ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,170, issued on May 27, was assigned to PURE STORAGE INC. (Santa Clara, Calif.).
"Guaranteeing physical deletion of data in a storage system" was invented by Igor Ostrovsky (Mountain View, Calif.), Constantine P. Sapuntzakis (Palo Alto, Calif.), Peter E. Kirkpatrick (Los Altos, Calif.) and John Colgrove (Los Altos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system with storage memory and a processing device has a logical deletion to physical erasure time bound. The system dereferences data, responsive to a direction to delete the data. The system monitors physical blocks in storage memory for live data and the dereferenced data. The syst...