ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,049, issued on July 15, was assigned to Gemological Institute of America Inc. (Carlsbad, Calif.).
"Surface analysis of gemstones" was invented by Tsung-Han Tsai (Maywood, N.J.), Hiroshi Takahashi (Fort Lee, N.J.) and Joey McEnery (New York).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods here may be used for capturing and analyzing reflectance images of facets on a gemstone under particular lighting and camera setups to automatically generate a clarity grade and/or surface polish grade for the gemstone."
The patent was filed on Jan. 12, 2023, under Application No. 18/096,553.
*For further information, including images, charts and...