ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,721, issued on Sept. 1, was assigned to Yangtze Memory Technologies Co. Ltd. (Wuhan, China).

"Memory, operation method thereof and memory system" was invented by Jiameng Cui (Wuhan, China), Kaikai You (Wuhan, China), Jianquan Jia (Wuhan, China), Junbao Wang (Wuhan, China) and Wenhao Xiong (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory, an operation method thereof, and a memory system are provided. The memory includes: a memory cell array including memory strings each including memory cells and top select transistors; top select gate lines coupled to top select transistors; word lines coupled to memory cells; and a peripheral c...