Patents by Inventor Kenji Hosaka

Kenji Hosaka 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: 20080292963
    Abstract: A current collector for a nonaqueous solvent secondary battery, which includes: a first metal layer; and a second metal layer stacked on a surface of the first metal layer, is composed so that a Young's modulus (E1), Vickers hardness (Hv1) and thickness (T1) of the first metal layer and a Young's modulus (E2), Vickers hardness (Hv2) and thickness (T2) of the second metal layer can satisfy the following Expression: (E1>E2 or Hv1>Hv2); and T1<T2
    Type: Application
    Filed: May 23, 2008
    Publication date: November 27, 2008
    Inventors: Hajime SATO, Kenji Hosaka, Hideaki Horie
  • Publication number: 20080220330
    Abstract: The disclosure relates to bipolar cells including electrodes surrounding a collector. Embodiments of the bipolar cells include a collector containing a highpolymer material. The disclosure also relates to bipolar electrode batteries containing bipolar cells including a collector body containing electrically conductive highpolymer or electrically conductive particles distributed in a high-polymer. By adding such high molecular weight polymer material to the collector, the weight of the collector may be reduced and the output power density per weight of the battery may be improved. The disclosure further relates to methods of forming collecting bodies and electrodes for bipolar cells using an inkjet printing method. Bipolar cells according to the present invention may be used to fabricate batteries such as lithium ion batteries, which may be connected to form battery modules used, for example, to provide electrical power for a motor vehicle.
    Type: Application
    Filed: December 7, 2005
    Publication date: September 11, 2008
    Applicant: Nissan Motor Co., Ltd
    Inventors: Kenji Hosaka, Osamu Shimamura, Hideaki Horie, Takamitsu Saito, Takuya Kinoshita, Takaaki Abe, Naoto Kiriu
  • Publication number: 20080179082
    Abstract: A wiring board to be inserted between collector foils of each unit cell in a stacked battery includes a comb-shaped insulating substrate and a wiring layer. The insulating substrate has a plurality of teeth and a rod, and the wiring layer is formed on the insulating substrate and includes a plurality of lead wires individually extending from a distal end of each of the plurality of teeth to an end of the rod to deliver a current of a potential across a conductive member being in contact with the distal ends of the teeth to the end of the rod.
    Type: Application
    Filed: November 21, 2007
    Publication date: July 31, 2008
    Inventors: Takuya Kinoshita, Kenji Hosaka, Hajime Satou, Osamu Shimamura
  • Publication number: 20080138706
    Abstract: Disclosed are a bipolar battery, a bipolar battery component and a method of manufacturing the same. The bipolar battery minimizes the occurrence of gas bubbles to provide superior battery performance. A battery element has a plurality of bipolar electrodes stacked upon one another while interposing separators therebetween. The bipolar electrode includes a collector formed with a cathode on one surface and an anode on the other surface. The component is a charging part with charging material disposed between collectors and separators to surround at least a periphery of the cathode and a periphery of the anode. An exhaust part is mounted to the charging part to exhaust a residual gas bubble from an inner space to outside of the inner space when stacking the bipolar electrodes.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 12, 2008
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Gen Takayama, Hajime Sato, Kenji Hosaka, Kenji Hamada, Teruo Segawa
  • Publication number: 20080131759
    Abstract: A bipolar battery and a battery assembly unit that reduces a current density change in a battery element is disclosed. The bipolar battery comprises a battery element configured by alternately stacking a bipolar electrode and an electrolyte layer, as well as cathode and anode terminal plates electrically connected to the battery element so as to extract the current from the battery element. In the bipolar battery, the total electrical resistance of the cathode and anode terminal plates along the surface direction is smaller than the total electrical resistance of the battery element along the stacking direction between the cathode and anode terminal plates.
