Patents by Inventor Tomoko OIKAWA

Tomoko OIKAWA 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).

  • ELECTROLYTIC SOLUTION FOR ELECTRIC DOUBLE LAYER CAPACITOR, ELECTRIC DOUBLE LAYER CAPACITOR USING THE SAME, AND MANUFACTURING METHOD THEREFOR
    Publication number: 20120044614
    Abstract: Provided are an electrolytic solution for an electric double layer capacitor capable of providing an electric double layer capacitor having stable quality, an electric double layer capacitor using the electrolytic solution, and a manufacturing method for the electric double layer capacitor. The electrolytic solution includes a supporting electrolyte, sulfolane, and a linear sulfone. It is preferred that the electrolytic solution further include an organic fluorine compound. Further, it is preferred that the supporting electrolyte contain 5-azoniaspiro[4.4]nonane tetrafluoroborate, and the content of 5-azoniaspiro[4.4]nonane tetrafluoroborate be 1.5 to 3.6 mol/dm3.
    Type: Application
    Filed: August 18, 2011
    Publication date: February 23, 2012
    Inventors: Tomohiro HOMMO, Roy SATO, Tomoko OIKAWA, Tsuneaki TAMACHI, Isamu SHINODA, Sunji WATANABE