ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,057, issued on Jan. 27, was assigned to NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Tokyo) and CBC Co. LTD. (Tokyo).

"Blood component concentration measurement device" was invented by Hiromitsu Furukawa (Ibaraki, Japan), Anri Watanabe (Ibaraki, Japan), Shinichi Nakamura (Tokyo) and Hiroaki Aizawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is provided with a four-wavelength light emitter that emits four kinds of wavelengths of light toward a predetermined site on a living body; a light receiver that receives the four kinds of wavelengths of light transmitted through the predetermined site on the ...