Complex sentence: The hotel had bounced through several ownership groups from 1987 until 2005, most prominently was Akio Ogawa and Sity International Inc. who purchased the Hotel at foreclosure in 1989.
Split into simpler sentences: The hotel had bounced through several ownership groups from 1987 until 2005. Most prominent among these was Akio Ogawa and Sity International Inc. who purchased the Hotel at foreclosure in 1989.