Patents by Inventor Toshinori Douzono

Toshinori Douzono 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).

  • Lithium menganes oxide secondary battery
    Patent number: 6413673
    Abstract: In order to provide a high performance secondary battery, which is suitable for applying to portable apparatus or electric vehicles, a spinel type oxide Li1+xMn2−xO4 (0<x<0.33) added with at least an element different from the composing element is used as an active material.
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: July 2, 2002
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Kasai, Toshinori Douzono