Patents by Inventor Eisuke Haba

Eisuke Haba 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).

  • Patent number: 11031600
    Abstract: A lithium ion secondary battery includes: a cathode; an anode: a separator; and an electrolytic solution containing lithium hexafluorophosphate (LiPF6) as a lithium salt, wherein the cathode includes a current collector and a cathode mixture formed on the current collector, and wherein the cathode mixture contains an aluminum oxide, a part or an entirety of a surface of the aluminum oxide being coated with carbon.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: June 8, 2021
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Kaoru Konno, Eisuke Haba, Hiroo Nishiyama, Kouichi Takei, Hiroki Mikuni
  • Publication number: 20210167393
    Abstract: Provided is a lithium ion secondary battery including: a positive electrode; a negative electrode; a separator; and an electrolyte, wherein: the positive electrode includes a current collector and a positive electrode active material layer formed on the current collector, the positive electrode active material layer contains a positive electrode active material, polyolefin particles, conductive particles and a binder, and the separator has a thermal shrinkage rate of 30% or less at 160° C.
    Type: Application
    Filed: January 17, 2017
    Publication date: June 3, 2021
    Inventors: Hiroki KUZUOKA, Eisuke HABA, Shunsuke NAGAI, Takuya NISHIMURA, Kenji TAKAOKA
  • Patent number: 10944126
    Abstract: A positive electrode for a lithium ion secondary battery, including a positive electrode current collector, a conductive layer which is disposed directly or indirectly on the positive electrode current collector, and which includes a conductive particle, a polymer particle, and a fluororesin or a resin including a structural unit derived from a nitrile group-containing monomer, and a positive electrode active material layer disposed directly or indirectly on the conductive layer, as well as a lithium ion secondary battery using the same.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: March 9, 2021
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Eisuke Haba, Masashi Aotani, Hiroki Kuzuoka
  • Patent number: 10763509
    Abstract: Provided are a positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material; an electrode for a lithium ion secondary battery, the electrode including an electrode active material layer, the electrode active material layer including polyolefin particles and a resin including a structural unit derived from a nitrile group-containing monomer; and a lithium ion secondary battery using the same.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 1, 2020
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Hiroki Kuzuoka, Eisuke Haba, Shunsuke Nagai, Kenji Takaoka
  • Patent number: 10633249
    Abstract: A method for simultaneously producing carbon nanotubes and hydrogen according to the present invention is a method for simultaneously producing carbon nanotubes and hydrogen, in which using a carbon source containing carbon atoms and hydrogen atoms and being decomposed in a heated state, and a catalyst for producing carbon nanotubes and H2 from the carbon source, the above carbon nanotubes are synthesized on a support in a heated state, placed in a reactor, and simultaneously, the above H2 is synthesized from the above carbon source, the method comprising a synthesis step of flowing a source gas comprising the above carbon source over the above support, on which the above catalyst is supported, to synthesize the above carbon nanotubes on the above support and simultaneously synthesize the above H2 in a gas flow.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: April 28, 2020
    Assignees: The University of Tokyo, Hitachi Chemical Company, Ltd.
    Inventors: Suguru Noda, Dong Young Kim, Toshio Osawa, Hisashi Sugime, Kei Hasegawa, Eisuke Haba
  • Patent number: 10526707
    Abstract: A heat exchanger type reaction tube includes a first tube part that forms a first flow channel into which a feed gas flows and in which the feed gas moves down; a second tube part that forms a second flow channel which is connected to the first flow channel and in which the feed gas moves up and that has a granular catalyst carrying support medium charged therein; and a heating device that heats the first tube part and the second tube part. Then, the first flow channel and the second flow channel are adjacent to each other while being separated from each other by a partition wall, and the second flow channel is provided with a distributor which holds the catalyst carrying support medium and through which the feed gas passes.
