Patents by Inventor Kenta KOTANI

Kenta KOTANI 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 electrolytic solution containing glycol sulfate derivative and fluoroethylene carbonate and lithium ion secondary battery containing the same
    Patent number: 9601808
    Abstract: A nonaqueous electrolytic solution includes a cyclic carbonate and a chain carbonate, and contains a glycol sulfate derivative represented by formula (I) below and fluoroethylene carbonate: [wherein each of R1 and R2 independently represents at least one selected from the group consisting of a hydrogen atom and a hydrocarbon group having 1 to 5 carbon atoms].
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: March 21, 2017
    Assignee: TDK CORPORATION
    Inventors: Kenta Kotani, Atsushi Sano
  • NONAQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM ION SECONDARY BATTERY
    Publication number: 20130260261
    Abstract: A nonaqueous electrolytic solution includes a cyclic carbonate and a chain carbonate, and contains a glycol sulfate derivative represented by formula (I) below and fluoroethylene carbonate: [wherein each of R1 and R2 independently represents at least one selected from the group consisting of a hydrogen atom and a hydrocarbon group having 1 to 5 carbon atoms].
    Type: Application
    Filed: March 18, 2013
    Publication date: October 3, 2013
    Inventors: Kenta KOTANI, Atsushi SANO