After working for Kiyonori Kikutake Architect and Associates from 1965 to 1969 (alongside Itsuko Hasegawa), in 1971 he started his own studio in Tokyo, named Urbot ("Urban Robot").
Setelah Bekerja di firma Kiyonori Kikutake Architect and Associates sejak tahun 1965 hingga 1969 (bersama Itsuko Hasegawa), pada tahun 1971 Ito mendirikan studio sendiri di Tokyo, yang dinamakan Urbot ("Urban Robot").