ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,505, issued on June 17, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Secondary battery" was invented by Satoshi Umezu (Kyoto, Japan), Yusuke Morino (Kyoto, Japan), Takumi Hiasa (Kyoto, Japan) and Kazunari Motohashi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. A potential of the positive electrode, versus a lithium reference electrode, at a time of charging is higher than or equal to 4.50 V. The electrolytic solution includes a branched carboxylic acid ester compound."
The patent was filed on April 25, 2022, under ...