Patents Assigned to Sanyo
  • Publication number: 20240213513
    Abstract: Provided is an electricity storage device having a high volumetric energy density and high reliability. The electricity storage device includes: an electrode assembly including first and second electrode plates and a separator interposed therebetween; an exterior housing that houses the electrode assembly; a lid that covers an opening of the exterior housing; and electrode terminals that are electrically connected to the electrode assembly and partially protrude from the lid to the outside. The lid has a liquid injection hole for injecting an electrolytic solution into the exterior housing. A tubular member extending from the lid toward the electrode assembly is provided between the outer surface of the lid and the electrode assembly so as to surround an opening of the liquid injection hole. A covering member connected to the tubular member and interposed between the liquid injection hole and the electrode assembly is provided.
    Type: Application
    Filed: March 7, 2024
    Publication date: June 27, 2024
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Hiroshi Takabayashi, Hiroyuki Yamada
  • Publication number: 20240213559
    Abstract: A failure of battery modules is reliably determined. A power supply device includes: battery modules (2) each of which included a failure determination unit (21) configured to determine a failure and a normality and to output the failure and the normality as a High signal and a low signal; a failure transmission line (3) connected to the failure determination unit (21) of each battery module (2); and a module failure determination circuit (1) connected to the failure transmission line (3) and configured to determine failure and normality of the battery modules (2).
    Type: Application
    Filed: March 24, 2021
    Publication date: June 27, 2024
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Jeewook CHANG, Takahiro KAMIKAWA
  • Patent number: 12021261
    Abstract: A stacked secondary battery having an electrode body in which at least one positive and at least one negative plate are stacked, with a multilayered separator interposed, said separator including two porous layers of different materials; and an outer packaging case housing an insulating holder and an electrolyte together, said insulating holder housing the electrode body and being formed of overlapping sheets comprises an insulating material. The outer packaging case has a bottom surface, a plurality of side walls that are provided standing upright from the bottom surface, and an opening that is opposite from the bottom surface. In at least one separator, a section that is exposed from end surfaces of active material mixture layers and metal foil-comprising core bodies of the positive plate and the negative plate is in contact with the vicinity of a bottom line of a valley section that is formed from the sheet.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: June 25, 2024
    Assignees: PANASONIC HOLDINGS CORPORATION, SANYO Electric Co., Ltd.
    Inventors: Hideo Kasahara, Ryosuke Iwata, Ryoichi Wakimoto
  • Patent number: 12021247
    Abstract: There is provided a prismatic power storage device having a reduced weight and ensuring a space for an electrode body that expands during charging, while the rigidity of an insulating sheet is ensured. A prismatic power storage device according to an aspect of the present disclosure includes: an electrode body (11) including a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate; an insulating holder (30) formed by shaping an insulating sheet (31) into a box shape and accommodating the electrode body (11); a prismatic outer case having an opening and accommodating the electrode body (11) and the insulating holder (30); and a sealing body sealing the opening of the outer case. The insulating sheet (31) includes a porous body.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: June 25, 2024
    Assignees: SANYO Electric Co., Ltd., PANASONIC HOLDINGS CORPORATION
    Inventors: Ryoichi Wakimoto, Kazutaka Mita
  • Publication number: 20240204338
    Abstract: A cylindrical battery according to one embodiment of the present disclosure has a bottomed cylindrical outer casing can, and a sealing body that closes the opening of the outer casing can. The sealing body has: a rupture plate in which an annular thin section is formed; and an annular insulation plate positioned on the inner-surface side of the rupture plate so as to face the thin section. The rupture plate includes a valve part surrounded by the thin section, the valve part including a latching part that extends toward the radially outer side of the rupture plate so as to cover at least the inner peripheral part of the inner surface of the insulation plate.
    Type: Application
    Filed: February 25, 2021
    Publication date: June 20, 2024
    Applicant: SANYO Electric Co., Ltd.
    Inventor: Keisuke Yamashita
  • Publication number: 20240204339
    Abstract: Please replace the Abstract currently of record with the attached new Abstract located at the end of this amendment.
    Type: Application
    Filed: January 19, 2021
    Publication date: June 20, 2024
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Yohei Muroya, Hiroshi Maesono
  • Publication number: 20240204259
    Abstract: The purpose of the present disclosure is to provide a non-aqueous electrolyte secondary battery in which polar plate deformation at the outermost periphery of an electrode body due to charge/discharge cycles can be inhibited. A non-aqueous electrolyte secondary battery comprises a wound electrode body in which a rectangular positive electrode and a rectangular negative electrode are wound with a separator interposed therebetween, and a metal exterior body that accommodates the electrode body. The negative electrode is exposed on the outermost peripheral surface of the electrode body, and a fixing tape that fixes the wind-terminating end of the negative electrode is affixed to the outermost peripheral surface of the electrode body. The fixing tape has a layered structure comprising two or more mutually independent layers.
