ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,970, issued on July 15, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Parallel self-servo write circuitry in a data storage device" was invented by Guoxiao Guo (Irvine, Calif.), Yanning Liu (San Jose, Calif.), Joey M. Poss (Rochester, Minn.), Ryan Mayo (Aliso Viejo, Calif.), Richard Conway (San Jose, Calif.), Scott A Ottele (Longmont, Colo.) and Charles A. Park (Aromas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example circuits, data storage devices, and methods to provide parallel self-servo write in a data storage device are described. The data storage device may include multiple heads actuated over respective ...