ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,028, issued on April 15, was assigned to KIKUSUI SEISAKUSHO LTD. (Kyoto, Japan).

"Powdery-material mixing and feeding system" was invented by Shinsuke Fushimi (Kyoto, Japan), Hideyuki Nishimura (Kyoto, Japan) and Yuuya Kawai (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powdery-material mixing and feeding system is configured to feed a machine configured to execute a post process with mixed-powdery materials obtained by mixing a first powdery material and a second powdery material discharged from powdery-material feeding devices at a required ratio, wherein when a flow rate of the first powdery material discharged from the first powd...