Patents by Inventor Takuml Tamaki

Takuml Tamaki 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).

  • Non-aqueous electrolyte secondary battery, electrode body used therefor, and method of manufacturing the electrode body
    Patent number: 10347946
    Abstract: An electrode body includes: a positive electrode that includes a positive electrode active material layer; a negative electrode that includes a negative electrode active material layer; and a separator that electrically separates the positive electrode and the negative electrode from each other, in which the positive electrode active material layer and the separator contain N-methylpyrrolidone (NMP). A N-methylpyrrolidone (NMP) content in the positive electrode active material layer is 54 ppm to 602 ppm with respect to a total solid content of the positive electrode active material layer, and a N-methylpyrrolidone content (NMP) in the separator is 10 ppm to 26 ppm with respect to the total solid content of the positive electrode active material layer.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: July 9, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuml Tamaki, Satoru Takehara