Rokko Island is an artificial island constructed in the bay off Kobe and after twenty years of construction was completed in 1992.
Proctor & Gamble, the giant multinational corporation started by an Englishman and an Irishman built their Japan headquarters there.
131 meters high, with 31 floors, it was completed in 1993.
I have seen it described as a rip-off of Norman Foster, and it was designed by the Takenaka Corporation.