ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,297, issued on Oct. 21, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Lithium-ion capacitor" was invented by Shohei Masuda (Kyoto, Japan), Kenichi Nagamitsu (Kyoto, Japan) and Nao Matsumura (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a lithium-ion capacitor, the positive electrode includes a positive current collector and a positive electrode mixture layer. The positive electrode mixture layer contains a positive electrode active material. An electrostatic capacity of the positive current collector is less than or equal to 20 MuF/cm2. The negative electrode includes a negative current collec...