ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,155, issued on April 22, was assigned to FUJIFILM Corp. (Tokyo).

"Optical scanning device, driving method of optical scanning device, and image drawing system" was invented by Hirotoshi Yoshizawa (Kanagawa, Japan), Shinichiro Sonoda (Kanagawa, Japan), Yoshikazu Hishinuma (Kanagawa, Japan) and Nobuya Tanaka (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driving controller derives a first shift time that is a shift time used for correcting a generation timing of a first reference signal representing that an angle of a mirror portion around a first axis is equal to a first reference angle, and is a shift time of a point in time when t...