Patents by Inventor Masamitsu Tononishi

Masamitsu Tononishi 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).

  • Publication number: 20170084886
    Abstract: An energy storage apparatus includes: an energy storage device; an outer covering; an end plate which is disposed on a side of the energy storage device and is fixed to the outer covering; and a binding member which is mounted on the end plate and applies a binding force to the energy storage device. The end plate includes a first region on which the binding member is mounted, a second region which is fixed to the outer covering, and a third region which differs from the first region and the second region and has higher rigidity than the first region and the second region.
    Type: Application
    Filed: September 9, 2016
    Publication date: March 23, 2017
    Inventor: Masamitsu TONONISHI
  • Patent number: 9590264
    Abstract: Provided is an electric storage device capable of suitably preventing damage to end portions of an electrode assembly due to vibration. A current collector and a backing member are cooperated and connected to each end portion of the electrode assembly in which a positive electrode plate and a negative electrode plate are stacked in layers. The backing member is composed of a base and a skirt.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: March 7, 2017
    Assignees: GS YUASA INTERNATIONAL LTD., HONDA MOTOR CO., LTD.
    Inventors: Masamitsu Tononishi, Satoshi Murakami, Tomonori Kishimoto
  • 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: 9515300
    Abstract: There is provided an electric storage device including a power generating element, a housing container for housing the power generating element and including an upper face, a bottom face, and four side faces and a covering member formed by winding an insulating sheet around the housing container. The housing container includes round portions or chamfered portions formed between the adjacent side faces and round or chamfered boundary portions formed between the bottom face and the side faces. The covering member covers parts of the boundary portions, the side faces, and the round portions or the chamfered portions.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: December 6, 2016
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventor: Masamitsu Tononishi
  • Patent number: 9514895
    Abstract: Provided are an electric storage device in which a current collector is not easily broken even when vibration is applied, and a vehicle having this electric storage device. This electric storage device includes a case having a first inner surface and a second inner surface adjacent to the first inner surface, an electrode assembly housed in the case and including a positive electrode plate and a negative electrode plate insulated from each other, an electrode terminal disposed outside the case, and a current collector housed in the case and electrically connecting the electrode assembly and the electrode terminal to each other. A distal end edge of a distal end portion of the current collector is supported on the first inner surface of the case.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: December 6, 2016
    Assignees: GS YUASA INTERNATIONAL LTD., HONDA MOTOR CO., LTD.
    Inventors: Nobuyuki Naganawa, Masamitsu Tononishi, Shinsuke Yoshitake, Yasunori Okuno, Masakazu Tsutsumi, Hajime Kawamoto, Tomonori Kishimoto, Jun Nakamura, Toshiyuki Nukuda
  • 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
  • Publication number: 20160093855
    Abstract: An energy storage apparatus includes: a housing which has a container body and a lid portion provided with external connection terminals; an energy storage module which is arranged in the housing, the energy storage module having a cell stack; a bolt which restricts movement of the energy storage module with respect to a bottom wall of the container body; and a support member which restricts movement of the energy storage module with respect to the lid portion.
    Type: Application
    Filed: September 29, 2015
    Publication date: March 31, 2016
    Inventor: Masamitsu Tononishi
  • Publication number: 20160036029
    Abstract: A power source pack includes: a housing formed of a container body and a lid portion; a cell stack housed in the housing, the cell stack including a battery; a first electrical component subunit electrically connected to the cell stack, the first electrical component subunit including a first electrical component such as a relay; and a second electrical component subunit electrically connected to the first electrical component subunit, the second electrical component subunit including a second electrical component such as a BMU. The cell stack, the first electrical component subunit and the second electrical component subunit are stacked in a first direction.
    Type: Application
    Filed: July 22, 2015
    Publication date: February 4, 2016
    Inventor: Masamitsu TONONISHI
  • Publication number: 20160036028
    Abstract: An energy storage apparatus provided with a plurality of energy storage devices arranged in a row in a first direction. The energy storage apparatus includes: a bus bar connected to electrode terminals of at least two energy storage devices out of the plurality of energy storage devices; and a bus bar frame including a pressing portion that is brought into contact with the bus bar from a side opposite to the plurality of energy storage devices. The bus bar frame includes a first restriction portion with which a first member other than the bus bar frame is engaged such that a movement of the restriction portion toward the side opposite to the plurality of energy storage devices is restricted.
