ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,969, issued on May 26, was assigned to DAPUSTOR Corp. (Shenzhen, China).

"Data compression method and flash memory device" was invented by Juming Liao (Shenzhen, China), Xueming Cao (Shenzhen, China), Yuanpeng Ma (Shenzhen, China) and Ying Yang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data compression method is disclosed. The data compression method is applied to a flash memory device having a flash memory medium. The data compression method includes: reading at least two pieces of cold data in the flash memory medium; compressing the at least two pieces of cold data in the flash medium, so as to obtain at least two pieces of...