# Pradeep Jnana Madhavarapu — Patents explained on PatentBrief

Pradeep Jnana Madhavarapu has 1 landmark patent explained in plain English on PatentBrief.

- [How Databases Keep Read-Only Copies Up-to-Date](https://patentbrief.org/patent/us/9280591/amazon-emr-elastic-mapreduce) — granted 2016
  Amazon's 2016 patent describes a system for efficiently updating read-only copies of a distributed database by sending specific change notifications, ensuring read-only nodes show accurate data.

**Full profile:** https://patentbrief.org/inventor/pradeep-jnana-madhavarapu

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._