Hajime Tsuburaya (円谷 一 Tsuburaya Hajime) was a director in Ultra Series. He was the first son of Eiji Tsuburaya and father of Hiroshi Tsuburaya. He took over Tsuburaya Productions after Eiji passed away in 1970. His main stage name is "Tokyo 1" which he uses to credit himself when writing lyrics for the Ultra Series.
Hajime Tsuburaya died in February 9, 1973, after suffering a cerebral hemorrhage just after waking up. He suddenly collapsed, he was delivered to a hospital but died soon afterward. He was 41 years old at that time. It had been only three years since his father's death.