US Patent Issued to HITACHI on Oct. 20 for "Driving device of semiconductor switching element and power conversion device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,340, issued on Oct. 20, was assigned to HITACHI LTD. (Tokyo).

"Driving device of semiconductor switching element and power conversion device" was invented by Hangxian Gao (Tokyo), So Watanabe (Tokyo) and Hiroshi Suzuki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention adjusts the surge voltage of a switching element to a prescribed value or lower while reducing switching loss in accordance with an operation condition. The present invention includes a gate driving circuit unit that drives a semiconductor switching element and a feedback current control unit that applies, to a gate G of the semiconductor switching element, a ...