ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,806, issued on Aug. 11, was assigned to Canon K.K. (Tokyo).
"Optical scanning device and image forming apparatus" was invented by Hiroyuki Fukuhara (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical scanning device includes a light source, a deflecting unit, an optical member group, a casing and a light transmissive member. The casing accommodates in the deflecting unit and the optical member group and includes an opening through which a laser light emitted from the light source passes. The light transmissive member covers the opening. The light transmissive member includes a base surface and a plurality of projected portions...