Patents by Inventor RYUTARO NISHIKAWA

RYUTARO NISHIKAWA 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: 11489234
    Abstract: An energy storage apparatus includes an energy storage device including an electrode terminal which protrudes in a first direction, an outer housing containing the energy storage device, an outer electrode attached to an outside of the outer housing and protruding in the first direction, an electrical device disposed inside the outer housing, a first electrical conductor connecting the outer electrode and the electrical device, and a second electrical conductor connecting the electrical device and the electrode terminal. When viewed from the first direction, the electrical device is disposed between the electrode terminal and the outer electrode.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: November 1, 2022
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Ryutaro Nishikawa, Masamitsu Tononishi, Osamu Ushijima, Shogo Tsuruta
  • Patent number: 11444351
    Abstract: An energy storage apparatus includes: an outer case having a box-shaped outer case and a lid covering one side of the outer case body in a predetermined direction; and an inner lid disposed on one side of one end portion of the energy storage device on the one side in the predetermined direction. The outer case body includes a pair of first side walls facing each other, and a pair of first fixing portions that are respectively provided on the pair of first side walls and attach the inner lid. The inner lid includes a pair of second fixing portions that are respectively connected with the pair of first fixing portions and are arranged at a predetermined distance from each other. The outer case body and the inner lid are fixed by connecting the pair of first fixing portions and the pair of second fixing portions with each other.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: September 13, 2022
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventor: Ryutaro Nishikawa
  • Patent number: 11114718
    Abstract: An energy storage apparatus which includes an energy storage device, an outer case, and an adhesive material which is injected between at least one surface out of a first surface and a second surface which are two surfaces of the energy storage device disposed adjacently to each other and an inner surface of the outer case thus making the at least one surface and the inner surface of the outer case adhere to each other by surface adhesion.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: September 7, 2021
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Ryutaro Nishikawa, Yuta Kawai, Masamitsu Tononishi, Shogo Tsuruta
  • Publication number: 20210013461
    Abstract: An energy storage apparatus includes: an outer case having a box-shaped outer case and a lid covering one side of the outer case body in a predetermined direction; and an inner lid disposed on one side of one end portion of the energy storage device on the one side in the predetermined direction. The outer case body includes a pair of first side walls facing each other, and a pair of first fixing portions that are respectively provided on the pair of first side walls and attach the inner lid. The inner lid includes a pair of second fixing portions that are respectively connected with the pair of first fixing portions and are arranged at a predetermined distance from each other. The outer case body and the inner lid are fixed by connecting the pair of first fixing portions and the pair of second fixing portions with each other.
    Type: Application
    Filed: February 28, 2019
    Publication date: January 14, 2021
    Inventor: Ryutaro NISHIKAWA
  • Patent number: 10720621
    Abstract: A battery module has a cell unit including battery cells and a battery monitoring element attached to the cell unit. The battery cells are arranged in a first direction. The battery cell includes pressure release section for releasing a pressure in the battery cell. The cell unit has side surfaces including at least one internal pressure release section surface which is a surface where the internal pressure release section is disposed. The battery monitoring element is disposed on a non internal pressure release section surface which is different from the internal pressure release section surface.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: July 21, 2020
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa
  • Publication number: 20200144578
    Abstract: An energy storage apparatus includes an energy storage device including an electrode terminal which protrudes in a first direction, an outer housing containing the energy storage device, an outer electrode attached to an outside of the outer housing and protruding in the first direction, an electrical device disposed inside the outer housing, a first electrical conductor connecting the outer electrode and the electrical device, and a second electrical conductor connecting the electrical device and the electrode terminal. When viewed from the first direction, the electrical device is disposed between the electrode terminal and the outer electrode.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 7, 2020
    Inventors: Ryutaro NISHIKAWA, Masamitsu Tononishi, Osamu Ushijima, Shogo Tsuruta
  • Patent number: 10541402
    Abstract: An energy storage apparatus includes an energy storage device including an electrode terminal, an outer housing containing the energy storage device, an outer electrode attached to an outside of the outer housing, an electrical device disposed inside the outer housing, a first electrical conductor connecting the outer electrode and the electrical device, and a second electrical conductor connecting the electrical device and the electrode terminal. In a plane along a surface of the energy storage device, the electrical device is disposed between the electrode terminal and the outer electrode.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: January 21, 2020
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Ryutaro Nishikawa, Masamitsu Tononishi, Osamu Ushijima, Shogo Tsuruta
  • Patent number: 10529963
    Abstract: An energy storage apparatus including: an energy storage device; and an outer housing including a bottom surface, a side wall extending from the bottom surface in a first direction that intersects the bottom surface, and a support member that supports the side wall. An end of the side wall in the first direction is positioned in a first region that is further in the first direction than an end of a case of the energy storage device in the first direction. The support member is connected to the side wall in at least the first region and supports the side wall.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: January 7, 2020
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Ryutaro Nishikawa, Masamitsu Tononishi, Osamu Ushijima, Shogo Tsuruta
  • Patent number: 10468646
    Abstract: An energy storage apparatus includes an energy storage device and an outer case. The outer case includes a side wall portion disposed in an opposedly facing manner with a side surface of the energy storage device and a high rigidity member having higher rigidity than the side wall portion, the high rigidity member being disposed between the side wall portion and the energy storage device and mounted on the side wall portion.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: November 5, 2019
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventor: Ryutaro Nishikawa
  • Patent number: 10333128
    Abstract: An energy storage apparatus provided with an energy storage device is provided with an electrode terminal disposed on the energy storage device, and a bus bar placed on a surface of the electrode terminal and connected to the electrode terminal. The bus bar includes a plurality of opening portions formed such that the surface of the electrode terminal is exposed.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: June 25, 2019
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Shogo Tsuruta, Yuichiro Yamamoto, Ryutaro Nishikawa, Tsyoshi Hidaka
  • Publication number: 20180269438
    Abstract: An energy storage apparatus which includes an energy storage device, an outer case, and an adhesive material which is injected between at least one surface out of a first surface and a second surface which are two surfaces of the energy storage device disposed adjacently to each other and an inner surface of the outer case thus making the at least one surface and the inner surface of the outer case adhere to each other by surface adhesion.
