Patents by Inventor Etsuko Nishimura

Etsuko Nishimura 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: 20200014062
    Abstract: Provided is a battery cell sheet and a secondary battery that can prevent a variation in an electrolyte composition due to volatilization and do not cause a decrease in battery performance even in a case where a component with high volatility is used.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 9, 2020
    Inventors: Yusuke KAGA, Motoyuki HIROOKA, Etsuko NISHIMURA, Eiji SEKI, Shimpei AMASAKI
  • Patent number: 10361465
    Abstract: A secondary battery is disclosed. The secondary battery has a bipolar electrode, an electrolyte layer, and a porous insulator. The bipolar layer includes a positive electrode layer formed on one surface of a collector foil and a negative electrode formed on the other surface of the collector foil. The electrolyte layer is famed at least on a surface of at least one of the positive electrode layer and the negative electrode layer. The porous insulator is formed to a lateral surface of at least one of the positive electrode layer, the negative electrode layer, and the electrolyte layer. The electrolyte layer is laminated by at least one layer relative to the bipolar electrode to configure a bipolar battery. The porous insulator also includes an inorganic particle and a reactive agent for lowering a fluidity of the liquid electrolyte bleeding from the electrolyte layer.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: July 23, 2019
    Assignee: HITACHI, LTD.
    Inventors: Shimpei Amasaki, Yusuke Kaga, Kazuaki Naoe, Makoto Abe, Etsuko Nishimura, Akihiko Noie
  • Patent number: 10192942
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section conies farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: January 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Publication number: 20190006678
    Abstract: Proposed are a secondary battery, a half cell and a production method of a secondary battery capable of exhibiting the designed battery capacity. In a secondary battery comprising an electrode containing an electrode active material and a binding agent, and an electrolyte, the electrolyte contains an electrolytic solution, the electrode further contains the electrolytic solution, and a binding agent amount on a surface of the electrode active material is smaller than an average of the binding agent amount of the electrode.
    Type: Application
    Filed: March 26, 2018
    Publication date: January 3, 2019
    Inventors: Kazuaki NAOE, Yusuke KAGA, Shimpei AMASAKI, Makoto ABE, Etsuko NISHIMURA, Akihiko NOIE
  • Publication number: 20180226461
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section conies farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Application
    Filed: April 4, 2018
    Publication date: August 9, 2018
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 9997771
    Abstract: To provide a negative electrode material having a high initial capacity and a long charge and discharge cycle life A negative electrode material according to the present invention contains a particle of a negative electrode active material that occludes and releases lithium ions and a carbon fiber, wherein the negative electrode active material occludes lithium by forming an alloy with the lithium, a surface of the negative electrode active material particle is coated with carbon, and the carbon fiber is bonded to the surface of the carbon via an adhesive resin.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: June 12, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Shuichi Suzuki, Etsuko Nishimura, Makoto Okai, Toshio Abe
  • Publication number: 20180159103
    Abstract: Provided is a secondary battery having better performance. The secondary battery includes: a negative electrode; a positive electrode; an insulating layer; and a structure having pores each configured to carry an electrolyte, in which: the negative electrode and the positive electrode are alternately laminated on each other through intermediation of the insulating layer; and the structure is arranged in a region which is sandwiched between two of the insulating layers and faces at least part of an edge of the positive electrode, and includes a material different from a material of the insulating layer.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 7, 2018
    Applicant: HITACHI, LTD.
    Inventors: Kazuaki NAOE, Yusuke KAGA, Shimpei AMASAKI, Makoto ABE, Etsuko NISHIMURA, Akihiko NOIE
  • Patent number: 9966421
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section conies farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: May 8, 2018
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co. Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Publication number: 20180123162
    Abstract: Provided is a secondary battery having high utilization efficiency per unit volume. The secondary battery includes: an electrode laminate in which a positive electrode layer and a negative electrode layer are laminated on each other through intermediation of an insulating layer; a pair of support plates configured to sandwich the electrode laminate therebetween; and a column body which is sandwiched between the pair of support plates at both ends thereof and adhered to the pair of support plates.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 3, 2018
    Inventors: Yusuke KAGA, Kazuaki NAOE, Shimpei AMASAKI, Masashi NISHIKI, Makoto ABE, Etsuko NISHIMURA, Akihiko NOIE
  • Publication number: 20180090794
    Abstract: A secondary battery is disclosed. The secondary battery has a bipolar electrode, an electrolyte layer, and a porous insulator. The bipolar layer includes a positive electrode layer formed on one surface of a collector foil and a negative electrode formed on the other surface of the collector foil. The electrolyte layer is famed at least on a surface of at least one of the positive electrode layer and the negative electrode layer. The porous insulator is formed to a lateral surface of at least one of the positive electrode layer, the negative electrode layer, and the electrolyte layer. The electrolyte layer is laminated by at least one layer relative to the bipolar electrode to configure a bipolar battery. The porous insulator also includes an inorganic particle and a reactive agent for lowering a fluidity of the liquid electrolyte bleeding from the electrolyte layer.
