Tsuburaya Productions
In 1993, Tsuburaya Productions and Toei Company co-produced "Ultraman vs. Kamen Rider," a crossover with the original Ultraman and Toei's "Kamen Rider". This direct-to-video feature is co-copyrighted by both Toei (and its subordinates, Toei Video and Ishinomori Productions) and Tsuburaya Productions.