ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,357, issued on July 29, was assigned to Kubota Corp. (Osaka, Japan).
"Water treatment method and water treatment apparatus" was invented by Soichiro Yatsugi (Hyogo, Japan), Sho Sugiyama (Hyogo, Japan), Shinya Nagae (Tokyo) and Yoshio Asakura (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water treatment method treats raw water (water to be treated) containing organic wastewater. The method includes (i) an aeration process performs an initial absorption treatment by aerating the water to be treated, (ii) a filtration process for filtering the water to be treated which has been treated by the initial absorption treatment in the aeratio...