Patents by Inventor Masato Ono
Masato Ono 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: 20250246592Abstract: In a method of manufacturing an electrode body, a slurry is applied on an electrode current collector, and a coating layer is formed so that an uncoated region is formed. The coating layer is dried to form an active material layer. At least one condition selected from the group consisting of: a first slurry applied to a central region of the coating layer; a second slurry applied to an end region adjacent to the non-coated region at the periphery of the central region; and (A) a second slurry having a lower NV than the first slurry; (B) a tap-density of an active material in which the second slurry is included than the first slurry; (C) a second slurry having a lower binder content than the first slurry; and (D) a glass transition temperature of a binder in which the second slurry is included than the first slurry.Type: ApplicationFiled: October 18, 2024Publication date: July 31, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masato Ono, Tomoya Mesuda, Yosuke Shimura
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Publication number: 20250210618Abstract: A method of manufacturing a collector with an electrode of the present disclosure has a step of fabricating a collector with a coating, and a step of fabricating a collector with an electrode. In fabricating the collector with a coating, a composite material slurry is coated on a collector that is a sheet-shaped collector having plural through-holes or is a web-shaped collector having plural through-holes, and a collector with a coating, which has at least one coating of the composite material slurry, is fabricated. In fabricating the collector with an electrode, cooling air is blown onto the through-holes simultaneously with irradiating of light for heating onto the coating of the collector with a coating, and drying the coating to form a positive electrode layer or a negative electrode layer is formed, and the collector with an electrode is fabricated.Type: ApplicationFiled: November 18, 2024Publication date: June 26, 2025Inventors: Hirokazu TAKEUCHI, Yosuke SHIMURA, Tomoya MESUDA, Masato ONO, Tadashi TERANISHI, Takuya ANDO
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Publication number: 20250201934Abstract: A power storage device includes: a wound electrode assembly with a winding axis extending in a predetermined direction, the wound electrode assembly being formed of a stack wound spirally around the winding axis, the stack including a positive electrode in a strip shape, a negative electrode in a strip shape, and a separator in a strip shape; and a case containing an electrolyte solution and the wound electrode assembly. The wound electrode assembly has an outer peripheral surface facing the case. A first hole extending in a direction from the outer peripheral surface toward the winding axis is formed in the wound electrode assembly.Type: ApplicationFiled: December 11, 2024Publication date: June 19, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta TAKASU, Atsushi YAMANAKA, Masato ONO, Satoshi MORIYAMA, Kosuke SUZUKI, Kazuki SUGIE, Kazuya KUMAZAWA
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Publication number: 20250201900Abstract: A power storage device includes: a wound electrode assembly having a winding axis in a predetermined direction, and being formed of a stack wound spirally around the winding axis, the stack including positive and negative electrodes each in a strip shape, and a separator in a strip shape; and a case containing an electrolyte solution and the wound electrode assembly. The wound electrode assembly has an outer peripheral surface facing the case. Each of the positive and negative electrodes has a coated portion coated with an active material and an uncoated portion uncoated with the active material. In the wound electrode assembly, the uncoated portion forms a recessed portion recessed from the outer peripheral surface toward the winding axis, and at least one of the negative and positive electrodes, and the separator is folded to form a thickened portion in the stack to fill the recessed portion.Type: ApplicationFiled: December 11, 2024Publication date: June 19, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta TAKASU, Atsushi YAMANAKA, Masato ONO, Satoshi MORIYAMA, Kosuke SUZUKI, Kazuki SUGIE, Kazuya KUMAZAWA
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Publication number: 20250192385Abstract: A storage cell includes a wound electrode body and a cell case that accommodates the wound electrode body. The wound electrode body includes an electrode plate and a tab lead. The electrode plate includes a current collector foil and an electrode material layer. The electrode material layer covers a part of the current collector foil. The tab lead includes a curved portion and an extending portion. The curved portion is provided on an uncoated portion of the current collector foil that is not coated with the electrode material layer, and extends to be curved along a winding direction of the wound electrode body. The extending portion extends from the curved portion and protrudes to one side of the current collector foil in an axial direction of the wound electrode body. The curved portion includes a groove portion extending along the axial direction.Type: ApplicationFiled: November 20, 2024Publication date: June 12, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta TAKASU, Atsushi YAMANAKA, Masato ONO, Satoshi MORIYAMA, Kosuke SUZUKI, Kazuki SUGIE, Kazuya KUMAZAWA