    Type: Application
    Filed: November 28, 2007
    Publication date: June 5, 2008
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Kenji Hosaka, Hideaki Horie, Hajime Satou, Yoshio Shimoida, Teruo Segawa, Gen Takayama, Ohtani Yoshihiko
  • Publication number: 20080131775
    Abstract: Bipolar batteries configured to minimize the introduction of gas bubbles and methods of manufacturing such batteries are taught herein. One bipolar battery includes an electrolyte layer, which includes a plurality of separators having permeability such that the electrolytes can penetrate therein, in a bipolar electrode wherein a cathode is formed at one side of a collector and an anode is formed at another side of the collector. A stack is formed by stacking the electrolyte layers upon one another. The electrolyte layer of the stack has a layer of overlayed separators.
    Type: Application
    Filed: November 7, 2007
    Publication date: June 5, 2008
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Gen Takayama, Hajime Sato, Kenji Hosaka
  • Publication number: 20080118826
    Abstract: A lithium ion battery with cell elements includes a cathode, an anode, and an electrolyte layer between the cathode and the anode. The electrolyte layer includes an arrangement of insulating particles with a plurality of interstitial spaces therebetween, with electrolytes occupying at least some of the interstitial spaces.
    Type: Application
    Filed: December 14, 2005
    Publication date: May 22, 2008
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Osamu Shimamura, Taketo Kaneko, Takamitsu Saito, Kenji Hosaka, Hideaki Horie
  • Patent number: 7320846
    Abstract: A bipolar battery includes a bipolar electrode and an electrolyte layer. The bipolar electrode includes a current collector, a positive electrode layer formed on one surface of the current collector, and a negative electrode layer formed on the other surface of the current collector. The bipolar electrode is sequentially laminated to provide connection in series via the electrolyte layer to form a stack structure. The positive electrode layer, the negative electrode layer and the electrolyte layer are potted with a resin portion.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: January 22, 2008
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kyoichi Watanabe, Kenji Hosaka, Kouichi Nemoto
  • Publication number: 20070269714
    Abstract: A battery structure for improving a heat dissipating property and a vibration absorbing performance. The battery structure comprises a plurality of unit cell layers, each formed by alternately stacking a cathode active material layer formed on a surface of one collector, a separator for retaining an electrolyte and an anode active material layer formed on a surface of another collector. The battery structure also comprises a heat dissipating member disposed between at least one unit cell layer and another unit cell layer.
    Type: Application
    Filed: May 17, 2007
    Publication date: November 22, 2007
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Kyoichi Watanabe, Hajime Sato, Kenji Hosaka, Hideaki Horie
  • Patent number: 7279248
    Abstract: A bipolar battery comprises: a plurality of bipolar electrodes; electrolyte layers formed between adjacent ones of the plurality of bipolar electrodes, respectively; sealing portions surrounding and sealing the electrolyte layers, respectively; and contributing members contributing to keeping gaps between the adjacent ones of the plurality of bipolar electrodes, respectively. The contributing members are disposed within areas of the sealing portions, respectively.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: October 9, 2007
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tatsuhiro Fukuzawa, Kouichi Nemoto, Kenji Hosaka
  • Publication number: 20070210760
    Abstract: A battery is basically provided with an electricity generating element and a discharging section. The electricity generating element has a plurality of electric cells connected in series. The discharging section constantly discharges electricity from each of the electric cells at a prescribed discharge rate so that a voltage in each of the electric cells is lower than a voltage corresponding to a prescribed depth of discharge. The battery is especially useful in a power supply component of a vehicle.
    Type: Application
    Filed: March 8, 2007
    Publication date: September 13, 2007
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Oasamu SHIMAMURA, Kenji Hosaka, Takuya Kinoshita, Takaaki Abe, Hideaki Horie
  • Publication number: 20070015047
    Abstract: The disclosure is directed to a bipolar battery that is constructed to improve battery performance by reducing distortions within electrode material of the bipolar battery. The bipolar battery includes multiple battery elements that each include multiple unit batteries. Each unit battery contains a conductor having a positive electrode layer and a negative electrode layer. A collector is positioned between adjacent positive and negative electrode layers of adjacent unit batteries, and an accumulated thickness absorption member is used to separate collectors of adjacent battery elements. The bipolar battery may be used in a motor vehicle, such as an electric car.
