US Patent Issued to QNAP Systems on May 27 for "Access control list management method, data storage device and computer-readable medium" (Taiwanese Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,639, issued on May 27, was assigned to QNAP Systems Inc. (New Taipei, Taiwan).

"Access control list management method, data storage device and computer-readable medium" was invented by Tsu-Yu Wu (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An access control list (ACL) management method is provided. The ACL management method is used in a file system and includes: storing an ACL pattern, where the ACL pattern corresponds to a subtree of a directory tree in the file system and includes a root access control list (RACL), the ACL of the root node of the subtree is the RACL, the ACL of each non-root directory of the subtree is the sa...