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Patent number: 12315889Abstract: A battery including power generation units each including a positive electrode layer, a separator layer, and a negative electrode layer. The area of either one of the positive electrode layer and the negative electrode layer is larger than the area of the other one of the positive electrode layer and the negative electrode layer. The power generation units each has a non-facing region. In the non-facing region, a first penetration portion is placed. The power generation units provided as the pair are stacked along the thickness direction via a first current collector including a second penetration portion corresponding to the first penetration portions. In the power generation units provided as the pair, two separator layers facing each other are fixed by a first fixing portion positioned in the first penetration portion and the second penetration portion.Type: GrantFiled: June 28, 2022Date of Patent: May 27, 2025Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Jun Izumi, Masato Ono
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Patent number: 12298688Abstract: A transfer belt includes a substrate layer that includes polyester, silicone particles, and conductive particles.Type: GrantFiled: July 20, 2023Date of Patent: May 13, 2025Assignee: FUJIFILM Business Innovation Corp.Inventors: Kenji Omori, Shogo Hayashi, Jun Kimura, Masato Ono
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Patent number: 12300789Abstract: A non-aqueous electrolyte secondary battery disclosed herein includes a non-aqueous electrolyte and a stacked electrode body including a cell unit, the cell unit including a first electrode, a first separator, a second electrode, and a second separator. The first electrode has a first active material layer. The second electrode has a second active material layer. The first active material layer has a facing region facing the second active material layer at the central part thereof, and has a non-facing region not facing the second active material layer at the outer periphery thereof. The non-facing regions at a pair of opposite ends of the first active material layer each have a through hole. The first separator and the second separator are folded toward the second electrode side outside the non-facing region having a through hole. The first separator and the second separator are joined in a through hole.Type: GrantFiled: February 7, 2022Date of Patent: May 13, 2025Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventor: Masato Ono
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Publication number: 20250149620Abstract: A power storage cell includes: an electrode body in which a sheet member is wound so as to surround a winding axis; and a case in which the electrode body is housed, in which: the sheet member includes an electrode sheet and a separator; the electrode sheet includes a current collector plate and an electrode composite material layer fabricated on the current collector plate; the electrode sheet includes a groove portion extending in a direction of the winding axis, in which the electrode composite material layer is not fabricated; a plurality of the groove portions is fabricated in a direction in which the electrode sheet extends; and an interval between the groove portions on a winding inner side is smaller than an interval between the groove portions on a winding outer side.Type: ApplicationFiled: October 21, 2024Publication date: May 8, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta Takasu, Atsushi Yamanaka, Masato Ono, Satoshi Moriyama, Kosuke Suzuki, Kazuki Sugie, Kazuya Kumazawa
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Publication number: 20250122440Abstract: A lubricant composition fed to an intermediate transfer belt in an intermediate transfer-type electrophotographic image forming method includes solid lubricant particles that are inorganic compound particles having an average size of 120 nm or less and a binder disposed on surfaces of the solid lubricant particles. The content of the binder is 0.01% by mass or more and 20.00% by mass or less of the amount of the lubricant composition.Type: ApplicationFiled: May 15, 2024Publication date: April 17, 2025Applicant: FUJIFILM Business Innovation Corp.Inventors: Masato FURUKAWA, Masayuki SEKO, Daisuke TANEMURA, Masato ONO, Iori NISHIMURA