    Type: Application
    Filed: July 10, 2006
    Publication date: January 18, 2007
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Kenji Hosaka, Ryouichi Senbokuya, Osamu Shimamura, Naoto Kiriu, Hideaki Horie
  • Patent number: 7163765
    Abstract: A bipolar battery comprises a bipolar electrode in which a positive electrode is provided on one surface of a collector and a negative electrode is provided on the other surface of the collector, a gel electrolyte sandwiched between the positive electrode and the negative electrode, and a sealing layer which is provided between the collectors and surrounds a periphery of a single cell including the positive electrode, the negative electrode, and the gel electrolyte.
    Type: Grant
    Filed: October 9, 2003
    Date of Patent: January 16, 2007
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kenji Hosaka, Tatsuhiro Fukuzawa, Kouichi Nemoto
  • Publication number: 20060127763
    Abstract: The present invention provides a cell structure that can improve heat dissipation and vibration-proofing nature of a cell without using a cooling medium while keeping rigidity and discharge current quantity of the cell and is characterized by satisfying the following inequality (1): S c × 1000 > b × 1000 S wherein b indicates short-side length of an electrode; S indicates electrode area; and c indicates cell structure thickness.
    Type: Application
    Filed: November 22, 2005
    Publication date: June 15, 2006
    Inventors: Kyouichi Watanabe, Takaaki Abe, Osamu Shimamura, Takamitsu Saito, Hajime Sato, Kenji Hosaka, Hideaki Horie
  • Publication number: 20040253512
    Abstract: A bipolar battery includes a bipolar electrode and an electrolyte layer. The bipolar electrode includes a current collector, a positive electrode layer formed on one surface of the current collector, and a negative electrode layer formed on the other surface of the current collector. The bipolar electrode is sequentially laminated to provide connection in series via the electrolyte layer to form a stack structure. The positive electrode layer, the negative electrode layer and the electrolyte layer are potted with a resin portion.
    Type: Application
    Filed: April 28, 2004
    Publication date: December 16, 2004
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Kyoichi Watanabe, Kenji Hosaka, Kouichi Nemoto
  • Publication number: 20040161667
    Abstract: A bipolar battery comprises: a plurality of bipolar electrodes; electrolyte layers formed between adjacent ones of the plurality of bipolar electrodes, respectively; sealing portions surrounding and sealing the electrolyte layers, respectively; and contributing members contributing to keeping gaps between the adjacent ones of the plurality of bipolar electrodes, respectively. The contributing members are disposed within areas of the sealing portions, respectively.
    Type: Application
    Filed: January 20, 2004
    Publication date: August 19, 2004
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Tatsuhiro Fukuzawa, Kouichi Nemoto, Kenji Hosaka
  • Publication number: 20040091771
    Abstract: A bipolar battery comprises a bipolar electrode in which a positive electrode is provided on one surface of a collector and a negative electrode is provided on the other surface of the collector, a gel electrolyte sandwiched between the positive electrode and the negative electrode, and a sealing layer which is provided between the collectors and surrounds a periphery of a single cell including the positive electrode, the negative electrode, and the gel electrolyte.
    Type: Application
    Filed: October 9, 2003
    Publication date: May 13, 2004
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Kenji Hosaka, Tatsuhiro Fukuzawa, Kouichi Nemoto
  • Patent number: 4637134
    Abstract: An apparatus for inserting a plurality of kinds of electronic parts into a predetermined position of a printed board. An electronic part which is successively supplied from an electronic part supplying means is fed to a predetermined supply positioning end by a feeding means. An insertion unit carries the electronic part from this position to a predetermined specific position, thereby inserting the electronic part into the printed board. The printed board is held and positioned by an X-Y table. At a position corresponding to said specific position, the apparatus has a clinching means for clinching the leads of the electronic part which is inserted into the printed board and a control means which controls a predetermined operation of each means.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: January 20, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Tomoya Tomita, Sotozi Hiramoto, Takesi Okubo, Kuniyuki Matsuo, Hiromoto Ashihara, Mitsuo Nakamura, Tsutomu Takahashi, Motoaki Fujino, Kenji Hosaka