ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,971, issued on Oct. 21, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Key-per-IO multiple tenant isolation" was invented by Amir Segev (Meiter, Israel) and Shay Benisty (Beer Sheva, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure generally relates improved key-per IO (KIPO) processing for multiple tenants. Rather than when a tenant requests a key change to stop tenants from working, indirect-double-indexing can be used to prevent bandwidth loss in tenants during adaptions for other tenants. When a tenant requests to manipulate the key-index table, the system will keep working. The current key index list ...