    Type: Application
    Filed: August 9, 2016
    Publication date: September 20, 2018
    Inventors: Ryutaro NISHIKAWA, Yuta KAWAI, Masamitsu TONONISHI, Shogo TSURUTA
  • Patent number: 10062878
    Abstract: An electric storage apparatus includes an insulation frame and electric storage device. The insulation frame includes a main plate portion in contact with the electric storage device, a first flange portion provided at one end portion of the main plate portion in a predetermined direction parallel to the main plate portion, and second flange portion provided at the other end portion of the main plate portion in the predetermined direction. The first flange portion has a pressing portion including a projecting portion projecting to be pressed on the electric storage device. The second flange portion includes a support portion which is in contact with the electric storage device on an opposite side with respect to the projecting portion.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: August 28, 2018
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa
  • Publication number: 20180183031
    Abstract: An energy storage apparatus includes an energy storage device including an electrode terminal, an outer housing containing the energy storage device, an outer electrode attached to an outside of the outer housing, an electrical device disposed inside the outer housing, a first electrical conductor connecting the outer electrode and the electrical device, and a second electrical conductor connecting the electrical device and the electrode terminal. In a plane along a surface of the energy storage device, the electrical device is disposed between the electrode terminal and the outer electrode.
    Type: Application
    Filed: February 21, 2018
    Publication date: June 28, 2018
    Inventors: Ryutaro NISHIKAWA, Masamitsu Tononishi, Osamu Ushijima, Shogo Tsuruta
  • Patent number: 10003054
    Abstract: A power source pack includes: a housing; and a power source module which is housed in the housing. The power source module includes: a cell stack including a plurality of energy storage devices each having a safety valve; and a heat insulator positioned between an inner wall of the housing and the cell stack and having an approximately flat-plate shape. The heat insulator faces the safety valves of the cell stack in an opposed manner.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: June 19, 2018
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Masamitsu Tononishi, Ryutaro Nishikawa
  • Patent number: 9911961
    Abstract: An energy storage apparatus includes: an energy storage device including an electrode terminal; an outer housing containing the energy storage device; a first outer electrode attached to an outside of the outer housing; an electrical device disposed inside the outer housing; a first electrical conductor electrically connecting the first outer electrode and the electrical device; and a second electrical conductor electrically connecting the electrical device and the electrode terminal. The electrode terminal and the first outer electrode are disposed on opposite sides of the electrical device in a plane along a surface of the energy storage device.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: March 6, 2018
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Ryutaro Nishikawa, Masamitsu Tononishi, Osamu Ushijima, Shogo Tsuruta
  • Patent number: 9865851
    Abstract: A battery module has a cell unit including battery cells, a positive external terminal electrically connected to a positive side of the battery cells through a positive electro conductive member, and a negative external terminal electrically connected to a negative side of the battery cells. The positive electro conductive member extends a first surface which is one of surfaces of the cell unit. The negative electro conductive member extends of a second surface which is one of surfaces of the cell unit other than the first surface.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: January 9, 2018
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa
  • Publication number: 20170237057
    Abstract: An energy storage apparatus provided with an energy storage device is provided with an electrode terminal disposed on the energy storage device, and a bus bar placed on a surface of the electrode terminal and connected to the electrode terminal. The bus bar includes a plurality of opening portions formed such that the surface of the electrode terminal is exposed.
    Type: Application
    Filed: September 2, 2015
    Publication date: August 17, 2017
    Inventors: Shogo TSURUTA, Yuichiro YAMAMOTO, Ryutaro NISHIKAWA, Tsuyoshi HIDAKA
  • Publication number: 20170092911
    Abstract: An energy storage apparatus includes an energy storage device and an outer case. The outer case includes a side wall portion disposed in an opposedly facing manner with a side surface of the energy storage device and a high rigidity member having higher rigidity than the side wall portion, the high rigidity member being disposed between the side wall portion and the energy storage device and mounted on the side wall portion.
    Type: Application
    Filed: September 27, 2016
    Publication date: March 30, 2017
    Inventor: Ryutaro NISHIKAWA
  • Patent number: 9537133
    Abstract: An electric storage device includes: a power generating element; a housing container that houses the power generating element; a connecting body electrically connected to the power generating element; and an insulating member that fits the housing container at a plurality of fitting portions, secures the connecting body, and insulates a conductive path, which includes the power generating element and the connecting body, and the housing container from each other.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: January 3, 2017
    Assignee: GS YUASA INTERNATIONAL LTD
    Inventors: Masamitsu Tononishi, Shogo Tsuruta, Ryutaro Nishikawa
  • Patent number: 9337460
    Abstract: A battery module includes a cell unit, a first end plate, and a binding band. The cell unit includes a plurality of battery cells arranged in a first direction. The first end plate is located on one side of the cell unit in the first direction. The binding band extends in the first direction and is coupled with the first plate so as to bind the first end plate and the cell unit. The first end plate has an external terminal surface directed to an opposite side with respect to the cell unit in the first direction. An external terminal is connected to the external terminal surface. The binding band is located on a side surface of the cell unit and is coupled with the external terminal surface.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: May 10, 2016
    Assignee: GS Yuasa International Ltd.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa