Patents by Inventor Toyonari Sugimoto

Toyonari Sugimoto 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).

  • Electrode active material and secondary battery
    Patent number: 9231251
    Abstract: An electrode active material is based on an organic compound containing in the structural unit thereof a pyrazine structure bound to cycloalkane. The electrode active material and a secondary battery containing it have large energy density, outputting high power, and having excellent cycle characteristics with little reduction in capacity even after repetition of charging and discharging.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: January 5, 2016
    Assignees: MURATA MANUFACTURING CO., LTD., NARD INSTITUTE, LTD.
    Inventors: Masaharu Sato, Toyonari Sugimoto, Takayuki Kubota, Takayuki Matsunaga