ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,920, issued on July 15, was assigned to Sony Group Corp. (Tokyo).

"Information processing device and information processing method with lock for exclusive access to data in memory" was invented by Yuuichi Nakamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information processing device (100) includes a plurality of CPUs (1), a plurality of cache memories (2) associated with the plurality of CPUs (1), and a main memory (3), each of the plurality of CPUs (1) acquires a lock for exclusively accessing data in the main memory (3), and then accesses the data, data related to access of a corresponding CPU (1) and a lock ID for specifying the ...