Patents by Inventor Keisuke Shimizu

Keisuke Shimizu 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: 20190280260
    Abstract: A Battery module includes a plurality of cylindrical batteries and battery a holder holding the cylindrical batteries arranged in at least one row. The battery holder includes a first side wall part, a second side wall part, and a low thermal-conductive member disposed between the side wall parts. The low thermal-conductive member includes a first partition walls interposed between respective the cylindrical batteries and the first side wall part, and the second partition walls interposed between the respective cylindrical batteries and the second side wall part. The first and the second partition walls are alternately arrayed along the row.
    Type: Application
    Filed: August 2, 2017
    Publication date: September 12, 2019
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Keisuke SHIMIZU
  • Publication number: 20190273243
    Abstract: A cell module includes a plurality of battery cells each having a safety valve at a first end in a height direction, a first current collector plate including a main body having a through hole that at least partly overlaps the safety valve when viewed along the height direction and a lead extending into the through hole from the main body and being electrically connected to a first terminal of each of the battery cells, an exhaust duct disposed over a surface of the first current collector plate remote from the battery cells, and an insulating film being made of an insulating material and covering an area of the first current collector plate facing the exhaust duct. The safety valve opens when an internal pressure of any of the battery cells reaches or exceeds a predetermined level.
    Type: Application
    Filed: November 8, 2017
    Publication date: September 5, 2019
    Inventors: SHINYA MOTOKAWA, DAISUKE KISHII, KEISUKE SHIMIZU, AKIRA TAKANO
  • Publication number: 20190267686
    Abstract: A battery module includes a battery assembly and a thermally-conductive member to hold or support battery assembly. The battery assembly has a plurality of first batteries and a plurality of second batteries that are alternately stacked. The thermally-conductive member includes a first component and a second component that are each disposed along a stacking direction of the batteries. The first component has a heat resistance to the second batteries higher than to the first batteries. The second component has a heat resistance to the first batteries higher than to the second batteries.
    Type: Application
    Filed: July 6, 2017
    Publication date: August 29, 2019
    Inventors: KEISUKE SHIMIZU, AKIRA TAKANO, SHINYA MOTOKAWA, YOSHITO KAGA, TAKESHI ENOMOTO
  • Publication number: 20190260070
    Abstract: An all-solid-state battery that includes a positive electrode, a negative electrode, and an electrolyte layer. At least one of the positive electrode, the negative electrode, and the electrolyte layer includes a lithium ion conductor having an exothermic peak in a differential thermal analysis. The ionic conductivity on the side of the temperature higher than the rising temperature of the exothermic peak is lower than the ionic conductivity on the side of the temperature lower than the rising temperature of the exothermic peak.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Inventors: Kenji Kishimoto, Masayuki Arimochi, Masahiro Morooka, Keisuke Shimizu, Masamitsu Suzuki
  • Publication number: 20190252728
    Abstract: A solid battery including at least one first laminate body in which a first electrolyte layer, a first positive electrode layer, a first current collecting layer, and a second positive electrode layer are laminated in this order; at least one second laminate body in which a second electrolyte layer, a first negative electrode layer, a second current collecting layer, and a second negative electrode layer are laminated in this order; a first insulating layer connected to at least part of a side surface portion of the first laminate body; and a second insulating layer connected to at least part of a side surface portion of the second laminate body. Each of the first current collecting layer and the second current collecting layer has ionic conductivity of 10?7 S/cm or lower, and each of the first insulating layer and the second insulating layer has ionic conductivity of 10?7 S/cm or lower.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Inventors: Keisuke Shimizu, Masamitsu Suzuki, Norio Fukasawa
  • Publication number: 20190252727
    Abstract: A solid battery including a positive electrode layer; a negative electrode layer; a current collecting layer; a solid electrolyte layer; and an insulating layer. Each of the positive electrode layer, the negative electrode layer, the current collecting layer, the solid electrolyte layer, and the insulating layer contains a material having a glass transition point of 500° C. or less in an amount of 10 vol % to 60 vol %, and among contents of the material having a glass transition point of 500° C. or less in each of the positive electrode layer, the negative electrode layer, the current collecting layer, the solid electrolyte layer, and the insulating layer, a difference between a maximum content and a minimum content is 30 vol % or less.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 15, 2019
    Inventors: Keisuke Shimizu, Tomohiro Kato, Masamitsu Suzuki, Noriyuki Aoki, Masahiro Morooka
  • Publication number: 20190221814
    Abstract: A battery module includes a plurality of cells being each cylindrical and being held in a cell holder such that the cells are arranged with positive electrodes disposed at a first side and negative electrodes disposed at a second side. The battery module further includes a plurality of positive-electrode current collector plates disposed adjacent to the positive electrodes of the plurality of cells, a plurality of negative-electrode current collector plates disposed adjacent to the negative electrodes of the plurality of cells, and bus bars being disposed in containers in the cell holder and being parallel to the plurality of cells. The containers are capable of containing the cells. Both ends of each of the bus bars are connected to one of the plurality of positive-electrode current collector plates and one of the plurality of negative-electrode current collector plates, respectively.
