Patents by Inventor Tatsuya Oga
Tatsuya Oga 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: 20250232893Abstract: A routing structure of a wire harness includes a wire harness including a detection wire connecting a bus bar and a connector; and a protector; in which the wire harness includes a protecting portion protected by the protector, a first exposed portion, and a second exposed portion, the first exposed portion projects out from the protector toward the bus bar, the second exposed portion projects out from the protector toward the connector, and the protector is configured to accommodate the protecting portion so as to extend the first exposed portion and the second exposed portion side by side, and to change a distance between the first exposed portion and the second exposed portion.Type: ApplicationFiled: December 27, 2024Publication date: July 17, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa
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Publication number: 20250233332Abstract: A protector includes a case unit including an accommodation chamber that accommodates an extra length portion of a flexible printed wiring board to which a connector is connected, and a guide portion extending along a sliding direction; and a slide body that includes a holding portion that holds a portion between the connector and the extra length portion in the flexible printed wiring board and moves along the sliding direction while being guided by the guide portion. The case unit and the slide body are configured to cause the extra length portion to be extended from the accommodation chamber when the slide body is moved to a first side in the sliding direction, and cause the extra length portion extending from the accommodation chamber to be accommodated in the accommodation chamber when the slide body is moved to a second side in the sliding direction.Type: ApplicationFiled: December 27, 2024Publication date: July 17, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa
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Publication number: 20250233278Abstract: A conductive module includes a bus bar physically and electrically connected to an electrode terminal of one or a pair of battery cells of a battery module in which a plurality of the battery cells is arranged, a first circuit conductor that transmits battery state information of each of the battery cells to a battery monitoring device, a second circuit conductor that is responsible for transmission and reception of a signal between the battery monitoring device and a battery management device that performs battery management control on the battery module, a first connector that is connector-connected to the battery monitoring device to transmit the battery state information from the first circuit conductor to the battery monitoring device, and a second connector that is connector-connected to the battery management device to transmit and receive a signal.Type: ApplicationFiled: December 17, 2024Publication date: July 17, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa, Masato Tanaka
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Publication number: 20250233281Abstract: A conductive module includes: a bus bar that is physically and electrically connected to electrode terminals of a pair of battery cells in a battery module in which a plurality of battery cells are arranged; a circuit conductor component that includes a circuit conductor for each bus bar and is formed flat, the circuit conductor electrically connecting the bus bar to a battery monitoring unit; a bus bar holding member that holds a plurality of bus bars; and a circuit holding member that holds the circuit conductor component and is capable of being assembled to the bus bar holding member in a state of covering the bus bar at a connection completion position physically and electrically connected to the electrode terminal.Type: ApplicationFiled: December 27, 2024Publication date: July 17, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa, Masato Tanaka, Daiki Tanaka
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Publication number: 20250226544Abstract: A conductive module includes a bus bar assembly component including bus bars that are physically and electrically connected to electrode terminals of battery cells, and a bus bar holding portion that holds a plurality of the bus bars, in which the bus bar assembly component that matches a specification of the battery module to be connected is assembled to the battery module from among a plurality of types prepared according to the specification of the battery module; and a circuit conductor assembly component including a circuit conductor for each of the bus bars, in which the circuit conductor assembly component that matches the specification of the battery module to be connected is assembled to the battery module from among a plurality of types prepared according to the specification of the battery module.Type: ApplicationFiled: December 27, 2024Publication date: July 10, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa, Masato Tanaka, Daiki Tanaka
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Publication number: 20250212322Abstract: A bus bar module includes: a first module including a first substrate that is a flexible printed circuit, and a device connection unit that connects a circuit of the first substrate to an external device; and a second module including a second substrate configured to be connectable to the first substrate, and at least one bus bar connected to a circuit of the second substrate. The first module may have at least one bus bar connected to the circuit of the first substrate.Type: ApplicationFiled: December 17, 2024Publication date: June 26, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa, Masato Tanaka
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Publication number: 20250210821Abstract: A bus bar module includes: a plurality of bus bars arranged in an arrangement direction; a flexible printed circuit including a plurality of detection lines connected to the plurality of bus bars; and a device connection unit provided on the flexible printed circuit to connect the plurality of detection lines to an external device, in which a position of the device connection unit in the arrangement direction is between bus bars at both ends. The device connection unit may be positioned in the middle between the bus bars at both ends in the arrangement direction.Type: ApplicationFiled: December 17, 2024Publication date: June 26, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa, Masato Tanaka
