U.S. Patent 11151261 was awarded to CISCO TECHNOLOGY, INC. on October 19, 2021 and is entitled “Blockchain system with severable data and cryptographic proof.” The first named inventor is Ramanathan Jagadeesan of Saratoga, CA. The abstract contains an overview of the patent disclosure:

The present disclosure provides an approach for a blockchain system in which (a) data of past transactions can be removed from the storage of network nodes based on node permissions, and (b) in which data can be made invisible to users based on user-specific or group-specific permissions. The blockchain system stores cryptographic proofs of data on an immutable ledger. The data itself is maintained within the blockchain system such that it can be partially or fully removed, while maintaining the integrity of the ledger. Link to Full Patent

This blockchain patent was originally filed on April 03, 2019  as U.S. Patent Application 16/374364 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11151261. The primary examiner was Khoi V Le.

CISCO TECHNOLOGY, INC., who is the original assignee of this patent, has at least 16856 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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