ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,895, issued on June 2, was assigned to Shanghai Bright Power Semiconductor Co. Ltd. (Shanghai).

"Operation circuit and chip" was invented by Yanmei Guo (Shanghai), Zhen Zhu (Shanghai), Yuehui Li (Shanghai), Xiaoru Gao (Shanghai), Yihui Chen (Shanghai), Haifeng Miao (Shanghai) and Rulong Jiang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An operation circuit and a chip pertaining to the field of integrated circuit design technology are disclosed by the present invention. The circuit includes a capacitor charging/discharging module and an error amplification module electrically connected to the capacitor charging/discharging module. The cap...