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Publication number: 20250112291Abstract: A battery module comprising: a plurality of battery cells; and a container containing the battery cells, wherein the container includes a housing containing the battery cells; and a plate-shaped member thermally connected to the housing and partitioning a space in which the battery cells of the housing are accommodated into a plurality of spaces, wherein the plate-shaped member includes a thermally conductive elastic body and a thermally conductive plate disposed on one or both sides of the thermally conductive elastic body.Type: ApplicationFiled: July 2, 2024Publication date: April 3, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi Yamanaka, Masato Ono, Shintaro Utsumi, Kazuhito Kato, Yusuke Kintsu, Takaaki Goto, Hiroki Awano
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Publication number: 20250112292Abstract: A battery module includes: a plurality of battery cells each including a metal layer and a heat seal layer, the plurality of battery cells having a laminate film in which an electrode body is accommodated and a heat seal layer in a peripheral edge portion is joined; a case in which the battery cells are accommodated in a state of being laminated in a thickness direction; and a heat conductive member provided on an inner wall of the case so as to be in contact with the metal layer exposed from the peripheral edge portion and configured to dissipate heat from the battery cells.Type: ApplicationFiled: April 22, 2024Publication date: April 3, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito Kato, Atsushi Yamanaka, Shintaro Utsumi, Masato Ono, Yusuke Kintsu, Takaaki Goto, Hiroki Awano
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Publication number: 20250112295Abstract: A case constituting an outer shape of a second cooler disposed between the battery cells and containing a second fluid having a lower thermal conductivity than the first fluid therein is constituted by a buffer member capable of expanding and contracting in accordance with a flow rate of the second fluid in the case, and the control unit increases a flow rate of the second fluid to be supplied to the second cooler when the temperature of the battery cell is equal to or higher than a predetermined threshold value than when the temperature of the battery cell is lower than the threshold value.Type: ApplicationFiled: July 3, 2024Publication date: April 3, 2025Applicant: Toyota Jidosha Kabushiki KaishaInventors: Shintaro UTSUMI, Masato Ono, Kazuhito Kato, Yusuke Kintsu, Atsushi Yamanaka, Takaaki Goto, Hiroki Awano
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Publication number: 20250105302Abstract: A power storage cell according to the present disclosure includes a wound electrode body and a cell case. The wound electrode body includes a cathode and an anode. The cell case accommodates the wound electrode body. The cell case includes a case body and a lid. The case body opens in one direction. The lid closes the case body. The lid includes a cathode external terminal, an anode external terminal, and an insulating member. The cathode external terminal is directly joined to the case body. The anode external terminal is electrically connected to the anode. The insulating member electrically insulates the cathode external terminal and the anode external terminal. The cathode external terminal is electrically connected to the cathode via the case body.Type: ApplicationFiled: July 2, 2024Publication date: March 27, 2025Applicant: Toyota Jidosha Kabushiki KaishaInventors: Kazuhito KATO, Junta Takasu, Atsushi Yamanaka, Masato Ono, Satoshi Moriyama, Kosuke Suzuki, Kazuki Sugie, Kazuya Kumazawa
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Publication number: 20250105477Abstract: In an energy storage cell according to the present disclosure, a wound electrode assembly includes a first electrode and a second electrode. A first current collector member is connected to the first electrode. A second current collector member is connected to the second electrode. A lid includes a first external terminal and a second external terminal. The first external terminal is disposed so as to overlap the radial center of the wound electrode assembly as viewed in an axial direction. The second external terminal is fixed to a case body. The first current collector member is connected to the first external terminal. The second current collector member is disposed between the case body and the second external terminal. The second current collector member is joined to the second external terminal by being, together with the second external terminal, fixed to the case body.Type: ApplicationFiled: April 16, 2024Publication date: March 27, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta Takasu, Atsushi Yamanaka, Masato Ono, Satoshi Moriyama, Kosuke Suzuki, Kazuki Sugie, Kazuya Kumazawa
