ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,188, issued on May 13, was assigned to Hahn-Schickard-Gesellschaft fuer angewandte Forschung e.V. (Villingen-Schwenningen, Germany).

"Operational amplifier and method for operating an operational amplifier" was invented by Armin Taschwer (Kientzheim, France), Michael Maurer (Rheinhausen, Germany) and Markus Kuderer (Kirchzarten, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an operational amplifier, including: a symmetrical differential amplifier; a local common mode feedback circuit coupled to the symmetrical differential amplifier; a tail current source circuit including at least one first transistor and a...