TDK Assigned Patent

TDK Corporation, Tokyo, Japan, has been assigned a patent (9,703,495) developed by Takubo, Kenichi, and Kishi, Kazuaki, Tokyo, Japan, for a “memory controller, memory system, and memory control method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The memory controller comprises a storage unit in which the Registered-System-Max-NOE is registered per logical area and a processor which registers, in the storage unit, the System-Max-NOE, (the maximum value of multiple erasures respectively corresponded to multiple physical areas) at the time when allocating a spare physical area in one of the logical areas as the Registered-System-Max-NOE to be associated with the allocation destination logical area. The processor performs a wear leveling processing based on the Registered-System-Max-NOE per logical area.“

The patent application was filed on February 12, 2015 (14/620,332).