Patents by Inventor Yasuhiko Emori

Yasuhiko Emori 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 ion secondary battery
    Patent number: 9570744
    Abstract: [Problem] To provide a lithium ion secondary battery having excellent high-rate discharge characteristics. [Solution] Excellent high-rate discharge characteristics are obtained by a lithium ion secondary battery in which a compound represented by Lia(NixCoyAl1-x-y)O2 (where 0.95?a?1.05, 0.5?x?0.9, 0.05?y?0.2, and 0.7?x+y?1.0) is used as a positive electrode active material in a positive electrode, the positive electrode has an electrode density of 3.75 to 4.1 g/cm3, and the positive electrode has a BET specific surface area of 1.3 to 3.5 m2/g as an electrode.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: February 14, 2017
    Assignee: TDK CORPORATION
    Inventors: Atsushi Sano, Hiroyuki Miyabara, Yasuhiko Emori
  • LITHIUM ION SECONDARY BATTERY
    Publication number: 20150180034
    Abstract: [Problem] To provide a lithium ion secondary battery having excellent high-rate discharge characteristics. [Solution] Excellent high-rate discharge characteristics are obtained by a lithium ion secondary battery in which a compound represented by Lia(NixCoyAl1-x-y)O2 (where 0.95?a?1.05, 0.5?x?0.9, 0.05?y?0.2, and 0.7?x+y?1.0) is used as a positive electrode active material in a positive electrode, the positive electrode has an electrode density of 3.75 to 4.1 g/cm3, and the positive electrode has a BET specific surface area of 1.3 to 3.5 m2/g as an electrode.
    Type: Application
    Filed: July 25, 2013
    Publication date: June 25, 2015
    Inventors: Atsushi Sano, Hiroyuki Miyabara, Yasuhiko Emori