Patents by Inventor Ryuji OIDE
Ryuji OIDE 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: 20240413504Abstract: A power storage device includes a pair of restraint plates configured to sandwich and restrain a stacked body, a pair of current collector plates, and a pair of insulating plates in a first direction; and a terminal base configured to be provided on a side surface of at least one of the restraint plates extending in a third direction intersecting both the first direction and a second direction, and the first direction, and have a terminal bolt fixed thereto. The at least one of the restraint plates is configured to have a pair of projecting portions projecting in the second direction beyond the side surface having the terminal base fixed thereto when viewed in the first direction.Type: ApplicationFiled: June 8, 2023Publication date: December 12, 2024Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji OIDE, Kazuki Maeda, Satoshi Morioka, Motoyoshi Okumura
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Patent number: 12107300Abstract: The extraction portion of a current collector plate is configured to include a first piece portion extending in a direction orthogonal to the first direction from an outer edge portion provided on an edge of the flat plate portion when viewed from the first direction, a second piece portion extending in the first direction and having an attachment portion that attaches the extraction portion, and a bent portion being where a plate material configuring the extraction portion bends, and connecting the first piece portion and the second piece portion. A spring portion that is configured to relieve a stress acting on the extraction portion is provided between the connection portion to the outer edge portion and the attachment portion in the extraction portion. The spring portion includes at least a first bent portion being where the plate material bends other than at the bent portion.Type: GrantFiled: September 21, 2021Date of Patent: October 1, 2024Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji Oide, Naoto Morisaku, Hiromi Ueda, Satoshi Morioka, Motoyoshi Okumura
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Patent number: 12080840Abstract: The power storage device includes a power storage module and a conductive plate. The power storage module includes an electrode laminate including current collectors stacked on each other in a first direction. At least one of the positive electrode terminal electrode, the negative electrode terminal electrode, and the bipolar electrode includes an active material layer including grooves arranged in a second direction orthogonal to the first direction, and the grooves extend in a third direction crossing the second direction. The conductive plate includes an outer surface including depressions depressed in the first direction and extending in the second direction, the current collector arranged at the stack end of the electrode laminate includes an exposed face in contact with the outer surface, the exposed surface includes protrusions overlapping the active material layer in the first direction, and the protrusions protrude in the first direction and extend in the third direction.Type: GrantFiled: July 30, 2021Date of Patent: September 3, 2024Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi Hamaoka, Taku Inoue, Junichi Iida, Ryuji Oide, Satoshi Morioka, Motoyoshi Okumura
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Publication number: 20240194998Abstract: A power storage device includes a power storage module, a current collector plate, an insulating plate, and a restraint plate. The insulating plate and the restraint plate have different coefficients of thermal expansion. The insulating plate has a facing surface facing the restraint plate, and a first protruding portion provided on the facing surface in a position spaced from a center of the facing surface. The restraint plate is provided with a first hole portion into which the first protruding portion is inserted. The first protruding portion is divided into a first protrusion and a second protrusion in a second direction. The first protrusion is disposed closer to the center of the facing surface in the second direction. The second protrusion is disposed closer to an outer edge of the facing surface in the second direction.Type: ApplicationFiled: March 23, 2022Publication date: June 13, 2024Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji OIDE, Hiromi UEDA, Takeyuki KATO, Satoshi MORIOKA, Motoyoshi OKUMURA
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Patent number: 11658371Abstract: A power storage device includes a power storage module, a pair of current collector plates configured to be stacked to interpose the power storage module in a first direction that is vertical, a pair of insulating plates configured to be stacked to interpose the power storage module and the pair of current collector plates in the first direction; and a pair of restraint plates configured to be stacked to interpose the power storage module, the pair of current collector plates, and the pair of insulating plates in the first direction. The power storage module is configured to include an accommodation space that accommodates an electrolytic solution together with a power generation element. A pressure adjustment valve communicating with the accommodation space is provided on a side surface of the power storage module.Type: GrantFiled: October 7, 2021Date of Patent: May 23, 2023Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji Oide, Hiromi Ueda, Satoshi Morioka, Motoyoshi Okumura
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Publication number: 20220115757Abstract: A power storage device includes a power storage module, a pair of current collector plates configured to be stacked to interpose the power storage module in a first direction that is vertical, a pair of insulating plates configured to be stacked to interpose the power storage module and the pair of current collector plates in the first direction; and a pair of restraint plates configured to be stacked to interpose the power storage module, the pair of current collector plates, and the pair of insulating plates in the first direction. The power storage module is configured to include an accommodation space that accommodates an electrolytic solution together with a power generation element. A pressure adjustment valve communicating with the accommodation space is provided on a side surface of the power storage module.Type: ApplicationFiled: October 7, 2021Publication date: April 14, 2022Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji OIDE, Hiromi Ueda, Satoshi Morioka, Motoyoshi Okumura
