ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,169, issued on Feb. 10, was assigned to FUJI ELECTRIC Co. LTD. (Kanagawa, Japan).

"Delay circuit, drive apparatus, semiconductor apparatus and delay method" was invented by Taizo Asano (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a delay circuit which delays a control signal and outputs the control signal to a gate drive circuit of a semiconductor device, the delay circuit includes a delay unit which delays the control signal such that a time lag between a timing of change in the control signal and a timing of change in a drive signal supplied from the gate drive circuit to a gate of the semiconductor device is brough...