ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,467, issued on Feb. 24, was assigned to Nikkiso Co. Ltd. (Tokyo).
"Blood purification apparatus" was invented by Hikaru Chiaki (Shizuoka, Japan), Yuya Menjoh (Shizuoka, Japan), Kazuya Tsuji (Shizuoka, Japan) and Kunihiko Akita (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blood circuit and a dialysate circuit bidirectionally circulate a fluid through a blood purification membrane of a blood purifier, and include a first flow route that causes a dialysate to flow from the dialysate circuit into the blood circuit through a connection flow route connecting the dialysate circuit to the blood circuit while bypassing the blood purifier...