ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,276, issued on Sept. 16, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Impedance matching circuit and method" was invented by Chin-Hua Wen (Toufen Township, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An impedance matching circuit is provided. The impedance matching circuit includes a reference voltage generator configured to generate a reference voltage. A code generator is configured to generate a first calibration code by comparing the reference voltage with a first voltage associated with a first node and a second calibration code by comparing the reference voltage with a second voltage associated wit...