ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,291, issued on Sept. 30, was assigned to SUN YAT-SEN UNIVERSITY (Guangdong, China).

"Directory management method and system for file system based on Cuckoo hash and storage medium" was invented by Zhiguang Chen (Guangdong, China), Xianqi Zheng (Guangdong, China), Yutong Lu (Guangdong, China), Nong Xiao (Guangdong, China), Zejie Hu (Guangdong, China) and Jiawen Luo (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A directory management method and system for a file system based on Cuckoo hash are provided, including the steps of reading metadata of a sub-directory or a sub-file, used as a target file, in a directory: receiving a reque...