US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on Sept. 16 for "Electrochemical capacitor" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,884, issued on Sept. 16, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Electrochemical capacitor" was invented by Nao Miyaguchi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical capacitor includes: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an electrolytic solution. The electrolytic solution contains a lactone compound. A capacity of the positive electrode is greater than the capacity of the negative electrode and is less than or equal to 1.6 times the capacity of the negative electrode."

The pat...