- 1983 - 1988 北九州市考古博物館 館長
- 1983 - 1988 Kita Kyushu Municipal Archaeology Museum,
- 1988 - - 福岡大学 教授
- 1988 - - Fukuoka University, Professor
- 1971 - 1974 Beppu University
- 1971 - 1974 Beppu University, Assistant Professor
- 1960 - 1971 Kyushu University
- 1960 - 1971 Kyushu University, Assistant
- Director
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