ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,114, issued on June 16, was assigned to REFINE HOLDINGS Co. LTD. (Gifu, Japan).
"Liquid-liquid extraction device" was invented by Junya Ohno (Tokyo), Hideki Ishizawa (Tokyo), Tomokiyo Takeyama (Tokyo), Akiyoshi Oda (Tokyo), Hiroaki Takahashi (Tokyo), Kouji Nakashima (Tokyo), Tadashi Noumi (Tokyo), Tomoya Fujita (Tokyo), Mitsuhiro Iwafune (Tokyo) and Takao Suzuki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-tower liquid-liquid extraction apparatus having two or more extraction towers arranged in parallel. Each tower has a heavy-liquid supplying port at the top and a heavy-liquid discharging port at the bottom. Additionally, each towe...