    Type: Application
    Filed: September 12, 2017
    Publication date: July 18, 2019
    Inventor: KEISUKE SHIMIZU
  • Patent number: 10347886
    Abstract: A battery module includes a plurality of battery blocks. Each battery block includes: a cell assembly including a plurality of cells; a block holder for holding the cell assembly; and a metal plate. The plurality of cells are held in the block holder while the positive electrodes and negative electrodes of the cells are aligned. A projection or the metal plate is disposed outside the block holder. The tip of the projection of one of adjacent battery blocks is in contact with the metal plate of the other.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: July 9, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shinya Motokawa, Daisuke Kishii, Nobuyuki Nakasawa, Keisuke Shimizu, Akira Takano
  • Publication number: 20190189998
    Abstract: A secondary battery includes an electrode body that includes a positive electrode plate and a negative electrode plate an outer body that houses the electrode body; a sealing plate that is made of metal and seals an opening of the outer body; and a positive electrode terminal that is electrically connected to the positive electrode plate. At least part of the positive electrode terminal is disposed on the battery outer side with respect to the sealing plate. An external insulating member made of resin is disposed between the sealing plate and the positive electrode terminal. The conduction path between the positive electrode plate and the positive electrode terminal is provided with a current interrupting mechanism. An electrically insulating, heat resistant layer is disposed between the positive electrode terminal and the sealing plate.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 20, 2019
    Applicants: SANYO Electric Co., Ltd., Panasonic Corporation
    Inventors: Yohei Muroya, Ryoichi Wakimoto, Hiroyuki Inoue, Keisuke Shimizu
  • Patent number: 10323719
    Abstract: A planetary gear mechanism includes a plurality of planetary gears, an outer gear, a sun gear, a carrier, and a stick mount. The outer gear meshes with the plurality of planetary gears. The sun gear is coaxially disposed on the same axis as the outer gear and transmits force to the planetary gears. The carrier rotatably supports the plurality of planetary gears and is rotatably and floatingly supported. The carrier includes a hole through which a stick member penetrates in a direction of axis of rotation of the carrier. The stick member penetrates through the hole and is mounted on the stick mount. The stick mount is disposed opposite the carrier. The outer gear and the sun gear are held such that one of the outer gear and the sun gear does not rotate.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: June 18, 2019
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiromichi Matsuda, Katsuaki Miyawaki, Tetsuo Watanabe, Yasuhiro Maehata, Keisuke Shimizu
  • Patent number: 10263229
    Abstract: Cells are arranged in a predetermined arrangement and are held by holding unit. The holding unit includes a first holding unit, a second holding unit, and a third holding unit. The first holding unit holds cells so as to partially cover the one side of the outer peripheral surfaces of the cells in the longitudinal direction. The second holding unit holds the cells so as to partially cover the other side of the outer peripheral surfaces of the cells in the longitudinal direction. The third holding unit holds the cells so as to cover a region that is covered with neither the first holding unit nor the second holding unit, of the outer peripheral surfaces of the cells in the longitudinal direction.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: April 16, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinya Motokawa, Daisuke Kishii, Keisuke Shimizu, Akira Takano
  • Patent number: 10186486
    Abstract: A wiring board includes conductor layers, core layers including a first core layer and a second core layer formed such that each of the first and second core layers includes a core material, an intermediate insulating layer formed between the first core layer and second core layer such that the intermediate insulating layer does not contain a core material, and an electronic component positioned between the first core layer and second core layer such that the electronic component is embedded in the intermediate insulating layer. At least one of the first and second core layers has a multilayer structure including a resin layer and an adhesive layer laminated on the resin layer such that the resin layer includes the core material and that the adhesive layer does not contain a core material, and the conductor layers include a conductor layer laminated on the adhesive layer of the multilayer structure.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: January 22, 2019
    Assignee: IBIDEN CO., LTD.
    Inventors: Hajime Sakamoto, Keisuke Shimizu
  • Patent number: 10164228
    Abstract: The battery is sealed by a sealing member including a safety valve for exhausting the gas generated in the battery to the outside of the battery when the pressure in the battery is increased. A part of the sealing member is formed of a member having a melting point lower than that of high-temperature gas generated in the abnormal time and having a ratio of an area of an opening of the battery case to an area of a gas exhaust hole is 3.0×10?5 or more and 9.1×10?3 or less.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 25, 2018
    Assignee: SANYO ELECTRIC CO., LTD.