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Publication number: 20250210823Abstract: A bus bar module includes: bus bar group including a plurality of bus bars arranged at intervals along an arrangement direction; and a plurality of detection lines connected to the bus bars of the bus bar group, in which at least one detection line among the plurality of detection lines includes a first portion, a second portion, and a third portion wired between two adjacent ones of the bus bars to connect the first portion and the second portion, the first portion is wired on a first side with respect to the bus bar group in a width direction orthogonal to the arrangement direction when the bus bar group is viewed in a plan view, and the second portion is wired on a second side with respect to the bus bar group in the width direction.Type: ApplicationFiled: December 11, 2024Publication date: June 26, 2025Inventors: Katsunori Sato, Tatsuya Oga, Mariko Nakagawa, Masato Tanaka
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Publication number: 20250183463Abstract: A busbar module includes a first circuit body, a second circuit body, and an electronic component. First and second wiring patterns are electrically connected to each other at an overlapping portion of first and second main line portions. Among a plurality of first and second contact portions, a first and second wiring portion extends from one of the first and second contact portions to one side in an intersecting direction intersecting a stacking direction, and a first and second wiring portion extends from the other first and second contact portion to the other side in the intersecting direction.Type: ApplicationFiled: January 30, 2025Publication date: June 5, 2025Inventors: Hirotaka Mukasa, Tatsuya Oga, Yoshiki Aoshima
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Publication number: 20250183496Abstract: A busbar module includes: a first circuit body formed of a flexible substrate and including a first main line portion and a first branch line portion; a second circuit body that is formed of a flexible substrate having a second wiring pattern and that includes a second main line portion and a second branch line portion; an electronic component; and a holder. The first and second wiring patterns are electrically connected to each other at an overlapping portion of the first and second main line portions.Type: ApplicationFiled: January 31, 2025Publication date: June 5, 2025Inventors: Hirotaka Mukasa, Tatsuya Oga, Yoshiki Aoshima
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Publication number: 20250174842Abstract: A busbar module to be attached to a battery assembly includes: a first circuit body having a first wiring pattern; a second circuit body having a second wiring pattern; and electronic components each attached to a first branch line portion and a second branch line portion to each connect the first and second wiring patterns to the corresponding busbar. The first and the second wiring patterns are electrically connected at an overlapping portion of the first and second main line portions. Each of the first circuit body and the second circuit body has a slit-shaped isolation hole portion between adjacent connection points among a plurality of connection points in each of which a first contact portion and a second contact portion are connected. The isolation hole portion penetrates the overlapping portion in a thickness direction.Type: ApplicationFiled: January 31, 2025Publication date: May 29, 2025Inventors: Hirotaka Mukasa, Tatsuya Oga, Yoshiki Aoshima
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Publication number: 20250174840Abstract: A busbar module to be attached to a battery assembly includes: a first circuit body having a first wiring pattern; a second circuit body having a second wiring pattern; and an electronic component attached to first and second branch line portions to connect the first and second wiring patterns and busbars. The first and second wiring patterns are electrically connected at an overlapping portion of first and second main line portions. The busbar module further includes a waterproof portion that seals the overlapping portion in a watertight manner.Type: ApplicationFiled: January 30, 2025Publication date: May 29, 2025Inventors: Hirotaka Mukasa, Tatsuya Oga, Yoshiki Aoshima
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Publication number: 20250071900Abstract: A circuit body is a flexible substrate including a plurality of conductor layers having a plurality of conductor patterns and a plurality of insulating layers arranged in a manner of sandwiching the conductor layers therebetween. In each of the conductor patterns, a contact portion is provided in a first conductor layer, and is exposed to an outside through an opening provided in a first insulating layer. A plurality of the contact portions include a first contact portion belonging to the conductor pattern extending across the first conductor layer and a second conductor layer different from the first conductor layer, and a second contact portion belonging to the conductor pattern only provided on the first conductor layer and located at a position farther from a terminal end of the flexible substrate than the first contact portion. In the second conductor layer, a dummy pattern is arranged near the first contact portion.Type: ApplicationFiled: August 12, 2024Publication date: February 27, 2025Inventors: Hidehiko Shimizu, Tatsuya Oga
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Publication number: 20250046957Abstract: A busbar module to be attached to a battery assembly in which a plurality of single cells are stacked, the busbar module includes a main line circuit body formed of a flexible substrate having a first wiring pattern and disposed to extend along a stacking direction of the plurality of single cells, a branch line circuit body formed of a flexible substrate having a second wiring pattern and extending so as to branch from the main line circuit body, the second wiring pattern being electrically connected to the first wiring pattern, a busbar connected to an electrode of each of the plurality of single cells, an electronic component attached to a mounting surface of the branch line circuit body so as to connect the second wiring pattern and the busbar, and a holder configured to hold the busbar and be extendable and contractible along the stacking direction.Type: ApplicationFiled: August 26, 2024Publication date: February 6, 2025Inventors: Hirotaka Mukasa, Tatsuya Oga, Hirokuni Koike, Yoshiki Aoshima, Kimitoshi Makino
