ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,247, issued on Feb. 3, was assigned to Nippon Chemi-Con Corp. (Tokyo).
"Electrical double layer capacitor" was invented by Shun Koikawa (Osaka, Japan), Satoshi Kubota (Tokyo) and Shuichi Ishimoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an electric double layer capacitor with an electrolyte layer which suppresses leakage current and has high ion conductivity. The electric double layer capacitor includes a pair of electrode bodies and an electrolyte layer. The electrode bodies have polarizable electrodes. The electrolyte layer includes ionic liquid plastic crystals."
The patent was filed on Aug. 11, 2021, ...