GGyo Obata/HOK =Gyo Obata/HOK =de VariousMateriasHellmuth, Obata & KassabaumArchitectureModern ArchitectureHellmuth, Obata & Kassabaum IncorporatedHistoryArchitectural firmsArchitectsDesigns and plansEdiciones (4)A+u Gyo Obata Hok (Kenchiku to Toshi = A+u) (1991)