U.S. Patent 10818122 was awarded to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA on October 27, 2020 and is entitled “Electronic voting system and control method.” The first named inventor is Akira Tanaka of Kanagawa, . The abstract contains an overview of the patent disclosure:

An electronic voting system including a terminal, authentication servers, and voting servers is provided. Each authentication server includes an authentication processor that authenticates a voter using authentication data including a first identifier associated with the voter and authentication information regarding the voter, and a first synchronizer that synchronizes a first blockchain including first transaction data indicating that the voter has been authenticated. Each voting server includes a voting processor that receives, from the terminal, voting data including a second identifier associated with a vote cast by the voter, and voting information indicating the vote. Each voting server further includes a second synchronizer that synchronizes a second blockchain including second transaction data and dummy transaction data with at least one other voting server. The terminal transmits the authentication data to each authentication server and transmits the voting data to at least one of the voting servers. Link to Full Patent

This blockchain patent was originally filed on August 29, 2018  as U.S. Patent Application 16/115724 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10818122. The primary examiner was Jacob C. Coppola.

PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA, who is the original assignee of this patent, has at least 2206 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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