Patents by Inventor Kiyofumi INOUCHI

Kiyofumi INOUCHI 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: 10454097
    Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1-x-yCoxM1yWzM2wO2, where 1.0?a?1.5, 0?x?0.5, 0?y?0.5, 0.002?z?0.03, 0?w?0.02, 0?x+y?0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: October 22, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Kousuke Shimokita, Kenta Kawai, Kiyofumi Inouchi
  • Patent number: 9981859
    Abstract: The present invention provides a positive electrode composition for a non-aqueous electrolyte secondary battery, wherein the composition includes a lithium-transition metal composite oxide represented by the following compositional formula: LiaNi1-x-yCoxM1yM2zMo?Nb?O2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.000?z?0.020, 0.002???0.020, 0.002???0.020, and 0.00?x+y?0.70, M1 represents at least one element selected from the group consisting of Mn and Al, and M2 represents at least one element selected from the group consisting of Zr, Ti, Mg, Ta, and V, and a boron compound including at least boron and oxygen.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: May 29, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Kosuke Shimokita, Makoto Shimahara, Kiyofumi Inouchi
  • Patent number: 9944537
    Abstract: The present invention provides a positive electrode composition for a non-aqueous electrolyte secondary battery, wherein the composition includes a lithium-transition metal composite oxide represented by the following compositional formula: LiaNi1-x-yCoxM1yM2zMo?Nb?O2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.000?z?0.020, 0.002???0.020, 0.002???0.020, and 0.00?x+y?0.70, M1 represents at least one element selected from the group consisting of Mn and Al, and M2 represents at least one element selected from the group consisting of Zr, Ti, Mg, Ta, and V, and a boron compound including at least boron and oxygen.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: April 17, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Kosuke Shimokita, Makoto Shimahara, Kiyofumi Inouchi
  • Publication number: 20170317339
    Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1-x-yCoxM1yWzM2wO2, where 1.0?a?1.5, 0?x?0.5, 0?y?0.5, 0.002?z?0.03, 0?w?0.02, 0?x+y?0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Applicant: NICHIA CORPORATION
    Inventors: Kousuke SHIMOKITA, Kenta KAWAI, Kiyofumi INOUCHI
  • Patent number: 9742002
    Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1?x?yCoxM1yWzM2wO2, where 1.0?a?1.5, 0?x?0.5, 0?y?0.5, 0.002?z?0.03, 0?w?0.02, 0?x+y?0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: August 22, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Kousuke Shimokita, Kenta Kawai, Kiyofumi Inouchi
  • Publication number: 20150118564
    Abstract: The present invention provides a positive electrode composition for a non-aqueous electrolyte secondary battery, wherein the composition includes a lithium-transition metal composite oxide represented by the following compositional formula: LiaNi1-x-yCoxM1yM2zMo?Nb?O2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.000?z?0.020, 0.002???0.020, 0.002???0.020, and 0.00?x+y?0.70, M1 represents at least one element selected from the group consisting of Mn and Al, and M2 represents at least one element selected from the group consisting of Zr, Ti, Mg, Ta, and V, and a boron compound including at least boron and oxygen.
    Type: Application
    Filed: October 29, 2014
    Publication date: April 30, 2015
    Inventors: Kosuke SHIMOKITA, Makoto SHIMAHARA, Kiyofumi INOUCHI