ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,470, issued on Nov. 18, was assigned to TERUMO K.K. (Tokyo).

"Oxygenator and method for manufacturing same" was invented by Takeshi Sato (Kanagawa, Japan) and Renjo Takama (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oxygenator having a plurality of porous hollow fiber membranes for gas exchange to treat blood is manufactured by dissolving a silicone compound in an organic solvent having a surface tension of less than 70 dyn/cm to prepare a coating solution, and bringing an inner surface of the hollow fiber membranes into contact with the coating solution under a negative pressure of 50 hPa or more and 150 hPa or less to form a...