U.S. Patent 10417219 was awarded to MACROGEN, INC. on September 17, 2019 and is entitled “Data sharing method based on plurality of blockchains.” The first named inventor is Changhoon Kim of Palo Alto, CA. The abstract contains an overview of the patent disclosure:

Provided is a data sharing method based on a plurality of blockchains. The method includes registering, by a management server, user block data which includes user information and a hash key of each user of a plurality of users in a user information blockchain, receiving, by the management server, storage information of data provided by a first user from a storage server, and receiving, by the management server, a request for specific data from a second user and transmitting storage information of the specific data to the second user. Link to Full Patent

This blockchain patent was originally filed on December 17, 2018  as U.S. Patent Application 16/222332 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10417219. The primary examiner was Shiow-Jy Fan.

MACROGEN, INC., who is the original assignee of this patent, has at least 5 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 8 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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