Patents by Inventor Mitsue TAKEUCHI

Mitsue TAKEUCHI 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).

  • Active material for nonaqueous electrolyte energy storage device
    Patent number: 9692043
    Abstract: An active material for a nonaqueous electrolyte energy storage device contains a lithium-transition metal composite oxide having a crystal structure attributable to space group Fm-3m and represented by the compositional formula (1): Li1+xNbyMezApO2??(1) wherein Me is a transition metal including Fe and/or Mn, 0<x<1, 0<y<0.5, 0.25?z<1, A is an element other than Nb and Me, and 0?p?0.2.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: June 27, 2017
    Assignees: Tokyo University of Science Educational Foundation Administrative Organization, GS Yuasa International Ltd.
    Inventors: Mitsue Takeuchi, Naoaki Yabuuchi, Shinichi Komaba, Daisuke Endo
  • ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE ENERGY STORAGE DEVICE
    Publication number: 20160049640
    Abstract: An active material for a nonaqueous electrolyte energy storage device contains a lithium-transition metal composite oxide having a crystal structure attributable to space group Fm-3m and represented by the compositional formula (1): Li1+xNbyMezApO2??(1) wherein Me is a transition metal including Fe and/or Mn, 0<x<1, 0<y<0.5, 0.25?z<1, A is an element other than Nb and Me, and 0?p?0.2.
    Type: Application
    Filed: March 26, 2014
    Publication date: February 18, 2016
    Inventors: Mitsue TAKEUCHI, Naoaki YABUUCHI, Shinichi KOMABA, Daisuke ENDO