The trademark OTO is registered in United States. It's registry includes text/words and image. This trademark protects the use rights on electrical and scientific apparatus.
The record is owned by Hibino, Kikuhiko.
Class 9: (Electrical and scientific apparatus) Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), lifesaving and teaching apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
Class 28: (Toys and sporting goods) Games and playthings; gymnastic and sporting articles not included in other classes; decorations for Christmas trees.