, Masayuki Nakai, Naoto Todoroki
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Publication number: 20120040234Abstract: A laminated battery formed by laminating a plurality of flat cells each having an electrode tab includes: an insulating member disposed to prevent a short-circuit in the electrode tab; and a terminal connected to the electrode tab, wherein a tip end side of the terminal is supported by a support member provided on the insulating member.Type: ApplicationFiled: May 14, 2010Publication date: February 16, 2012Inventors: Ryuichi Amagai, Masayuki Nakamura
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Publication number: 20110067229Abstract: An assembling method for a battery outer case including the steps of: molding a metal container main body with notched holes formed beforehand in its body portion for exposing terminals connected to a flat battery pack; receiving a flat battery pack in the metal container main body while fitting the terminals into the notched holes; covering the metal container main body with a metal lid; and superposing an open end portion of a metal container main body and an end portion of the metal lid with each other thereby to join them to each other by double seaming.Type: ApplicationFiled: December 2, 2010Publication date: March 24, 2011Applicants: Nissan Motor Co., Ltd., Toyo Seikan Kaisha, Ltd.Inventors: Ryuichi AMAGAI, Etsuo Oogami, Seijirou Yajima, Teruo Segawa, Kazuhiko Tsukada
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Patent number: 7910241Abstract: A battery outer case can provide space saving by reducing the length of protrusion of joint portions between a metal container main body and a metal lid, is free from a thermal influence, and can make it unnecessary to employ additional or extra parts such as a gasket. The battery outer case includes the metal container main body having at least one surface opened with a flat battery pack composed of flat type batteries received therein, and a metal lid for closing an opening formed in the metal container main body. The inside of the container is in communication with the outside thereof so as to have air permeability, and an open end periphery of the metal container main body and a lid end periphery of the metal lid are joined to each other by seaming.Type: GrantFiled: September 13, 2005Date of Patent: March 22, 2011Assignees: Nissan Motor Co., Ltd., Toyo Seikan KaishaInventors: Ryuichi Amagai, Etsuo Oogami, Seijirou Yajima, Teruo Segawa, Kazuhiko Tsukada
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Publication number: 20110014512Abstract: Provided is a battery module in which a stacked body (142) of a plurality of flat batteries (144A to 144D) stacked on one another is housed. The battery module includes the flat batteries, an output terminal, a metal container, insulating plates and an insulating cover (170). Each of the flat batteries (144A to 144D) includes a power-generating element, an exterior package member for sealing the power-generating element, and electrode terminals led out from the exterior package member. The output terminal is used to provide a parallel or series connection between the electrode terminals of the plurality of flat batteries (144A to 144D) and to output power therefrom. The metal container is used to house the stacked body. The insulating plates are disposed to hold the electrode terminals of the flat batteries (144A to 144D) therebetween in such a way to insulate the electrode terminals from one another, and also include window portions through which the electrode terminals are exposed for the connection.Type: ApplicationFiled: February 25, 2009Publication date: January 20, 2011Inventors: Ryuichi Amagai, Naoki Aizawa, Naoto Todoroki
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Patent number: 7659029Abstract: A battery module has stacked therein a plurality of flat cells each formed by sealing a power generating element with a package member and deriving to the exterior electrode tabs from the package member and has the electrode tabs of the flat cells connected electrically. The battery module includes electrically insulated spacers adapted to nip the electrode tab from the opposite surface sides of the electrode tab along the stacking direction of the plurality of flat cells. The paired spacers nipping the electrode tab include an engaging member adapted to fasten the electrode tab by being passed through the electrode tab along the stacking direction.Type: GrantFiled: October 25, 2005Date of Patent: February 9, 2010Assignee: Nissan Motor Co., Ltd.Inventors: Masayasu Ota, Ryuichi Amagai, Taisuke Isonaga, Etsuo Oogami
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Patent number: 7648538Abstract: Unit cells are held in a plate frame to form a cell module. A plurality of the cell modules is laminated in a thickness direction of the frame to form a laminated structure of unit cells. The cell unit is pressurized with heat sinks from both sides in the direction of the lamination, and is integrally held to form a battery.Type: GrantFiled: October 7, 2004Date of Patent: January 19, 2010Assignee: Nissan Motor Co., Ltd.Inventors: Etsuo Oogami, Ryuichi Amagai, Takeshi Shimizu, Satoru Kouda
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Publication number: 20080138698Abstract: A battery module includes a plurality of flat cells and a plurality of nipping plates. Each of the flat cells has a cell main body and at least one electrode tab. The cell main body includes a power storage element sealed in a package member. The electrode tab is electrically connected to the power generating member and protruding outwardly from the cell main body. The flat cells are stacked on one another such that the electrode tabs are electrically connected in a stacking direction. Adjacent ones of the nipping plates in the stacking direction nip the electrode tab and a portion of the cell main body of a corresponding one of the flat cells from both opposite side surfaces of the corresponding one of the flat cells along the stacking direction.Type: ApplicationFiled: December 5, 2007Publication date: June 12, 2008Applicant: NISSAN MOTOR CO., LTD.Inventors: Etsuo OGAMI, Nobuhiro SHIRAISHI, Ryuichi AMAGAI
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Publication number: 20080070102Abstract: A combined battery (100) comprising a plurality of flat-type cells (10A to 10F) by laminating thereof so that polarity of electrode tabs (11A to 11F and 12A to 12F) is alternately set, wherein welding parts to connect in series the flat cells themselves, to compose a set when all the flat-type cells (10A to 10F) are laminated, are separated at a plurality of positions of the combined battery, and the flat-type cells having such a structure that all the flat-type cells are electrically connected in series by welding each of the welding parts.Type: ApplicationFiled: May 30, 2005Publication date: March 20, 2008Inventors: Masashi Watanabe, Yuuji Tanjou, Masayasu Ota, Tsuyoshi Enokida, Hiroaki Kishimoto, Ryuichi Amagai, Teruo Segawa, Muneto Hayami
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Patent number: 7291422Abstract: A battery is provided with a plurality of unit cells stacked in a stack direction, a plurality of conductive members each having an electric conductivity, and a plurality of insulation members each having an insulation property. The plurality of conductive members and the plurality of insulation members are alternately disposed in the stack direction with the plurality of unit cells having respective output terminals being sandwiched such that the plurality of unit cells are electrically connected in the stack direction.Type: GrantFiled: October 7, 2004Date of Patent: November 6, 2007Assignee: Nissan Motor Co., Ltd.Inventors: Etsuo Oogami, Ryuichi Amagai, Tadahiko Morigaki, Tsuyoshi Enokida
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Patent number: 7288341Abstract: A battery frame of the present invention has; any one of a conductive member and an insulating member which are sandwiched between electrode tabs of flat cells arranged in a stacking direction when a battery is formed, the conductive member electrically connecting the flat cells to each other and the insulating member electrically insulating the flat cells from each other; a holding member which holds any one of the conductive member and the insulating member so that the conductive member or the insulating member can swing in the stacking direction; and an electrode supporting portion in which the holding member is provided and which supports each of the electrode tabs of the flat cells. By this structure, it is possible to prevent deformation of the battery frame during the formation of the battery.Type: GrantFiled: March 18, 2005Date of Patent: October 30, 2007Assignee: Nissan Motor Co., Ltd.Inventors: Ryuichi Amagai, Teruo Segawa