ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,936, issued on Dec. 16, was assigned to WOTA CORP. (Tokyo).
"Membrane unit and hand washing device" was invented by Satoshi Tokunaga (Tokyo), Ryo Yamada (Tokyo) and Wataru Watanabe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A membrane unit includes: a cross-flow membrane filter; a cylindrical casing housing the membrane filter; a cap provided with an inflow port that allows water to flow into the casing, a first discharge port that discharges, to outside of the casing, permeated water obtained as a result of water that flows into the casing from the inflow port permeating the membrane filter, and a second discharge port that discharges, t...