ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,552, issued on Jan. 20, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Delay circuit and operational method thereof" was invented by Masaya Hamada (Yokohama, Japan) and Makoto Yabuuchi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit is provided. The circuit comprises a first power switch, a second power switch and delay elements. The first power switch adjusts a first voltage on a first metal line according to an input signal. The second power switch adjusts a second voltage on a second metal line according to the first voltage. The delay elements are coupled between the first metal line and the s...