    Type: Application
    Filed: March 16, 2017
    Publication date: March 29, 2018
    Applicant: HITACHI, LTD.
    Inventors: Shimpei Amasaki, Yusuke Kaga, Kazuaki Naoe, Makoto Abe, Etsuko Nishimura, Akihiko Noie
  • Publication number: 20180026086
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section conies farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Application
    Filed: September 19, 2017
    Publication date: January 25, 2018
    Inventors: Masaya ADACHI, Kazutaka TSUJI, Hajime MURAKAMI, Etsuko NISHIMURA
  • Patent number: 9799714
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: October 24, 2017
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 9735428
    Abstract: Provided is a negative electrode material for a lithium ion secondary battery, which has excellent high-temperature storage characteristics and cycle characteristics. The negative electrode material for a lithium ion secondary battery has a high molecular weight polymer adsorbed on a carbon material, the O/C value of surface functional group quantity is 4.5% or more and 25% or less in the negative electrode material for a lithium ion secondary battery, and the S/C value of surface functional group quantity is 0.05% or more and 2.5% or less in the negative electrode material for a lithium ion secondary battery. Also provided are a negative electrode for a lithium ion secondary battery, lithium ion secondary battery, and methods for producing the negative electrode material, the negative electrode, and the battery.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: August 15, 2017
    Assignee: HITACHI, LTD.
    Inventors: Akihide Tanaka, Etsuko Nishimura, Kento Hoshi
  • Publication number: 20170141170
    Abstract: A display device includes plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Application
    Filed: January 30, 2017
    Publication date: May 18, 2017
    Inventors: Masaya ADACHI, Kazutaka TSUJI, Hajime MURAKAMI, Etsuko NISHIMURA
  • Patent number: 9595573
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: March 14, 2017
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Publication number: 20160308194
    Abstract: To provide a negative electrode material having a high initial capacity and a long charge and discharge cycle life A negative electrode material according to the present invention contains a particle of a negative electrode active material that occludes and releases lithium ions and a carbon fiber, wherein the negative electrode active material occludes lithium by forming an alloy with the lithium, a surface of the negative electrode active material particle is coated with carbon, and the carbon fiber is bonded to the surface of the carbon via an adhesive resin.
    Type: Application
    Filed: December 5, 2013
    Publication date: October 20, 2016
    Applicant: Hitachi, Ltd.
    Inventors: Shuichi SUZUKI, Etsuko NISHIMURA, Makoto OKAI, Toshio ABE
  • Publication number: 20160268608
    Abstract: A lithium secondary battery having a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode is constituted by a positive electrode mixture layer containing a positive electrode active material, a binder, and a conductive agent being formed on a positive electrode collector, the negative electrode is constituted by a negative electrode mixture layer containing a negative electrode active material, the binder, and the conductive agent being formed on a negative electrode collector, and the conductive agent contained in both of the positive electrode mixture layer and the negative electrode mixture layer is a fibrous conductive agent or a mixture of the fibrous conductive agent and a particulate conductive agent and an aspect ratio of the fibrous conductive agent is 20 or more.
    Type: Application
    Filed: December 29, 2015
    Publication date: September 15, 2016
    Applicant: HITACHI, LTD.
    Inventors: Etsuko NISHIMURA, Takefumi OKUMURA, Yoshiyuki TAKAMORI, Akihiko NOIE, Chieko ARAKI, Kazuaki NAOE, Shimpei AMASAKI
  • Publication number: 20160141345
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Application
    Filed: January 20, 2016
    Publication date: May 19, 2016
    Inventors: Masaya ADACHI, Kazutaka TSUJI, Hajime MURAKAMI, Etsuko NISHIMURA
  • Patent number: 9281523
    Abstract: A long-life battery whose properties do not deteriorate after charge-discharges cycles is provided. A non-aqueous electrolyte secondary battery includes a cathode, an anode, and a non-aqueous electrolytic solution containing an electrolyte. At least one of the cathode and the anode includes a binder. The binder includes a layer having electron conductivity on a surface thereof. The binder improves the contact property between particles of the active materials of the battery and the conductivity in the electrode without impairing the binding property of the binder. Preferably, the binder includes a metal on the surface thereof and the metal does not form an alloy with lithium to further improve the lifetime of the battery.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: March 8, 2016
    Assignee: HITACHI, LTD.
    Inventors: Etsuko Nishimura, Toshio Abe, Chieko Araki, Katsunori Nishimura, Takaaki Suzuki
  • Patent number: 9276052
    Abstract: A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: March 1, 2016
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura