U.S. Patent 10818121 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 includes a terminal, authentication servers, and voting servers. Each authentication server includes an authentication processor that authenticates a voter using authentication data, and a first synchronizer that synchronizes a first blockchain including first transaction data with at least one other authentication server. The authentication data including a first identifier and authentication information. Each voting server includes a voting processor that receives voting data including a second identifier and voting information, and a second synchronizer that synchronizes a second blockchain including the voting information as second transaction data with at least one other voting server. Each voting server further includes a block generator that connects a block including the second transaction data to the second blockchain, and a determiner that determines the block to include the second transaction data. The terminal transmits the authentication data to at least one other authentication server and transmits the voting data to one of the voting servers after authentication. Link to Full Patent

This blockchain patent was originally filed on August 22, 2018  as U.S. Patent Application 16/108134 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10818121. 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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