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Patent number: 12261262Abstract: An all-solid-state battery manufacturing apparatus disclosed herein includes a transport apparatus, a press roller, and an adhesive provision apparatus. The transport apparatus transports an active material layer. The press roller has a foil attachment surface, which is a cylindrical surface to which the current collection foil is to be attached. The press roller rotates and moves the current collection foil attached to the foil attachment surface to the surface of the active material layer being transported by the transport apparatus and presses the current collection foil and the active material layer between the press roller and the transport apparatus. The adhesive provision apparatus is provided on a movement path of the current collection foil rotated and moved by the foil attachment surface of the press roller, and provides an adhesive to the current collection foil attached to the press roller.Type: GrantFiled: May 14, 2024Date of Patent: March 25, 2025Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Sakamoto, Yuki Nishibu, Tomoya Hioki, Masato Ono, Yosuke Koide, Kazumasa Inata
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Publication number: 20250096440Abstract: In the energy storage cell according to the present disclosure, the first wound electrode assembly includes a first positive electrode and a first negative electrode. The second wound electrode assembly includes a second positive electrode and a second negative electrode. The second positive electrode is not in contact with the first positive electrode. The second negative electrode is not in contact with the first negative electrode. The second wound electrode assembly is formed by winding around the first wound electrode assembly on the outer peripheral side of the first wound electrode assembly. The positive electrode current collector member is electrically connected to both the first positive electrode and the second positive electrode. The negative electrode current collector member is electrically connected to both the first negative electrode and the second negative electrode.Type: ApplicationFiled: June 20, 2024Publication date: March 20, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta TAKASU, Atsushi YAMANAKA, Masato ONO, Satoshi MORIYAMA, Kosuke SUZUKI, Kazuki SUGIE, Kazuya KUMAZAWA
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Publication number: 20250096431Abstract: In a power storage cell according to the present disclosure, the first electrode of the wound electrode assembly includes a sheet-shaped current collector and an electrode composite material layer formed on the current collector. The current collector includes a coated portion on which the electrode composite material layer is coated and an uncoated portion on which the electrode composite material layer is not coated. The uncoated portion protrudes from the coated portion to one side in the axial direction of the wound electrode assembly. The case houses the wound electrode assembly, and includes a cylindrical wall portion and a bottom portion. The cylindrical wall portion is provided so as to cover the outer peripheral side of the wound electrode assembly. The bottom portion is disposed on one side in the axial direction, connected to one end of the cylindrical wall portion, and joined to the uncoated portion by welding.Type: ApplicationFiled: April 24, 2024Publication date: March 20, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta TAKASU, Atsushi Yamanaka, Masato Ono, Satoshi Moriyama, Kosuke Suzuki, Kazuki Sugie, Kazuya Kumazawa
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Publication number: 20250096434Abstract: In a power storage cell, a current collector plate includes a central portion, an outer peripheral edge, a spoke, a first piece, and a second piece. The central portion is disposed to overlap with a center of the wound electrode body when viewed from an The outer peripheral edge is located on the outer peripheral side of the 5 axial direction. central portion. One of the outer peripheral edge and the central portion is connected to the case to electrically connect the current collector plate to the first external terminal. The spoke connects the central portion and the outer peripheral edge. The first piece extends from the central portion toward the outer peripheral edge and is connected to the first electrode. The second piece extends from the outer peripheral edge toward the center portion and is connected to the first electrode.Type: ApplicationFiled: August 13, 2024Publication date: March 20, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta Takasu, Atsushi Yamanaka, Masato Ono, Satoshi Moriyama, Kosuke Suzuki, Kazuki Sugie, Kazuya Kumazawa
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Publication number: 20250096303Abstract: A method of manufacturing a power storage cell includes: forming a wound electrode assembly by winding a positive electrode, a negative electrode, and a separator; fixing a winding end portion, in a winding direction, of the wound electrode assembly, by a fixing member; housing, in a cell case, the wound electrode assembly having the winding end portion fixed by the fixing member; injecting an electrolyte solution in the cell case; and releasing fixing of the winding end portion by the fixing member, after the wound electrode assembly is housed in the cell case and the electrolyte solution is injected in the cell case.Type: ApplicationFiled: September 12, 2024Publication date: March 20, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhito KATO, Junta TAKASU, Atsushi YAMANAKA, Masato ONO, Satoshi MORIYAMA, Kosuke SUZUKI, Kazuki SUGIE, Kazuya KUMAZAWA