Patents by Inventor Takasbi Higono

Takasbi Higono 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).

  • Quaternary ammonium salt, electrolyte, and electrochemical device
    Publication number: 20070042271
    Abstract: A quaternary ammonium salt of the formula (1), electrolytic solution and electrochemical device using the salt wherein R1 is straight-chain or branched alkyl having 1 to 4 carbon atoms, R2 is methyl or ethyl, and X? is a fluorine-containing anion.
    Type: Application
    Filed: June 30, 2004
    Publication date: February 22, 2007
    Inventors: Tetsuo Nishida, Yasutaka Tashiro, Megumi Tomisaki, Masashi Yamamoto, Kazutaka Hirano, Akihiro Nabeshima, Hiroaki Tokuda, Kenji Sato, Takasbi Higono