ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,546, issued on Sept. 23, was assigned to BIONICS Co. LTD. (Osaka, Japan).
"Blood flow authentication ring" was invented by Kozo Sushita (Osaka, Japan) and Nobuharu Murashima (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a blood flow authentication ring that can achieve focus in a captured image regardless of finger size, can prevent reduction of contrast due to external light, or simplifies personal registration. A blood flow authentication ring in an embodiment of the present invention is a blood flow authentication ring having a ring-shaped cover member to be worn on a finger and configured to perform authentication wit...