    Inventors: Keisuke Shimizu, Masato Fujikawa, Tomohiko Yokoyama, Kyosuke Miyata, Koki Inoue
  • Patent number: 10090238
    Abstract: A wiring substrate includes insulating layers including a first insulating layer and an outermost insulating layer such that the first insulating layer is positioned at one end of the insulating layers in a lamination direction and that the outermost insulating layer is positioned at the opposite end of the insulating layers in the lamination direction and includes a reinforcing material; conductive layers laminated on the insulating layers such that the conductive layers include an outermost conductive layer formed on the outermost insulating layer and including pads, and a semiconductor element accommodated in an accommodating portion of the first insulating layer. The insulating layers are formed such that the insulating layers do not contain a reinforcing material other than the outermost insulating layer.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: October 2, 2018
    Assignee: IBIDEN CO., LTD.
    Inventors: Hajime Sakamoto, Keisuke Shimizu
  • Publication number: 20180269448
    Abstract: A battery module includes: a plurality of battery cells and a case for housing the plurality of battery cells. The case has a plurality of through-holes which are provided to a wall part forming an outer face of the battery module and via which gas ejected from at least one of the plurality of battery cells is discharged in a dispersed manner.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Inventors: Keisuke SHIMIZU, Yoshihiro SHIOTSU, Hiroshi TAKASAKI
  • Publication number: 20180205048
    Abstract: A battery module includes: cells; and a battery holder made of a resin material that contains a filler in a resin matrix. In the resin material of the battery holder, the lower limit of the content of the filler is determined on the basis of the endothermic amount, and the upper limit of the content of the filler is determined on the basis of the viscosity. Another battery module includes: cells; and a battery holder having a plurality of tubular first accommodation portions each having a substantially hexagonal hole and a plurality of tubular second accommodation portions each having a substantially polygonal (heptagonal or more) hole. In the battery holder, the first accommodation portions and second accommodation portions are arranged in a manner of log pile by sandwiching a first column including the first accommodation portions between second columns including the second accommodation portions.
    Type: Application
    Filed: December 20, 2016
    Publication date: July 19, 2018
    Inventors: TAKESHI ENOMOTO, KEISUKE SHIMIZU
  • Patent number: 10022947
    Abstract: There is provided a laminated structure manufacturing method including bonding a graphene film of one layer or a plurality of layers formed on a first substrate to a second substrate with an adhesive resin layer, removing the first substrate, and forming a transparent layer on the graphene film.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: July 17, 2018
    Assignee: SONY CORPORATION
    Inventors: Nozomi Kimura, Keisuke Shimizu, Toshio Fukuda
  • Patent number: 10003055
    Abstract: A battery module includes: a plurality of battery cells and a case for housing the plurality of battery cells. The case has a plurality of through-holes which are provided to a wall part forming an outer face of the battery module and via which gas ejected from at least one of the plurality of battery cells is discharged in a dispersed manner.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: June 19, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Keisuke Shimizu, Yoshihiro Shiotsu, Hiroshi Takasaki
  • Patent number: 9985259
    Abstract: Battery pack includes the following elements: large number of battery cells; lower holding member provided to hold the lower parts of large number of battery cells aligned by battery holding parts, and having lower openings for exposing the negative electrode terminal side of the battery cells; a positive electrode current collecting plate and a negative electrode current collecting plate connected to the corresponding terminals of the battery cells; and holder formed of upper holding member and lower holding member. In holder, upper gas channel for guiding the gas jetted from battery cells to the front side is formed. Inside holder, lower gas channel is formed on the periphery of the large number of battery cells. In holder, exhaust port is formed. In upper holding member, a communication hole for allowing communication between upper gas channel and lower gas channel is formed.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: May 29, 2018
    Assignee: SANYO ELECTRIC CO., LTD.
    Inventors: Tomoaki Aoki, Satoshi Murakami, Keisuke Shimizu
  • Publication number: 20180053924
    Abstract: The battery is sealed by a sealing member including a safety valve for exhausting the gas generated in the battery to the outside of the battery when the pressure in the battery is increased. A part of the sealing member is formed of a member having a melting point lower than that of high-temperature gas generated in the abnormal time and having a ratio of an area of an opening of the battery case to an area of a gas exhaust hole is 3.0×10?5 or more and 9.1×10?3 or less.
    Type: Application
    Filed: October 27, 2017
    Publication date: February 22, 2018
    Inventors: Keisuke SHIMIZU, Masato FUJIKAWA, Tomohiko YOKOYAMA, Kyosuke MIYATA, Koki INOUE