U.S. Patent 10949118 was awarded to Advanced New Technologies Co., Ltd. on March 16, 2021 and is entitled “Data storage method, apparatus, and device for multi-layer blockchain-type ledger.” The first named inventor is Xinying Yang of Hangzhou, . The abstract contains an overview of the patent disclosure:

Computer-implemented methods, non-transitory, computer-readable media, and computer-implemented systems for data storage. One computer-implemented method includes: obtaining a data block from a previous blockchain-type ledger in multi-level blockchain-type ledgers, where in the multi-level blockchain-type ledgers comprise a bottom-layer blockchain-type ledger and at least one higher-layer blockchain-type ledger; determining a block height of the data block and a root hash of a Merkel tree constructed by data records in the data block; constructing updated data records comprising the root hash and the block height; and recording the updated data records in a data block in a current blockchain-type ledger in the multi-level blockchain-type ledgers a level higher than the previous blockchain-type ledger. Link to Full Patent

This blockchain patent was originally filed on March 05, 2020  as U.S. Patent Application 16/810691 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10949118. The primary examiner was Azam M Cheema.

Advanced New Technologies Co., Ltd., who is the original assignee of this patent, has at least 1031 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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