U.S. Patent 11138558 was awarded to TAIWAN CARBON NANO TECHNOLOGY CORPORATION on October 05, 2021 and is entitled “System and method for managing food information based on its odor.” The first named inventor is Chun-Jung Tsai of Miao-Li County, . The abstract contains an overview of the patent disclosure:

The invention provides a system for managing food information based on an odor, which comprises a gas sensing module, a processing module, a blockchain module and a display module. The gas sensing module includes a colorimetric gas sensing chip reacting with odor molecules emitted by the food to form a coloring reaction and present a color image corresponding to the food. The processing module includes a conversion unit for converting the color image into identification information corresponding to the food. The blockchain module includes a plurality of nodes, and the plurality of nodes store identification information corresponding to the food. The display module includes an identification label corresponding to the identification information. Therefore, when the invention is applied to the blockchain technology, it can remove the doubt that the data on the chain can be falsified before the data is uploaded. Link to Full Patent

This blockchain patent was originally filed on March 20, 2020  as U.S. Patent Application 16/825484 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11138558. The primary examiner was Nader Bolourchi.

TAIWAN CARBON NANO TECHNOLOGY CORPORATION, who is the original assignee of this patent, has at least 9 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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