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Publication number: 20250015445Abstract: A wiring component includes a circuit conductor for each of bus bars and is formed to be flexible and flat. The wiring component includes a wiring main body that runs parallel in an arrangement direction of a battery cells, a wiring intersection body that is connected to one end of the wiring main body in the arrangement direction so as to intersect the arrangement direction on the same plane and protrudes from one side end of the wiring main body along the arrangement direction, and a wiring branch body that is branched from the one side end of the wiring main body for each of the plurality of bus bars, and a bent region provided at one end of the wiring main body is bent to change an insertion/removal direction of a connector attached to a distal end of the wiring intersection body with respect to a mating connector.Type: ApplicationFiled: June 24, 2024Publication date: January 9, 2025Inventors: Tatsuya Oga, Hirokuni Koike, Yoshiki Aoshima, Kimitoshi Makino
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Publication number: 20240347868Abstract: The bus bar module includes a circuit body composed of a flexible substrate provided with a circuit wiring. The circuit body includes a belt-shaped main body extending along a predetermined direction and a plurality of bus bar portions arranged at a distance in an extending direction of the main body. At least a part of the bus bar portions is arranged to overlap with the main body.Type: ApplicationFiled: April 9, 2024Publication date: October 17, 2024Applicant: YAZAKI CORPORATIONInventors: Tatsuya OGA, Hirokuni KOIKE, Yoshiki AOSHIMA, Kimitoshi MAKINO
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Publication number: 20240339732Abstract: A bus bar module includes a bus bar that connects one terminal of a first single battery and one terminal of a second single battery which project in parallel with each other; and a bus bar case having insulating properties that includes a housing part which houses the bus bar and a cover which is mounted to the housing part. The housing part includes a side wall part having a frame shape that surrounds the bus bar from a direction perpendicular to a connection direction of the terminals, and a support part that supports the bus bar from a side of a first opening facing the first single battery or the second single battery. The cover includes a cover body that covers a second opening opposite to the first opening, and a projecting part that projects from the cover body toward the first opening and contacts the bus bar.Type: ApplicationFiled: April 2, 2024Publication date: October 10, 2024Applicant: YAZAKI CORPORATIONInventors: Mariko NAKAGAWA, Hirotaka Mukasa, Tatsuya Oga
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Publication number: 20240178527Abstract: A busbar module that can be brought into a folded state and a busbar module attachment method. The busbar module includes a case configured to be installed on the battery assembly, a plurality of busbars supported by the case and configured to be respectively connected to single cells, and a routing material electrically connected to the busbars and routed in the case. The case includes a plurality of divided cases that are divided in a direction in which the single cells are arranged, and a connection structure connecting adjacent divided cases of the divided cases with each other. The connection structure displaces the divided cases into a folded state in which the divided cases are rotated so that adjacent divided cases overlap each other and an expanded state in which the divided cases are situated on a same plane.Type: ApplicationFiled: November 28, 2023Publication date: May 30, 2024Applicant: Yazaki CorporationInventors: Tatsuya OGA, Hirotaka Mukasa, Daiki Tanaka, Seigo Mochizuki, Yoshiki Aoshima, Taiki Unno
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Publication number: 20230369725Abstract: The present disclosure relates to a busbar module to be attached to a battery assembly in which a plurality of single cells are stacked. The busbar module includes a main line circuit body including a plurality of electric wires, and disposed to extend along a stacking direction of the plurality of single cells, a relay circuit body including a circuit board having a wiring pattern, the wiring pattern being electrically connected to at least one of the electric wires extending to branch from the main line circuit body, a busbar connected to an electrode of each of the plurality of single cells, an electronic component attached to a mounting face of the relay circuit body to connect the wiring pattern to the busbar, and a holder holding the busbar and extendable and contractible along the stacking direction.Type: ApplicationFiled: April 27, 2023Publication date: November 16, 2023Applicant: Yazaki CorporationInventors: Hirotaka MUKASA, Tatsuya OGA, Hirokuni KOIKE, Yoshiki AOSHIMA
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Patent number: 11646458Abstract: A busbar module includes: a circuit body having a flexible circuit board; busbars; and a holder. The circuit body has: conductor layers and protective layers to form a multiple-layered structure of wiring patterns; a band-shaped main strip to be located to extend in a stacking direction of cells; and a band-shaped branch strip branched from the main strip. The branch strip has: a bent portion extending in the stacking direction and having a bent shape around an axis crossing the stacking direction; and a connection portion disposed closer to an end of the branch strip than the bent portion and connected to the corresponding busbar. The bent portion has a thin-layer portion having a shape formed by removing, from the flexible circuit board, a part of the protective layers corresponding to a part of the conductor layers without being used as the wiring pattern in the branch strip.Type: GrantFiled: May 13, 2020Date of Patent: May 9, 2023Assignee: Yazaki CorporationInventors: Tomoji Yasuda, Yoshiaki Ichikawa, Tatsuya Oga