ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,556, issued on April 15, was assigned to TMEIC Corp. (Chuo-ku, Japan).
"Control device and power conversion device" was invented by Daiki Terashima (Tokyo), Yoshihiro Tawada (Tokyo), Tomoya Katsukura (Tokyo) and Issei Fukasawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device is a control device of a power conversion device, and includes a conversion value calculation unit that acquires a current value of a current flowing in an alternating-current capacitor connected to a capacitor circuit in an output circuit on an alternating-current side of an inverter circuit and performs conversion of the current value to obtain a predeterm...