US Patent Issued to FUJIFILM on April 22 for "Endoscope system for observing chemical fluorescence and method of operating the same" (Japanese Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,756, issued on April 22, was assigned to FUJIFILM Corp. (Tokyo).

"Endoscope system for observing chemical fluorescence and method of operating the same" was invented by Masayuki Kuramoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light source unit emits excitation light, which causes a drug to be excited to emit chemical fluorescence, and reference light which has a wavelength range from a blue-light wavelength range to a red-light wavelength range. A color information acquisition section acquires a plurality of pieces of color information from fluorescence and reference image signals that are obtained from the image pickup of ...