Patents by Inventor Motoyoshi Okumura

Motoyoshi Okumura 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).

  • Patent number: 11552359
    Abstract: A power storage device includes a plurality of power storage modules laminated, a conductive plate and a sealing member. The conductive plate and the sealing member are provided between the power storage modules adjacent to each other in a laminating direction of the power storage modules. The plurality of power storage modules each have an electrode laminate, an electrolytic solution, and a sealing body. The electrode laminate has electrode exposed portions exposed from the sealing body at one end and the other end in the laminating direction. Between the power storage modules adjacent to each other in the laminating direction, the conductive plate is disposed between the electrode exposed portions opposing each other to be in contact with the electrode exposed portions, and at least a portion between the sealing bodies opposing each other is filled with the sealing member.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: January 10, 2023
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi Hamaoka, Taku Inoue, Hiromi Ueda, Kojiro Tamaru, Satoshi Morioka, Motoyoshi Okumura
  • Patent number: 11552356
    Abstract: An electricity storage device member is provided. The electricity storage device member includes a base material mainly composed of a metal and a resin layer stacked on the base material, in which the resin layer contains a crosslinked fluororesin.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: January 10, 2023
    Assignees: Sumitomo Electric Fine Polymer, Inc., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Makoto Nakabayashi, Hong-Phuc Nguyen, Keiji Kaita, Motoyoshi Okumura, Takuro Kikuchi
  • Publication number: 20220376351
    Abstract: A power storage module includes power storage elements having electrode surfaces of positive electrode surfaces and negative electrode surfaces on front and back surfaces thereof, a conductive member electrically connected to the electrode surfaces of the power storage elements, and a wiring module electrically connected to the conductive member. The power storage elements are arranged in an arrangement direction such that the electrode surfaces of the power storage elements that are adjacent to each other are opposed to each other. The electrode surfaces of the power storage elements that are adjacent to each other are electrically connected by the conductive member that is disposed between the power storage elements that are adjacent to each other. The wiring module is disposed between the power storage elements that are adjacent to each other. The conductive member and the wiring module are disposed inside an outline of the power storage elements seen from the arrangement direction.
    Type: Application
    Filed: October 20, 2020
    Publication date: November 24, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nobuyuki MATSUMURA, Hiroki SHIMODA, Motoyoshi OKUMURA, Takuro KIKUCHI, Satoshi MORIOKA, Daiki TERASHIMA
  • Publication number: 20220349923
    Abstract: A voltage detection unit includes a voltage detection terminal, a housing including a terminal accommodating concave and a cover to he attached to the housing and to cover the voltage detection terminal accommodated in the terminal accommodating concave. The cover includes an extension piece extending in a first direction. The housing includes an accommodating hole to accommodate the extension piece, and a guide portion including an inclined surface and a guide surface. The inclined surface has a first end in the first direction and a second end and is inclined with respect to the first direction such that the first end is provided closer to the accommodating hole than the second end in a second direction perpendicular to the first direction and being parallel to the housing. The guide surface is continuous with the inclined surface and an inner wall surface of the accommodating hole.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Applicants: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi MORIOKA, Motoyoshi OKUMURA, Hiromi UEDA, Naoto MORISAKU, Yutaro OKAZAKI, Shinichi YANAGIHARA
  • Publication number: 20220349946
    Abstract: A voltage detection unit includes a voltage detection terminal configured to be conductively connected to a detection target, an electric wire conductively connected to the voltage detection terminal and a housing having a plate shape and including a terminal accommodating concave configured to accommodate the voltage detection terminal, an electric wire accommodating concave defined by a first groove side wall, a second groove side wall and a groove bottom surface, and configured to accommodate the electric wire and to guide the electric wire out of the housing and an electric wire restricting portion configured to hold the electric wire between the electric wire restricting portion and the groove bottom surface and to prevent the electric wire from being displaced out of the electric wire accommodating concave.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Applicants: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi Morioka, Motoyoshi Okumura, Hiromi Ueda, Naoto Morisaku, Yutaro Okazaki, Shinichi Yanagihara
  • Publication number: 20220349945
    Abstract: A voltage detection unit includes a voltage detection terminal, an electric wire, a housing including a terminal accommodating concave and an electric wire accommodating concave, and a cover. The cover includes an extension piece extending in a first direction in which the cover is attached to the housing. The housing includes an accommodating hole to accommodate the extension piece. The electric wire accommodating concave includes an inclined surface and a guide surface. The inclined surface is inclined with respect to the first direction such that a first thereof end is provided closer to the accommodating hole than a second end thereof in a second direction perpendicular to the first direction and being parallel to the housing. The guide surface is continuous with the inclined surface and continuous with an inner wall surface of the accommodating hole.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Applicants: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi MORIOKA, Motoyoshi OKUMURA, Hiromi UEDA, Naoto MORISAKU, Yutaro OKAZAKI, Hideki INOUE
  • Publication number: 20220349922
    Abstract: A voltage detection unit includes a voltage detection terminal including a first portion configured to be conductively connected to a detection target and a second portion, a housing having a plate shape and including a terminal accommodating concave configured to accommodate the voltage detection terminal, a cover configured to be engaged with the housing at a temporary locking position at which the cover does not cover the first portion of the voltage detection terminal accommodated in the terminal accommodating concave and at a final locking position at which the cover covers the first portion and an electric wire conductively connected to the voltage detection terminal at the second portion and configured to, when the voltage detection terminal is accommodated in the terminal accommodating concave, be drawn out from the housing.
