ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,112, issued on Aug. 25, was assigned to DOWA ECO-SYSTEM Co. LTD. (Tokyo).
"Method for recovering valuable substance" was invented by Chihiro Nishikawa (Tokyo), Yoshihiro Honma (Tokyo), Ryoei Watanabe (Tokyo) and Masataka Yamashita (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for recovering a valuable substance is provided. The method includes a thermal treatment step of thermally treating a target containing a valuable substance using a continuous furnace configured to thermally treat the target while moving a target storing unit, in which the target is stored, such that the target storing unit is not contacted by a flame that is f...