ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,535, issued on June 16, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde City, China).

"Electrochemical device and electronic device" was invented by Jianzheng Sun (Dongguan City, China) and Xiaochen Li (Dongguan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical apparatus includes a housing, an electrode assembly disposed inside the housing, a first tab group, and a first adapting piece electrically connected to the first tab group and extending out of the housing. The electrode assembly includes electrode plates comprising a first electrode plate and a second electrode plate, and a separator disposed between adjace...