ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,890, issued on March 17, was assigned to Micron Technology Inc. (Boise, Idaho).
"Block replacement using combined blocks" was invented by Nikhil Birgade (Hyderabad, India), Uday Bhasker V. Vudugandla (Hyderabad, India) and Mani Raghavendra Aravapalli (Hyderabad, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for block replacement using combined blocks are described. A memory system may receive a command to perform an access operation on a block of the memory system. The memory system may determine whether a block pool includes a second block configured to replace the block based on a failure to perform the access...