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Publication number: 20220094025Abstract: The extraction portion is configured to include a first piece portion extending in a direction orthogonal to the first direction from an outer edge portion provided on an edge of the flat plate portion when viewed from the first direction, a second piece portion extending in the first direction and having an attachment portion that attaches the extraction portion, and a bent portion being where a plate material configuring the extraction portion bends, and connecting the first piece portion and the second piece portion. A spring portion that is configured to relieve a stress acting on the extraction portion is provided between the connection portion to the outer edge portion and the attachment portion in the extraction portion. The spring portion includes at least a first bent portion being where the plate material bends other than at the bent portion.Type: ApplicationFiled: September 21, 2021Publication date: March 24, 2022Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji OIDE, Naoto Morisaku, Hiromi Ueda, Satoshi Morioka, Motoyoshi Okumura
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Publication number: 20220069333Abstract: The power storage device includes a power storage module and a conductive plate. The power storage module includes an electrode laminate including current collectors stacked on each other in a first direction. At least one of the positive electrode terminal electrode, the negative electrode terminal electrode, and the bipolar electrode includes an active material layer including grooves arranged in a second direction orthogonal to the first direction, and the grooves extend in a third direction crossing the second direction. The conductive plate includes an outer surface including depressions depressed in the first direction and extending in the second direction, the current collector arranged at the stack end of the electrode laminate includes an exposed face in contact with the outer surface, the exposed surface includes protrusions overlapping the active material layer in the first direction, and the protrusions protrude in the first direction and extend in the third direction.Type: ApplicationFiled: July 30, 2021Publication date: March 3, 2022Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi HAMAOKA, Taku INOUE, Junichi IIDA, Ryuji OIDE, Satoshi MORIOKA, Motoyoshi OKUMURA
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Patent number: 11211668Abstract: A power storage apparatus has a case accommodating an electrode assembly, and a release valve present in the wall of the case. The electrode assembly includes electrodes. A shielding member is arranged between the inner surface of the wall and the end surface of the electrode assembly. A point located in a center of the case in a front view of the case taken in the stacking direction of the electrodes and located in a center of a dimension of the electrode assembly in the stacking direction is a center point, and a region surrounded by a plane connecting the center point and a contour of the pressure release valve at a shortest distance is a three-dimensional region. The shielding member includes a shielding portion that entirely covers a cross section of the three-dimensional region along the end face of the electrode assembly.Type: GrantFiled: March 31, 2017Date of Patent: December 28, 2021Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tomohiro Nakamura, Takayuki Hirose, Yusuke Yamashita, Masato Ogasawara, Shinji Suzuki, Yasuaki Takenaka, Ryuji Oide, Mikiya Kurita, Atsushi Minagata
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Patent number: 10923703Abstract: An electricity storage apparatus 100 may include: an electrode assembly 3 including a positive electrode and a negative electrode; a tab 9 including one end which is electrically connected to the electrode assembly 3; and a conductive member 20 disposed above the electrode assembly 3, and electrically connected to the tab 9. The tab 9 may include a first bent part 14 provided in a vicinity of the one end of the tab 9, a second bent part 16 provided in a vicinity of another end of the tab 9, and a joining part 18 provided between the first bent part 14 and the second bent part 16 and joined to the conductive member 20. The second bent part 16 may be bent so that the other end of the tab 9 is disposed above the conductive member 20.Type: GrantFiled: November 14, 2016Date of Patent: February 16, 2021Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takayuki Hirose, Mikiya Kurita, Ryuji Oide, Masato Ogasawara
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Patent number: 10879517Abstract: An electricity storage apparatus 100 may include: an electrode assembly 3 including a positive electrode and a negative electrode; a tab 9 including one end which is electrically connected to the electrode assembly 3; and a conductive member 20 disposed above the electrode assembly 3, and electrically connected to the tab 9. The tab 9 may include a first bent part 14 provided in a vicinity of the one end of the tab 9, a second bent part 16 provided in a vicinity of another end of the tab 9, and a joining part 18 provided between the first bent part 14 and the second bent part 16 and joined to the conductive member 20. The second bent part 16 may be bent so that the other end of the tab 9 is disposed above the conductive member 20.Type: GrantFiled: November 14, 2016Date of Patent: December 29, 2020Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takayuki Hirose, Mikiya Kurita, Ryuji Oide, Masato Ogasawara
