According to GlobalData’s company profile on Micron Technology, 3D memory devices was a key innovation area identified from patents. Micron Technology's grant share as of April 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.

Notification system for updating address mapping entries on host system

The granted patent (Publication Number: US11971816B2) describes a host system with a memory device storing a local copy of address mapping data and a processing device that generates data requests based on this data. The system sends these requests to a memory sub-system and checks if the mapping matches a related entry in a remote copy stored on the memory sub-system. If a match is found, the local copy is updated based on the remote copy.

Furthermore, the patent includes claims for a non-transitory machine-readable storage medium with instructions for generating data requests, sending copies of address mapping entries, and updating local copies based on remote copies. Additionally, a method is described for a memory sub-system to determine if a remote copy of address mapping data is stored on a host system, check for data requests, compare mappings, and send notifications based on the comparison results. The method can be performed during or after a garbage collection process on memory units associated with logical memory addresses, and it includes responding to requests for updated copies of the address mapping data from the host system.

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