    Type: Application
    Filed: July 22, 2015
    Publication date: February 4, 2016
    Inventors: Shogo TSURUTA, Yuichiro YAMAMOTO, Masamitsu TONONISHI
  • Publication number: 20160036022
    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: Application
    Filed: July 22, 2015
    Publication date: February 4, 2016
    Inventors: Masamitsu TONONISHI, Ryutaro NISHIKAWA
  • Publication number: 20160036088
    Abstract: Provided is a power source module which includes: a plurality of energy storage devices stacked in a stacking direction; end plates sandwiching the plurality of energy storage devices therebetween; and a plurality of fastening bars connecting the end plates to each other; wherein the energy storage device includes: a terminal surface on which an electrode terminal is mounted; a bottom surface; and first and second side surfaces. Each of the fastening bars includes an extending portion extending parallel to the stacking direction and fastening portions extending parallel to the end plates. As viewed in the stacking direction, a total area of the fastening portions positioned in a region close to the terminal surface with respect to a center line between the terminal surface and the bottom surface is set larger than a total area of the fastening portions positioned in a region close to the bottom surface with respect to the center line.
    Type: Application
    Filed: July 21, 2015
    Publication date: February 4, 2016
    Inventor: Masamitsu TONONISHI
  • Patent number: 9172078
    Abstract: An energy storage element includes: a container; an electrode assembly housed in the container; an electrode terminal; a current collector which electrically connects the electrode terminal and the electrode assembly; and an external insulation sealing member for insulating the container and the electrode terminal. The container includes a protrusion part having a through-hole for allowing penetration of the electrode terminal and protruding from the upper surface of the container. The electrode terminal is electrically connected to the current collector in a state where the electrode terminal penetrates through the protrusion part. The external insulation sealing member has a side part disposed along the side surface of the protrusion part, and the end surface of the end part of the side part at the side of the upper surface is apart from the upper surface.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: October 27, 2015
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Hideki Masuda, Masamitsu Tononishi
  • Publication number: 20150118569
    Abstract: An electric storage device according to the present invention includes: an electrode assembly including positive and negative electrode plates that are insulated from each other, at least one of the electrode plates having an active material layer formed part and an active material layer non-formed part; positive and negative current collectors; and a metal material abutted against the active material layer non-formed part, wherein the metal material includes a curled part in which an edge of the metal material is curved in a direction away from the active material layer non-formed part, and the active material layer non-formed part, each of the current collectors, and the metal material are integrally coupled.
    Type: Application
    Filed: March 13, 2013
    Publication date: April 30, 2015
    Inventors: Satoshi Murakami, Masamitsu Tononishi
  • Publication number: 20150024264
    Abstract: Provided is an electric storage device capable of suitably preventing damage to end portions of an electrode assembly due to vibration. A current collector and a backing member are cooperated and connected to each end portion of the electrode assembly in which a positive electrode plate and a negative electrode plate are stacked in layers. The backing member is composed of a base and a skirt.
    Type: Application
    Filed: January 18, 2013
    Publication date: January 22, 2015
    Applicants: GS Yuasa International Ltd., Honda Motor Co., Ltd.
    Inventors: Masamitsu Tononishi, Satoshi Murakami, Tomonori Kishimoto
  • Publication number: 20140302356
    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: Application
    Filed: April 3, 2014
    Publication date: October 9, 2014
    Applicant: GS Yuasa International Ltd.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa
  • Publication number: 20140302357
    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: Application
    Filed: April 3, 2014
    Publication date: October 9, 2014
    Applicant: GS Yuasa International Ltd.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa
  • Publication number: 20140302364
    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: Application
    Filed: April 3, 2014
    Publication date: October 9, 2014
    Applicant: GS Yuasa International Ltd.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa
  • Publication number: 20140302378
    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: Application
    Filed: April 3, 2014
    Publication date: October 9, 2014
    Applicant: GS Yuasa International Ltd.
    Inventors: Shogo Tsuruta, Masamitsu Tononishi, Ryutaro Nishikawa
  • Publication number: 20140295250
    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: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: GS Yuasa International Ltd.
    Inventors: Ryutaro NISHIKAWA, Masamitsu TONONISHI, Osamu USHIJIMA, Shogo TSURUTA
  • Publication number: 20140295215
    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: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: GS Yuasa International Ltd.
    Inventors: Ryutaro NISHIKAWA, Masamitsu Tononishi, Osamu Ushijima, Shogo Tsuruta