ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,820, issued on Dec. 2, was assigned to Intel Corp. (Santa Clara, Calif.).

"Apparatus and method for complex multiplication" was invented by Robert Valentine (Kiryat Tivon, Israel), Mark Charney (Lexington, Mass.), Raanan Sade (Portland, Ore.), Elmoustapha Ould-Ahmed-Vall (Chandler, Ariz.), Jesus Corbal (King City, Ore.) and Roman S. Dubtsov (Novosibirsk, Russia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the invention is a processor including execution circuitry to calculate, in response to a decoded instruction, a result of a complex multiplication of a first complex number and a second complex number. The calculation includes a ...