U.S. Patent 11128477 was awarded to Internetworking & Broadband Consulting Co., Ltd. on September 21, 2021 and is entitled “Electronic certification system.” The first named inventor is Toshiyuki Uehara of Tokyo, . The abstract contains an overview of the patent disclosure:

An electronic certification system that can simplify a process for verification of reliability while improving reliability. The electronic certification system guarantees reliability of data using an audit trail registered in a blockchain, the data being provided to a second terminal such as a client by a first terminal such as a server, the first terminal includes audit trail registration for registering information and the data as the audit trail in the blockchain, the information relating at least one of the first terminal, an administrator of the first terminal, and a program configured to run on the first terminal and exchange the data with the second terminal, and an audit trail provider for transmitting the audit trail to the second terminal. The second terminal determines that the data is reliable if the audit trail provided by the audit trail provider has been registered in the blockchain. Link to Full Patent

This blockchain patent was originally filed on April 09, 2018  as U.S. Patent Application 16/333931 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11128477. The primary examiner was Malcolm Cribbs.

Internetworking & Broadband Consulting Co., Ltd., who is the original assignee of this patent, has at least 1 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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