U.S. Patent 10771639 was awarded to KYOCERA Document Solutions Inc. on September 08, 2020 and is entitled “Image forming system, image forming apparatus, and image forming method that allows to pull print without server.” The first named inventor is Naohiko Kosaka of Dublin, CA. The abstract contains an overview of the patent disclosure:

Provided is an image forming system for pull printing and does not need a server. A division part generates a blockchain of a document data by generating identification information of the document data for pull print, by dividing into blocks, and by calculating and including a previous hash value of a previous block in order. A storing and transmitting part transmits each of divided blocks. A storing part that stores received block. An outputting and transmitting part transmits the stored block according to the instructions. An identification information acquisition part acquires the identification information of the document data. A block acquisition part acquires each of the block of the document data corresponding to the identification information. A document reproduction part packs each of the block and reproduces to the document data. An image forming part outputs the document data. Link to Full Patent

This blockchain patent was originally filed on April 24, 2019  as U.S. Patent Application 16/393470 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10771639. The primary examiner was Juan M Guillermety.

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 1 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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