ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,663, issued on Nov. 4, was assigned to FEITIAN TECHNOLOGIES Co. LTD. (Beijing).
"Encrypted USB flash disk system and implementation method therefor" was invented by Zhou Lu (Beijing) and Huazhang Yu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An implementation method for an encrypted USB flash disk system. A virtual drive letter is bound to an device object and then mapped; driver software wafts for an operation of an operating system on the device object; the driver software determines, according to the operation of the operating system on different device objects, the type of a received instruction; if the received instruction is a read...