ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,312, issued on June 3, was assigned to Alibaba (China) Co. Ltd. (Hangzhou, China).

"Distributed storage system, method, device, and storage medium for metadata management" was invented by Junfeng Liu (Zhejiang, China), Wenhui Yao (Beijing), Xiaodong Wang (Zhejiang, China) and Chenyi You (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for distributed storage includes a distributed file system for distributed storage of data, distributed metadata service nodes configured to run in different processes and configured to manage metadata of the data, in which the distributed metadata service nodes are configured with corresponding ...