Patents by Inventor Etsuo Oogami
Etsuo Oogami 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: 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: 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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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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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: 7270912Abstract: A module battery comprises a cell including an electrode tab and a cell body having a power generating element hermetically sealed in a package film. The module battery has a constitution in which a plurality of the cells are stacked on one another, and the electrode tabs of the cells adjacent to each other in a stacking direction are interconnected. Further, a bent portion of an approximate L-shape toward the stacking direction of the cells is formed in each of the electrode tabs of the cells, and the bent portions of the cells adjacent to each other in the stacking direction are at least partially overlapped with each other so as to be interconnected.Type: GrantFiled: June 30, 2003Date of Patent: September 18, 2007Assignee: Nissan Motor Co., Ltd.Inventor: Etsuo Oogami
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Patent number: 7241530Abstract: A module battery comprises cells each having an electric power generating element hermetically sealed in a package film, and cell holders on each of which each of the cells is mounted and held. The cell holders are formed in configurations so as to allow the cell holders to be freely stacked in a plurality of stages while permitting the cells to be retained thereon and to allow electrode tabs of the cells to be exposed between the cell holders neighboring in a stacking direction. Thus, the module battery can be formed in an easy assembly work.Type: GrantFiled: June 30, 2003Date of Patent: July 10, 2007Assignee: Nissan Motor Co., Ltd.Inventor: Etsuo Oogami
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Patent number: 7166387Abstract: A thin battery is configured with improved durability of foil-like electrode terminals. The thin battery has an electricity-generating element housed inside a battery outer casing with a pair of electrodes of the electricity-generating element being connected to electrode terminals that extend out from the outer edges of the battery outer casing. The electrode terminals have a base portion located partially with the battery outer casing and a tip portion spaced from the battery outer casing with strength transition point being formed between the base portions and the tip portions. The strength transition points of the electrode terminals are positioned to the outside at some distance away from the outer edge of the battery outer casing.Type: GrantFiled: June 5, 2003Date of Patent: January 23, 2007Assignee: Nissan Motor Co., Ltd.Inventor: Etsuo Oogami
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Publication number: 20060121344Abstract: 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: ApplicationFiled: September 13, 2005Publication date: June 8, 2006Applicants: 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: 20060088761Abstract: 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: ApplicationFiled: October 25, 2005Publication date: April 27, 2006Inventors: Masayasu Ota, Ryuichi Amagai, Taisuke Isonaga, Etsuo Oogami
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Publication number: 20050123828Abstract: 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: ApplicationFiled: October 7, 2004Publication date: June 9, 2005Inventors: Etsuo Oogami, Ryuichi Amagai, Tadahiko Morigaki, Tsuyoshi Enokida
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Publication number: 20050089751Abstract: 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: ApplicationFiled: October 7, 2004Publication date: April 28, 2005Inventors: Etsuo Oogami, Ryuichi Amagai, Takeshi Shimizu, Satoru Kouda
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Patent number: 6723466Abstract: A storage battery includes a rolled, laminated battery element made up of two groups of electrode materials composed of positive and negative electrode materials, laminated together through separators, an outer sheathing enclosing therein the laminated battery element, a spindle around which the laminated battery element is wound and rolled up so that the spindle and the laminated battery element are fixedly connected to each other. One axial end of the spindle is constrained in the axial direction of the laminated battery element by the bottom of the outer sheathing, while the other axial end of the spindle is elastically supported by an upper lid portion hermetically covering the opening end, so as to stably support the laminated battery element by the spindle and to prevent displacement of the laminated battery element from its set position even during application of vibrations to the storage battery.Type: GrantFiled: March 13, 2001Date of Patent: April 20, 2004Assignees: Nissan Motor Co., Ltd., Shin-Kobe Electric Machinery Co., Ltd.Inventors: Etsuo Oogami, Tatsuo Horiba
