US Patent Issued to MITSUBISHI ELECTRIC on July 29 for "Power conversion device, aircraft, and power conversion method" (Japanese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,010, issued on July 29, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Power conversion device, aircraft, and power conversion method" was invented by Ryota Asakura (Tokyo), Yusuke Shirouchi (Tokyo), Kenji Fujiwara (Tokyo) and Tetsuya Kojima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gradationally controlled voltage inverter, which is a power conversion device, controls a gate impedance of a main inverter before a capacitor voltage VDCS of a sub-inverter is controlled at a predetermined voltage so as to be larger than a gate impedance of the main inverter after the capacitor voltage VDCS of the sub-inverter is controlled at the pre...