is a Japanese archaeologist. Since 1978 he has been on the faculty of Meiji University, in the Archaeology Department. He is considered an expert in the Yayoi period and the Bronze-Iron Age history and culture of the Korean peninsula,[1] and Jōmon culture and pottery.[2] [3] He has published several books and papers, including books about ruins of the Yayoi era (2008) and on agrarian society in ancient Japanese history (2010).