ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,573, issued on Aug. 5, was assigned to HIROTSU BIO SCIENCE INC. (Chiyoda-ku, Japan).

"Taxis analysis method, cancer evaluation method, taxis analysis system and program" was invented by Yuki Imaizumi (Ehime, Japan) and Kenji Iwao (Ehime, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A taxis analysis method for performing taxis analysis of nematodes using a container in which a reference point is provided in the container or a culture medium in the container, the taxis analysis method including steps of: imaging a distribution mode of the nematodes in the container after the nematodes and a specimen of a subject are dropped into the container; ...