ALEXANDRIA, Va., May 26 -- United States Patent no. 12,635,884, issued on May 26, was assigned to Tamron Co. Ltd. (Saitama, Japan).

"Image forming apparatus" was invented by Naoki Yamashita (Saitama, Japan), Akira Onoda (Saitama, Japan) and Toshiya Segawa (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an image forming apparatus (1), an excitation light source (10) irradiates an object with excitation light for a first fluorescence substance and excitation light for a second fluorescence substance, a notch filter (20) transmits fluorescence in a wavelength range specific to each fluorescence substance among return light from the object, an imaging unit (30) separately captures images of the...