Tomiyama is best known for his roles in Tiger Mask (Naoto Date/Tiger Mask), Space Battleship Yamato (Susumu Kodai), UFO Robo Grendizer (Duke Fleed/Daisuke Umon), the Time Bokan series (Narrator), GeGeGe no Kitarō 3rd Series (Nezumi-Otoko), Chibi Maruko-chan (Tomozō Sakura, Shintarō Honami), and Legend of the Galactic Heroes (Yang Wen-li).

Tomiyama was born on October 13, 1938, in Anshan, Fengtian, Manchukuo (in modern-day China).

His first few roles were secondary characters in shows such as Gigantor (1963), Prince Planet (1965), Astro Boy (1965), Oraa Guzura Dado (1967), Speed Racer (1967), Ōgon Bat (1967), Princess Knight (1967), Animal 1 (1968), and Dokachin the Primitive Boy (1968).

[5] At 9:07 am on September 25, 1995, Tomiyama suddenly died of pancreatic cancer in Shinjuku, Tokyo at the age of 56.

[7] After Tomiyama's death, numerous voice actors took over his ongoing roles.