ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,928, issued on March 18, was assigned to Winbond Electronics Corp. (Taichung, Taiwan).

"Operation method for memory device" was invented by Yi-Chen Fan (Hsinchu County, Taiwan) and Chieh-Yen Wang (Hsinchu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An operation method for a memory device is provided. A memory block of the memory device includes an array of memory cells including cell strings and cell pages. Serially numbered and arranged bit lines are connected to the cell strings, respectively. Serially numbered and arranged word lines are connected to the cell pages, respectively. The operation method includes: performing a batc...