US Patent Issued to The University of Hong Kong on Dec. 16 for "Method and apparatus for microplastic identification with polarized digital holography" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,314, issued on Dec. 16, was assigned to The University of Hong Kong (Hong Kong, Hong Kong).

"Method and apparatus for microplastic identification with polarized digital holography" was invented by Yanmin Zhu (Hong Kong, Hong Kong), Yuxing Li (Hong Kong, Hong Kong) and Yin Mun Edmund Lam (Hong Kong, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for aquatic microplastic identification is provided. The method includes steps as follows: emitting a laser beam from a laser source, such that the laser beam passes through a liquid sample with MP samples in a sample channel and then a polarizer and is received by polarization camera; capt...