U.S. Patent 11157639 was awarded to KYOCERA Document Solutions Inc. on October 26, 2021 and is entitled “Systems, processes, and computer program products for authentication of documents based on invisible information in documents.” The first named inventor is Dilinur Wushour of Clayton, CA. The abstract contains an overview of the patent disclosure:

Embodiments identify documents with invisible or hidden information such as tracking codes and extract the tracking codes, which may be leveraged for different applications. Aspects may protect an individual’s right to privacy by extracting “invisible” codes from a document. Other aspects preserve the authenticity of documents by converting the information of an extracted tracking code into other metadata which may accompany the document and copies of the document. In an embodiment, a blockchain ledger may be used to verify the authenticity of a document using information from the original tracking code. Link to Full Patent

This blockchain patent was originally filed on September 10, 2019  as U.S. Patent Application 16/566296 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11157639. The primary examiner was Thaddeus J Plecha.

KYOCERA Document Solutions Inc., who is the original assignee of this patent, has at least 4786 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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