    Type: Application
    Filed: March 12, 2021
    Publication date: June 20, 2024
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Takaki Nakao, Kei Kobayashi, Miho Komori
  • Publication number: 20240204198
    Abstract: This non-aqueous electrolyte secondary battery has: an electrode body formed by winding, in a flat shape, a positive electrode and a negative electrode with a separator interposed therebetween; and a non-aqueous electrolyte. The positive electrode has a positive electrode mixture layer containing a positive electrode active material. In the positive electrode mixture layer, 0.10-0.30 mass % of ceramic particles are added, the volume-based median size (D50) of the ceramic particles is 0.5 ?m or less, the air permeability of the separator is 165-310 sec/100 ml, and the air permeability of a flat portion of the separator with respect to the air permeability of a curved portion of the separator is 120-140%.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 20, 2024
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Akihiro Tabushi, Yuu Takanashi
  • Patent number: 12013443
    Abstract: In leakage detection device, coupling capacitor has a first end connected to a current path of power storage unit connected to load in a state of being insulated from a ground. Voltage output unit generates a periodic voltage that changes periodically, and applies the periodic voltage to a second end of coupling capacitor via impedance element. Voltage output unit measures a voltage at a node between coupling capacitor and impedance element. Leakage determination unit estimates at least one of an upper peak value and a lower peak value at a certain time, calculates a peak-to-peak value between the upper peak value and the lower peak value with virtually aligned time axes, and determines presence or absence of a leakage between a current path of power storage unit and the ground.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: June 18, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Masato Nakayama, Taisuke Hamada
  • Patent number: 12015140
    Abstract: The present invention aims to provide a method for producing a pinhole-free thin resin current collector for negative electrodes. The method for producing a sheet-shaped resin current collector for negative electrodes of the present invention includes stacking three or more layers of melts of conductive resin compositions each containing a polyolefin and a conductive filler to obtain a multilayered body, wherein the polyolefin contained in each of the conductive resin compositions that form the respective layers of the multilayered body has a melt mass flow rate of 15 to 70 g/10 min as measured at a temperature of 230° C. and a load of 2.16 kg in accordance with JIS K7210-1:2014.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: June 18, 2024
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., GUNZE LIMITED
    Inventors: Ryosuke Kusano, Yasuhiro Tsudo, Yasuji Maruyama, Kazuaki Onishi, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Publication number: 20240195027
    Abstract: The secondary battery includes an electrode body that includes a positive electrode plate and a negative electrode plate, an outer body that has an opening and houses the electrode body, a sealing plate that seals the opening of the outer body, a positive electrode tab that is provided in the positive electrode plate, a positive electrode external terminal that is electrically connected to the positive electrode plate and attached to the sealing plate, and a positive electrode current collector and a second positive electrode current collector that electrically connect the positive electrode tab and the positive electrode external terminal. The first positive electrode current collector has a current collector protrusion. The second positive electrode current collector has a current collector opening. The current collector protrusion is positioned in the current collector opening. The current collector protrusion and the edge of the current collector opening are weld connected to each other.
    Type: Application
    Filed: February 22, 2024
    Publication date: June 13, 2024
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Ryoichi Wakimoto, Atsushi Tsuji
  • Patent number: 12009496
    Abstract: The battery module includes a plurality of batteries stacked together, and separator disposed between an adjoining two of the plurality of batteries and configured to insulate between the adjoining two of batteries. Separator includes thermal conduction suppressor and position regulator. Thermal conduction suppressor has lower thermal conductivity than position regulator and suppresses thermal conduction between the adjoining two of batteries. Position regulator has higher rigidity than thermal conduction suppressor, has dimension in stacked direction of batteries equal to or greater than dimension of thermal conduction suppressor in stacked direction, and abuts the adjoining two of batteries to regulate a position of each of the adjoining two of batteries in stacked direction.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: June 11, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Go Yamashiro, Shingo Ochi
  • Patent number: 12009538
    Abstract: A battery system includes: a battery stack including a plurality of rectangular battery cells that are stacked; end plate placed at both ends of the battery stack; and a binding bar that connects the end plates to fix the battery stack in a compressed state. End plate includes plates placed on both surfaces and plate-shaped block laminated between plates; plates include outer plate and inner plate; plate-shaped block includes dual-side blocks placed on both sides so as to be separated from each other and intermediate block placed in tapered groove between dual-side blocks; the tapered groove has a taper shape that gradually increases in width from an outside to an inside of the end plate. The intermediate block is placed in facing surfaces of the tapered groove in a slidable manner; the dual-side blocks are fixed to the plates; and intermediate block pressed by battery stack is press-fitted into tapered groove and end plate applies tensile stress to outer plate and inner plate via dual-side blocks.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: June 11, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Koji Fujinaga, Kengo Ishibashi, Shinichi Mitsubori
  • Patent number: 12006943
    Abstract: A waterproof fan includes: a rotor including a rotating blade capable of rotating about a rotation axis; a stator including a plurality of stator cores extending in a radial direction relative to the rotation axis, and a winding wound around each of the stator cores; a frame including a housing space opening toward one side of the rotation axis; a circuit board electrically connected to the winding and housed in the housing space; a waterproofing resin portion covering the stator and the circuit board to block the opening of the housing space; and a positioning member provided in the housing space and configured to position the circuit board at a position away from an inner wall of the housing space.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: June 11, 2024
    Assignee: SANYO DENKI CO., LTD.
