Ultraman 's licensing rights outside of Japan have been the subject of a prolonged legal dispute between Tsuburaya Productions and Chaiyo Productions ( also called Tsuburaya Chaiyo Co Ltd ) based in Thailand .
Ultraman 's licensing rights outside of Japan have been the subject of a long legal dispute between Tsuburaya Productions and Chaiyo Productions ( also called Tsuburaya Chaiyo Co Ltd ) based in Thailand .