    Type: Grant
    Filed: July 28, 2013
    Date of Patent: January 7, 2020
    Assignees: THE UNIVERSITY OF TOKYO, HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Suguru Noda, Dong Young Kim, Yusuke Kon, Zhongming Chen, Eisuke Haba, Shunsuke Ueda
  • Patent number: 10513604
    Abstract: The present disclosure provides a binder resin composition comprising a polyolefin particle, an organic solvent and a polymer that is soluble in the organic solvent, as well as an electrode for a lithium ion secondary battery and a lithium ion secondary battery each using the binder resin composition.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: December 24, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shunsuke Nagai, Hiroki Kuzuoka, Eisuke Haba, Kenji Takaoka, Nobuyuki Ogawa
  • Patent number: 10357765
    Abstract: The present invention relates to metal catalyst particles for carbon nanotube synthesis, comprising carbon-containing regions on their surfaces.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: July 23, 2019
    Assignees: THE UNIVERSITY OF TOKYO, HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Suguru Noda, Zhongming Chen, Dong Young Kim, Shunsuke Ueda, Eisuke Haba
  • Publication number: 20190097234
    Abstract: A composition for forming an energy device electrode contains a positive electrode active material containing a lithium-containing metal composite oxide containing lithium and nickel in which a content ratio of nickel with respect to metals other than lithium is 50% by mole or more and a resin for an energy device electrode containing a structural unit derived from a nitrile group-containing monomer.
    Type: Application
    Filed: October 5, 2016
    Publication date: March 28, 2019
    Inventors: Hiroki KUZUOKA, Kenji SUZUKI, Shunsuke NAGAI, Eisuke HABA
  • Patent number: 10090521
    Abstract: A lithium ion battery includes: a negative electrode in which a state of charge at a potential to be 0.1 V with respect to a lithium potential is 60% or more; and a positive electrode containing a lithium-containing composite metal oxide, and a capacity ratio of the positive electrode and the negative electrode (negative electrode capacity/positive electrode capacity) is 1 or more and less than 1.2. In the lithium ion battery described above, the lithium-containing composite metal oxide contains layered lithium nickel manganese cobalt composite oxide (NMC) and spinel lithium manganese oxide (sp-Mn).
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: October 2, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Katsunori Kodato, Eisuke Haba, Mie Abe
  • Patent number: 10077495
    Abstract: Single walled carbon nanotubes can be synthesized and production efficiency of carbon nanotubes can be enhanced by a method including a supplying step (S11) in which particulate carriers are supplied into a drum, a sputtering step (S12) for supporting a catalyst, in which sputtering is performed while this drum 10 is rotated around the axis and is swung so that one end portion and the other end portion in the axial direction of the drum 10 are relatively vertically switched, and a recovering step (S13) in which the particulate carriers are recovered by inclining the drum to discharge the particulate carriers from the drum.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: September 18, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shunsuke Ueda, Eisuke Haba
  • Patent number: 10041165
    Abstract: Single walled carbon nanotubes can be synthesized and production efficiency of carbon nanotubes can be enhanced by a method including a supplying step (S11) in which particulate carriers are supplied into a drum, a sputtering step (S12) for supporting a catalyst, in which sputtering is performed while this drum 10 is rotated around the axis and is swung so that one end portion and the other end portion in the axial direction of the drum 10 are relatively vertically switched, and a recovering step (S13) in which the particulate carriers are recovered by inclining the drum to discharge the particulate carriers from the drum.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: August 7, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shunsuke Ueda, Eisuke Haba
  • Publication number: 20180205115
    Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, and a separator, and the positive electrode includes a current collector, a conductive layer formed on the current collector, and a positive electrode active material layer formed on the conductive layer, the conductive layer includes a conductive particle, a polymer particle, and a water-soluble polymer, and the separator has a heat shrinkage ratio at 160° C. of 30% or less, or the separator includes a porous substrate and an inorganic particle, and the porous substrate includes a layered body in which polypropylene and polyethylene are alternately layered, or the separator includes an inorganic particle and a porous substrate including a woven or non-woven fabric of polyethylene terephthalate.
