ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,136, issued on Jan. 20, was assigned to Creative Coatings Co. Ltd. (Tokyo).
"Method and apparatus for forming films on particles of powder" was invented by Eiji Sato (Tokyo) and Hitoshi Sakamoto (Nagaoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for forming films on particles of powder includes diffusing the powder by leading the powder into a jet nozzle and ejecting a jet flow of the powder; leading the diffused particles of powder, a raw material gas, and a reaction gas activated by atmospheric pressure plasma, into a reaction container, and forming a swirl flow in the container; and forming the films on the diffused particles...