    Type: Application
    Filed: April 21, 2022
    Publication date: November 3, 2022
    Applicants: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yutaro OKAZAKI, Shinichi Yanagihara, Satoshi Morioka, Motoyoshi Okumura, Hiromi Ueda, Naoto Morisaku, Motoo Nojima, Ryosuke Murata
  • Publication number: 20220352608
    Abstract: There is provided a plate for a battery stack including: a plate-shaped terminal to which an electric wire is connected; and a plate-shaped housing having an accommodating recess where the terminal is accommodated. The accommodating recess includes a retaining hole, and the terminal includes a connection portion that is electrically connected to a counterpart member, and a retaining piece that is inserted into the retaining hole and locked to the retaining hole.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Applicants: Yazaki Corporation, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yutaro Okazaki, Shinichi Yanagihara, Satoshi Morioka, Motoyoshi Okumura, Hiromi Ueda, Naoto Morisaku
  • Publication number: 20220352567
    Abstract: A voltage detection unit includes a voltage detection terminal, a housing having an accommodating concave portion to accommodate the voltage detection terminal and a cover to be attached to the housing while covering the accommodating concave portion. The cover is locked to the housing at a temporary locking position at which the cover covers a part of the accommodating concave portion and at a final locking position at which the cover covers an entirety of the accommodating concave portion. The cover includes a main body portion including a locking portion, and a locking piece. The housing includes a locked portion to be locked to the locking portion, a locking hole to accommodate the locking piece and an extending portion formed by a part of an edge of the locking hole. The locking piece is accommodated in the locking hole when the cover is at the temporary locking position.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Applicants: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi MORIOKA, Motoyoshi OKUMURA, Hiromi UEDA, Naoto MORISAKU, Yutaro OKAZAKI, Shinichi YANAGIHARA
  • Publication number: 20220352578
    Abstract: There are provided a plate for a buttery stack and battery stack including: a plate-shaped housing having a fitting groove provided in a recessed shape in a first plate side surface of the plate for the battery stack along a longitudinal direction thereof; a plurality of bottomed first recessed holes formed side by side in a direction orthogonal to a plate thickness direction of the plate for the battery stack, and extending from a second plate side surface opposite to the first plate side surface; and a plurality of second recessed holes formed side by side in the direction orthogonal to the plate thickness direction, and extending from a bottom portion of the fitting groove to be positioned between the two adjacent first recessed holes.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Applicants: Yazaki Corporation, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi MORIOKA, Motoyoshi OKUMURA, Hiromi UEDA, Naoto MORISAKU, Ryuta TAKISHITA, Yutaro OKAZAKI, Shinichi YANAGIHARA
  • Publication number: 20220352587
    Abstract: There are provided a plate for a battery stack configured to be sandwiched between a plurality of power storage modules, and a battery stack. The plate for the battery stack includes: a plate-shaped housing having a fitting groove provided in a recessed shape in a first plate side surface of the plate for a battery stack along a longitudinal direction thereof, the fitting groove being a groove configured to fit with a side edge portion of a conductive plate disposed between the plurality of stacked power storage modules; and a plurality of recessed holes formed side by side in a direction orthogonal to a plate thickness direction of the plate for a battery stack, and extending from a second plate side surface of the housing.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Applicants: Yazaki Corporation, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yutaro OKAZAKI, Shinichi Yanagihara, Satoshi Morioka, Motoyoshi Okumura, Hiromi Ueda, Naoto Morisaku
  • Publication number: 20220274164
    Abstract: A surface treatment method for a hydrogen absorbing alloy powder of the present disclosure is used for a surface treatment on a hydrogen absorbing alloy powder containing rare earth elements and nickel as constituent elements, including an immersion process in which the hydrogen absorbing alloy powder is immersed in an aqueous alkaline solution; and a removal process in which a liquid containing the hydrogen absorbing alloy powder immersed in the aqueous alkaline solution is introduced into a liquid cyclone, and undesired substances having a smaller specific gravity than the hydrogen absorbing alloy powder adhered to the surface of the hydrogen absorbing alloy powder are removed.
    Type: Application
    Filed: February 8, 2022
    Publication date: September 1, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masashi KODAMA, Motoyoshi Okumura
  • Publication number: 20220247023
    Abstract: A power storage device includes a module laminate including a plurality of power storage modules arranged in one direction; a pair of end plates respectively arranged at both ends of the module laminate in the one direction; a fastening bolt configured to fasten the pair of end plates together around the module laminate and apply a predetermined restraint load to the module laminate via the end plate; and a collar member including a through-hole allowing the fastening member to be inserted therethrough, the collar member being sandwiched by the pair of end plates around the module laminate. The through-hole of the collar member is eccentric with respect to a center axis of the collar member so as to approach a side where the module laminate is arranged.
