Collective alias used by Toei producers for anime and tokusatsu series. The name is sometimes credited as Saburo Hatte, but according to Toru Hirayama, the intended reading was Saburo Yatsude.
Known individual lyrics credits:
* Toru Hirayama (平山 亨): Kamen Rider series songs (chiefly ending themes), "Kakero! Spiderman"
* Susumu Yoshikawa (吉川 進): "Chikai no Ballad"
* Shinichiro Shirakura (白倉 伸一郎): "Daijuujin no Uta", "Dragon Caesar no Uta", "Oretachi Muteki Sa!! Dairanger", "Ryuuseiou ~Dairenou no Theme~"
* Yoshio Urasawa (浦沢 義雄): "Akai Yuuhi no Barabaraman"