US Patent Issued to NIHON KOHDEN on Sept. 9 for "Pulse oximeter, pulse oximetry system, processing device, and pulse oximetry method" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,850, issued on Sept. 9, was assigned to NIHON KOHDEN Corp. (Tokyo).

"Pulse oximeter, pulse oximetry system, processing device, and pulse oximetry method" was invented by Hideaki Hirabara (Tokorozawa, Japan) and Yoshiharu Harada (Tokorozawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pulse oximeter includes a light emitting device that emits a first light and a second light, a light detecting device that outputs a first signal and a second signal respectively corresponding to an intensity of the first light and an intensity of the second light after interacting with a tissue of a subject, a processing device that calculates a pulsation r...