US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on Sept. 9 for "Component concentration measuring device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,840, issued on Sept. 9, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Component concentration measuring device" was invented by Yujiro Tanaka (Tokyo), Masahito Nakamura (Tokyo), Daichi Matsunaga (Tokyo) and Michiko Seyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting unit irradiates a measurement site of a measurement subject with a light beam having a wavelength that is absorbed by a measurement target substance. A detection unit detects a photoacoustic signal generated in the measurement site irradiated with the light beam emitted from the light emitting unit. A resonator is arranged so as to clamp the me...