    Inventors: Munenori Takakuwa, Hyukjun Kwon
  • Patent number: 12000713
    Abstract: A tightening machine of the present invention includes: a mobile receiving portion 20 that receives a positioning signal (GNSS signal) from positioning means (GNSS satellite Sa); a geomagnetic sensor 30 that detects a direction of a socket portion 41 with the mobile receiving portion 20 as a starting point; and a control portion that receives the positioning signal received by the mobile receiving portion 20 and a positioning signal received by a fixed receiving portion 22 at a fixed position away from a torque wrench 110 serving as the tightening machine, corrects a three-dimensional position of the mobile receiving portion 20 based on the positioning signals, and calculates a three-dimensional socket position of the socket portion 41 of the torque wrench 110 serving as the tightening machine based on a result of the correction and the direction of the socket portion 41 detected by the geomagnetic sensor 30.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: June 4, 2024
    Assignee: SANYO MACHINE WORKS, LTD.
    Inventor: Yusuke Horiba
  • Patent number: 11993741
    Abstract: A liquid crystal device in one aspect of the present disclosure includes a liquid crystal layer, and an electrode layer configured to form an electric field in the liquid crystal layer. The liquid crystal layer includes a liquid crystal composition in which an organic compound having a property of inhibiting a polymerization reaction caused by light action is added to a liquid crystal mixture as a polymerization inhibitor.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: May 28, 2024
    Assignees: santec Holdings Corporation, SANYO-ONODA CITY PUBLIC UNIVERSITY CORPORATION
    Inventors: Yasuki Sakurai, Koki Takatou
  • Patent number: 11988225
    Abstract: Provided is an axial fan including multiple forward-swept blades. An angle of advance of a trailing edge of the forward-swept blade is larger than an angle of advance of a leading edge of the forward-swept blade. An outer portion of the trailing edge, being positioned further in an outer periphery of the trailing edge than an intermediate portion of the trailing edge with respect to a rotary shaft of the axial fan, advances as the trailing edge advances radially outward of a ventilation channel of the axial fan.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: May 21, 2024
    Assignee: SANYO DENKI CO., LTD.
    Inventor: Yoshihisa Yamazaki
  • Patent number: 11987870
    Abstract: Provided is a Cu-based alloy powder that is suitable for a process involving rapid melting and rapid solidification and that can provide a shaped object superior in characteristics. The powder is composed of a Cu-based alloy, which contains an element M being one or more elements selected from Cr, Fe, Ni, Zr, and Nb: 0.1% by mass or more and 10.0% by mass or less, Si: more than 0% by mass and 0.20% by mass or less, P: more than 0% by mass and 0.10% by mass or less, and S: more than 0% by mass and 0.10% by mass or less, the balance being Cu and inevitable impurities. This powder has a ratio (D50/TD) of the average particle diameter D50 (?m) thereof to the tap density TD (Mg/m3) is 0.2×10?5·m4/Mg or more and 20×10?5·m4/Mg or less, and has a sphericity of 0.80 or more and 0.95 or less.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: May 21, 2024
    Assignee: Sanyo Special Steel Co., Ltd.
    Inventors: Tetsuji Kuse, Yoshikazu Aikawa, Yuichi Nagatomi
  • Patent number: 11990636
    Abstract: A power supply device includes battery stack having a plurality of battery cells and extended in one direction, and insulating cover part covering one surface of battery assembly extended in one direction. Cover part includes, in the extending direction, a plurality of fixtures for fixing to the upper surface side of battery assembly, and cover part includes metal core material.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: May 21, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Hiroyuki Takahashi
  • Patent number: 11978924
    Abstract: A power supply device including a plurality of battery cells electrically connected with each other by bus bar. The power supply device has a structure where bus bar includes: rod having conductivity and extending in an arrangement direction of the battery cells; and arm being elastically deformable and being connected to rod, arm is configured such that distal end of arm is welded to an electrode terminal of the battery cell, and rear end of arm is connected to rod so as to electrically connect the plurality of battery cells to each other via the rod, arm is formed of a conductive plate that is elastically deformable, deformation gap extending from rear end toward a distal end is formed between arm and rod, and arm is elastically deformable so as to displace distal end to be welded to the electrode terminal.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: May 7, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Hiroaki Kita, Takashi Inamura, Yasumasa Kojima