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Publication number: 20200303702Abstract: This power storage apparatus has a case accommodating an electrode assembly and an electrolytic solution, and a release valve present in the wall of the case. The electrode assembly includes electrodes which have different polarities and are insulated from each other. A shielding member is arranged between the inner surface of the wall and the end surface of the electrode assembly. A point located in a center of the case in a front view of the case taken in the stacking direction of the electrodes and located in a center of a dimension of the electrode assembly in the stacking direction is referred to as a center point, and a region surrounded by a plane connecting the center point and a contour of the pressure release valve at a shortest distance is referred to as a three-dimensional region. The shielding member includes a shielding portion that entirely covers a cross section of the three-dimensional region along the end face of the electrode assembly.Type: ApplicationFiled: March 31, 2017Publication date: September 24, 2020Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tomohiro NAKAMURA, Takayuki HIROSE, Yusuke YAMASHITA, Masato OGASAWARA, Shinji SUZUKI, Yasuaki TAKENAKA, Ryuji OIDE, Mikiya KURITA, Atsushi MINAGATA
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Patent number: 10361422Abstract: A current interruption device includes a conductive plate and a first deformable plate. The conductive plate includes a center portion and a peripheral portion surrounding the center portion. An upper surface of the center portion is formed in a planar shape spreading in a first direction and a second direction orthogonal thereto in a conductive state. The peripheral portion includes an inclined portion extending outward from a boundary between the center portion and the peripheral portion. An upper surface of the inclined portion is inclined so as to increase a distance to the first deformable plate as the upper surface of the inclined portion becomes farther away from the center portion when the conductive plate and the first deformable plate are viewed along the first direction or the second direction in the conductive state.Type: GrantFiled: May 11, 2016Date of Patent: July 23, 2019Assignees: Kabushiki Kaisha Toyota Jidoshokki, Eagle Industry Co., Ltd.Inventors: Takayuki Hirose, Mikiya Kurita, Ryuji Oide, Toshiaki Iwa, Yoshihiro Ogawa, Makoto Mitsuyasu, Norimitsu Akiyoshi
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Patent number: 10340485Abstract: A lid of a rechargeable battery includes a lid body that closes an opening of a case body and is supported by a case-side mating surface surrounding the opening of the case body. The lid also includes an inserted portion having a shape of a quadrangular column. The inserted portion protrudes from the lid body toward an inner part of the case body and extends along an inner circumferential surface of the case body. The lid also includes a rounded corner present in the distal end of the inserted portion in a protruding direction in which the inserted portion protrudes from the lid body. The lower limit of an edge-removal dimension of the corner is equal to an average particle diameter of a material for the lid.Type: GrantFiled: November 9, 2016Date of Patent: July 2, 2019Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Ryuji Oide, Mikiya Kurita
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Publication number: 20190081288Abstract: A lid of of a rechargeable battery includes a lid body that closes an opening of a case body and is supported by a case-side mating surface surrounding the opening of the case body. The lid also includes an inserted portion having a shape of a quadrangular column. The inserted portion protrudes from the lid body toward an inner part of the case body and extends along an inner circumferential surface of the case body. The lid also includes a rounded corner present in the distal end of the inserted portion in a protruding direction in which the inserted portion protrudes from the lid body. The lower limit of an edge-removal dimension of the corner is equal to an average particle diameter of a material for the lid.Type: ApplicationFiled: November 9, 2016Publication date: March 14, 2019Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Ryuji OIDE, Mikiya KURITA
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Publication number: 20180337389Abstract: An electricity storage apparatus 100 may include: an electrode assembly 3 including a positive electrode and a negative electrode; a tab 9 including one end which is electrically connected to the electrode assembly 3; and a conductive member 20 disposed above the electrode assembly 3, and electrically connected to the tab 9. The tab 9 may include a first bent part 14 provided in a vicinity of the one end of the tab 9, a second bent part 16 provided in a vicinity of another end of the tab 9, and a joining part 18 provided between the first bent part 14 and the second bent part 16 and joined to the conductive member 20. The second bent part 16 may be bent so that the other end of the tab 9 is disposed above the conductive member 20.Type: ApplicationFiled: November 14, 2016Publication date: November 22, 2018Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takayuki HIROSE, Mikiya KURITA, Ryuji OIDE, Masato OGASAWARA
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Publication number: 20180183035Abstract: A current interruption device includes a conductive plate and a first deformable plate. The conductive plate includes a center portion and a peripheral portion surrounding the center portion. An upper surface of the center portion is formed in a planar shape spreading in a first direction and a second direction orthogonal thereto in a conductive state. The peripheral portion includes an inclined portion extending outward from a boundary between the center portion and the peripheral portion. An upper surface of the inclined portion is inclined so as to increase a distance to the first deformable plate as the upper surface of the inclined portion becomes farther away from the center portion when the conductive plate and the first deformable plate are viewed along the first direction or the second direction in the conductive state.Type: ApplicationFiled: May 11, 2016Publication date: June 28, 2018Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Eagle Industry Co., Ltd.Inventors: Takayuki HIROSE, Mikiya KURITA, Ryuji OIDE, Toshiaki IWA, Yoshihiro OGAWA, Makoto MITSUYASU, Norimitsu AKIYOSHI