    Type: Application
    Filed: May 25, 2020
    Publication date: August 4, 2022
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoto MORISAKU, Hirokazu KOTAKE, Satoshi MORIOKA, Motoyoshi OKUMURA, Takuro KIKUCHI
  • Publication number: 20220190327
    Abstract: A hydrogen storage alloy suitable for a negative electrode of an on-board alkaline storage battery, an alkaline storage battery using this hydrogen storage alloy, and a vehicle; wherein a fine-grained hydrogen storage alloy is used for an alkaline storage battery that has a crystal structure of an A2B7-type structure as a main phase and is represented by a general formula: (La1-aSma)1-bMgbNicAldCre (where suffixes a, b, c, d, and e meet the following conditions: 0?a?0.35, 0.15?b?0.30, 0.02?d?0.10, 0?e?0.10, 3.20?c+d+e?3.50, and 0<a+e), and an alkaline storage battery using this hydrogen storage alloy for a negative electrode. A vehicle also includes this alkaline storage battery as an electricity supply source for a motor.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 16, 2022
    Applicants: JAPAN METALS AND CHEMICALS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Takao SAWA, Saki NOTOYAMA, Tomoki SOUMA, Katsuyuki KUDO, Takuya WATANABE, Masato HOZUMI, Motoyoshi OKUMURA, Masashi KODAMA, Takuro KIKUCHI, Takeo OKANISHI, Atsushi MINAGATA, Shuhei MOCHIDA, Hiroyuki SASAKI, Satoshi KONO
  • Patent number: 11361910
    Abstract: A power storage module includes an electrode laminate in which bipolar electrodes are laminated and a sealing body formed of a resin. The bipolar electrode includes an electrode plate, a positive electrode provided on one surface of the electrode plate, and a negative electrode provided on another surface of the electrode plate. The sealing body is provided on a side surface of the electrode laminate to surround an edge portion of the bipolar electrode. The sealing body includes a first resin portion and a second resin portion. The first resin portion is welded to the edge portion of the bipolar electrode. The second resin portion surrounds the first resin portion from an outer side along the side surface. A mold shrinkage factor of the first resin portion is lower than a mold shrinkage factor of the second resin portion.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: June 14, 2022
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiro Nakamura, Yuki Chujo, Masahiro Yamada, Takayuki Hirose, Nobuyasu Haga, Motoyoshi Okumura
  • Publication number: 20220115757
    Abstract: 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: Application
    Filed: October 7, 2021
    Publication date: April 14, 2022
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryuji OIDE, Hiromi Ueda, Satoshi Morioka, Motoyoshi Okumura
  • Publication number: 20220094025
    Abstract: 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: Application
    Filed: September 21, 2021
    Publication date: March 24, 2022
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryuji OIDE, Naoto Morisaku, Hiromi Ueda, Satoshi Morioka, Motoyoshi Okumura
  • Publication number: 20220093956
    Abstract: The power storage device includes power storage units arranged with a conductive plate interposed therebetween in the vertical direction, each of the power storage units includes an electrode stack including bipolar electrodes stacked with a separator interposed therebetween, and a sealing member provided around the electrode stack so as to seal a housing space formed between adjacent electrodes of the electrode stack. At least one of the power storage units is provided with an overhang member on an outer peripheral surface of the sealing member. The overhang member includes an inclined portion that extends from the outer peripheral surface of the sealing member toward the outside of the power storage unit and inclines downward as it leaves away from the outer peripheral surface of the sealing member, and a top portion formed at a lower end of the inclined portion.
    Type: Application
    Filed: December 24, 2019
    Publication date: March 24, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki TERASHIMA, Satoshi MORIOKA, Takuro KIKUCHI, Motoyoshi OKUMURA, Kojiro TAMARU, Hiromi UEDA, Satoshi HAMAOKA, Masahiro YAMADA
  • Publication number: 20220069333
    Abstract: 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: Application
    Filed: July 30, 2021
    Publication date: March 3, 2022
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi HAMAOKA, Taku INOUE, Junichi IIDA, Ryuji OIDE, Satoshi MORIOKA, Motoyoshi OKUMURA
  • Publication number: 20220069395
    Abstract: A power storage device includes a plurality of power storage modules laminated in a first direction via a conductive plate. A plurality of power storage modules include a plurality of laminates including each of the plurality of laminated electrodes, and a sealed body provided on each side surface of a plurality of laminates. The plurality of laminates are restrained in the first direction by a restraining member in a state of being laminated via the conductive plate. The sealed body includes a main body portion covering each side surface of the plurality of laminates, protruding portions protruding in the width direction intersecting the first direction with end portions of the main body portion as base ends, and at least one deformation suppressing portion protruding from the protruding portion in the first direction and forming a protruding shape.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 3, 2022
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro YAMADA, Hiromi UEDA, Satoshi MORIOKA, Motoyoshi OKUMURA, Takuro KIKUCHI