    Type: Application
    Filed: July 20, 2016
    Publication date: July 19, 2018
    Inventors: Eisuke HABA, Kenji TAKAOKA, Hiroki KUZUOKA, Shunsuke NAGAI, Takuya NISHIMURA
  • Patent number: 9920419
    Abstract: A drum sputtering device that can uniformly deposit target atoms on all over particles is provided. The drum sputtering device includes a vacuum container 2 that contains particles, a tubular drum 10 that is arranged inside the vacuum container 2 and at least one end face 10c of which is open, and a sputtering target 16 that is arranged inside the drum 10. With a supporting arm 11, a drive motor 12 for rotation, a drive motor 13 for swing, a first gear member 14, and a second gear member 15, the drum can be rotated around the axis of the drum 10 and the drum 10 can be swung so that one end portion 10e and the other end portion 10f in the axial direction of the drum 10 are relatively vertically switched.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: March 20, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shunsuke Ueda, Eisuke Haba
  • Publication number: 20180057678
    Abstract: The present disclosure provides a binder resin composition comprising a polyolefin particle, an organic solvent and a polymer that is soluble in the organic solvent, as well as an electrode for a lithium ion secondary battery and a lithium ion secondary battery each using the binder resin composition.
    Type: Application
    Filed: March 1, 2016
    Publication date: March 1, 2018
    Inventors: Shunsuke NAGAI, Hiroki KUZUOKA, Eisuke HABA, Kenji TAKAOKA, Nobuyuki OGAWA
  • Publication number: 20180040899
    Abstract: The invention provides: a positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material; an electrode for a lithium ion secondary battery, the electrode including an electrode active material layer, the electrode active material layer including polyolefin particles and a resin including a structural unit derived from a nitrile group-containing monomer; and a lithium ion secondary battery using the same.
    Type: Application
    Filed: February 2, 2016
    Publication date: February 8, 2018
    Inventors: Hiroki KUZUOKA, Eisuke HABA, Shunsuke NAGAI, Kenji TAKAOKA
  • Publication number: 20180006309
    Abstract: A lithium ion secondary battery includes: a cathode; an anode: a separator; and an electrolytic solution containing lithium hexafluorophosphate (LiPF6) as a lithium salt, wherein the cathode includes a current collector and a cathode mixture formed on the current collector, and wherein the cathode mixture contains an aluminum oxide, a part or an entirety of a surface of the aluminum oxide being coated with carbon.
    Type: Application
    Filed: December 15, 2015
    Publication date: January 4, 2018
    Inventors: Kaoru KONNO, Eisuke HABA, Hiroo NISHIYAMA, Kouichi TAKEI, Hiroki MIKUNI
  • Publication number: 20170331146
    Abstract: A positive electrode for a lithium ion secondary battery, including a positive electrode current collector, a conductive layer which is disposed directly or indirectly on the positive electrode current collector, and which includes a conductive particle, a polymer particle, and a fluororesin or a resin including a structural unit derived from a nitrile group-containing monomer, and a positive electrode active material layer disposed directly or indirectly on the conductive layer, as well as a lithium ion secondary battery using the same.
    Type: Application
    Filed: November 30, 2015
    Publication date: November 16, 2017
    Inventors: Eisuke HABA, Masashi AOTANI, Hiroki KUZUOKA
  • Publication number: 20170133676
    Abstract: A lithium ion battery includes: a negative electrode in which a state of charge at a potential to be 0.1 V with respect to a lithium potential is 60% or more; and a positive electrode containing a lithium-containing composite metal oxide, and a capacity ratio of the positive electrode and the negative electrode (negative electrode capacity/positive electrode capacity) is 1 or more and less than 1.2. In the lithium ion battery described above, the lithium-containing composite metal oxide contains layered lithium nickel manganese cobalt composite oxide (NMC) and spinel lithium manganese oxide (sp-Mn).
    Type: Application
    Filed: June 9, 2015
    Publication date: May 11, 2017
    Inventors: Katsunori KODATO, Eisuke HABA, Mie ABE
  • Patent number: 9463981
    Abstract: The present invention relates to a method of producing carbon nanotubes, comprising a catalyst particle forming step of heating and reducing a catalyst raw material to form catalyst particles and a carbon nanotube synthesizing step of flowing a raw material gas onto the heated catalyst particles to synthesize carbon nanotubes, wherein a carbon-containing compound gas without an unsaturated bond is flowed onto the catalyst raw material and/or the catalyst particles in at least one of the catalyst particle forming step and the carbon nanotube synthesizing step.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: October 11, 2016
    Assignees: THE UNIVERSITY OF TOKYO, HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Suguru Noda, Zhongming Chen, Dong Young Kim, Shunsuke Ueda, Eisuke Haba