Where does the name Obayashi come from? When was the Obayashi Corporation established? What is the revenue of Obayashi Corporation? What is the revenue of Hitachi Vantara Corporation? What is the revenue of Cathay Pacific Airlines? What is the rarest Japanese last name? What is the largest construction company in Japan? What does Obayashi do? What does Obayashi Corporation do? What does kobayashi mean in English? What companies does Obayashi own? Is Obayashi listed? Is Obayashi considered an auteur?