US Patent Issued to Kioxia on Feb. 11 for "SSD supporting deallocate summary bit table and associated SSD operations" (California Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,223,187, issued on Feb. 11, was assigned to Kioxia Corp. (Tokyo).

"SSD supporting deallocate summary bit table and associated SSD operations" was invented by Saswati Das (Milpitas, Calif.) and Manish Kadam (Cupertino, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to an SSD that stores data in a plurality of regions of the SSD, each of the regions associated with a plurality of logical cluster addresses. The SSD also sets a deallocation status of each of the plurality of regions in a deallocate flag bitmap and sets a deallocation status of one or more sections of the deallocate flag bitmap in a deallocate summary...