ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,867, issued on Oct. 28, was assigned to Siemens Healthineers International AG (Steinhausen, Switzerland).

"Radiation treatment plan optimization method and apparatus" was invented by Esa Kuusela (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control circuit, while optimizing a radiation treatment plan for a particular patient, outsources an optimization calculation to an external resource and then receives from that external resource a resultant optimization calculation. By one approach, that optimization calculation comprises an optimization high-level utility function calculation. The external resource may comprise, for example, ...