Patents by Inventor KEISUKE MASUNAGA

KEISUKE MASUNAGA 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).

  • Electrolyte solution for electrochemical device, and electrochemical device
    Patent number: 11948741
    Abstract: An electrolytic solution for an electrochemical device a solvent, an ionic substance, and an additive agent, the additive agent containing ?-methyl-?-butyrolactone and ?-valerolactone.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: April 2, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Keisuke Masunaga, Hideo Sakata, Nao Miyaguchi
  • ELECTROLYTE SOLUTION FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE
    Publication number: 20230230777
    Abstract: An electrolytic solution for an electrochemical device a solvent, an ionic substance, and an additive agent, the additive agent containing ?-methyl-?-butyrolactone and ?-valerolactone.
    Type: Application
    Filed: May 18, 2021
    Publication date: July 20, 2023
    Inventors: KEISUKE MASUNAGA, HIDEO SAKATA, NAO MIYAGUCHI