ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,347, issued on April 15, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Apparatus and methods for back-to-back state machine controller bus operations" was invented by Kei Akiyama (Yokohama, Japan), Iris Lu (Fremont, Calif.), Yoshito Katano (Fujisawa, Japan) and Tai-Yuan Tseng (Milpitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus is provided that includes a memory structure including non-volatile memory cells, a first processor and a second processor. The first processor is configured to provide a plurality of sets of commands to a second processor to perform memory operations on the non-volatile memory cells. ...