Patents by Inventor Yumiko YONEDA (Former family: SAITO)

Yumiko YONEDA (Former family: SAITO) 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 MANGANESE COMPOSITE OXIDE, SECONDARY BATTERY, ELECTRONIC DEVICE, AND METHOD FOR FORMING LAYER
    Publication number: 20150099179
    Abstract: To increase the volume density or weight density of lithium ions that can be received and released in and from a positive electrode active material to achieve high capacity and high energy density of a secondary battery. A lithium manganese composite oxide represented by LixMnyMzOw that includes a region belonging to a space group C2/c and is covered with a carbon-containing layer is used as the positive electrode active material. The element M is an element other than lithium and manganese. The lithium manganese composite oxide has high structural stability and high capacity.
    Type: Application
    Filed: September 26, 2014
    Publication date: April 9, 2015
    Inventors: Tatsuya IKENUMA, Shuhei YOSHITOMI, Takahiro KAWAKAMI, Yumiko YONEDA (Former family: SAITO), Yohei MOMMA