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Publication number: 20040050414Abstract: A module battery comprises a cell including an electrode tab and a cell body having a power generating element hermetically sealed in a package film. The module battery has a constitution in which a plurality of the cells are stacked on one another, and the electrode tabs of the cells adjacent to each other in a stacking direction are interconnected. Further, a bent portion of an approximate L-shape toward the stacking direction of the cells is formed in each of the electrode tabs of the cells, and the bent portions of the cells adjacent to each other in the stacking direction are at least partially overlapped with each other so as to be interconnected.Type: ApplicationFiled: June 30, 2003Publication date: March 18, 2004Applicant: NISSAN MOTOR CO., LTD.Inventor: Etsuo Oogami
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Publication number: 20040036444Abstract: A module battery which includes battery packs each constituted of battery cells and a packing case. Each of the battery cells has a power generating element sealed in a film and a pair of electrode tabs connected thereto. The packing case is provided with an opening for allowing the electrode tabs of the battery cell to extend out of the packing case.Type: ApplicationFiled: June 26, 2003Publication date: February 26, 2004Applicant: NISSAN MOTOR CO., LTD.Inventor: Etsuo Oogami
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Publication number: 20040016455Abstract: A module battery comprises cells each having an electric power generating element hermetically sealed in a package film, and cell holders on each of which each of the cells is mounted and held. The cell holders are formed in configurations so as to allow the cell holders to be freely stacked in a plurality of stages while permitting the cells to be retained thereon and to allow electrode tabs of the cells to be exposed between the cell holders neighboring in a stacking direction. Thus, the module battery can be formed in an easy assembly work.Type: ApplicationFiled: June 30, 2003Publication date: January 29, 2004Applicant: NISSAN MOTOR CO., LTD.Inventor: Etsuo Oogami
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Publication number: 20040001999Abstract: A thin battery is configured with improved durability of foil-like electrode terminals. The thin battery has an electricity-generating element housed inside a battery outer casing with a pair of electrodes of the electricity-generating element being connected to electrode terminals that extend out from the outer edges of the battery outer casing. The electrode terminals have a base portion located partially with the battery outer casing and a tip portion spaced from the battery outer casing with strength transition point being formed between the base portions and the tip portions. The strength transition points of the electrode terminals are positioned to the outside at some distance away from the outer edge of the battery outer casing.Type: ApplicationFiled: June 5, 2003Publication date: January 1, 2004Applicant: Nissan Motor Co., Ltd.Inventor: Etsuo Oogami
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Publication number: 20040002000Abstract: A secondary battery comprises a case having first and second flat end portions. A generator unit is installed in the case. The generator unit includes a plurality of positive and negative electrode plates which are alternatively put on one another placing therebetween separator plates. Positive and negative flat terminals are respectively held by the first and second end portions of the case. Each of the flat terminals includes an inside part exposed to an interior of the case and connected to corresponding ones of the positive and negative electrode plates, a middle part actually held by corresponding one of the first and second flat end portions of the case and an outside part exposed to the outside of the case. A reinforcing structure is associated with the first and second flat end portions of the case to assure and reinforce the holding of the middle part of each flat terminal by corresponding one of the first and second flat end portions of the case.Type: ApplicationFiled: June 20, 2003Publication date: January 1, 2004Applicant: Nissan Motor Co., Ltd.Inventors: Etsuo Oogami, Norihiko Hirata
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Patent number: 6541154Abstract: A multi-cell structure battery (1A) comprising: a plurality of columnar cells accommodated in a casing (11); bus bars (23A, 23B) to connect respective terminals of the cells; signal transmitting wires (16) to connect the respective cells to an external device; a cell holder (12) to hold the cells; and a covering (13) fixed to the cell holder so as to oppose against the terminals of the cells, the bus bars being disposed on an inner surface of the covering opposed to the terminals of the cells and the signal transmitting wires being disposed in an outer surface of the covering.Type: GrantFiled: March 13, 2001Date of Patent: April 1, 2003Assignees: Nissan Motor Co., Ltd., Shin-Kobe Electric Machinery Co., Ltd.Inventors: Etsuo Oogami, Tatsuo Horiba