Patents by Inventor Fumiharu Nina

Fumiharu Nina 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).

  • NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    Publication number: 20110195309
    Abstract: A positive electrode active material of a nonaqueous electrolyte secondary battery is improved by using an inexpensive lithium transition metal oxide containing nickel and manganese as main components. Output characteristics of the battery under various temperature conditions are thereby improved, and the battery is suitable as a power supply of a hybrid vehicle. The battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and a nonaqueous electrolyte prepared by dissolving a solute in a nonaqueous solvent.
    Type: Application
    Filed: February 9, 2011
    Publication date: August 11, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Fumiharu Nina, Akihiro Suzuki, Shingo Tode, Toshikazu Yoshida, Yoshinori Kida, Hiroyuki Fujimoto