- 2023 - 2028 北からの視点・考古科学分析・広域比較に基づく日本古墳築造の総合的研究
- 2022 - 2025 Reconstruction of the formation process of Ainu culture based on the archaeological study for the exchange and environmental histories of the Okhotsk and Satsumon cultures
- 2020 - 2024 北方交易の展開にともなう擦文文化集団の拡散についての考古学的研究
- 2019 - 2023 古代末期防御的集落の実態解明と、中世移行期日本北方世界を含む北東アジア史の再構築
- 2018 - 2021 Research on the domination of the frontier(Boundary area/periphery) by ancient Japan and the uniqueness of those areas.
- 2013 - 2017 Basic Research on the Migration of Ancient Cultural Group in the Northern Part of the Japanese Islands.
- 2011 - 2015 A Study for the State of Ancient North World Across the Tsugaru Channel: Seen from the Northern Area of the Rule by the Nation under the Ritsuryo Codes
- 2011 - 2015 Archeological Basic Research of the Prehistoric Culture in Kuril Islands
- 2009 - 2012 Basic Research into Ancient Trade Routes in the Northern Region of the Japanese Archipelago
- 2006 - 2008 Basic Research on the Establishment of the Ancient Distribution and Economic Zone in the Northern Part of the Japanese Islands
- 2004 - 2007 Systematic structure of protective settlements and Chashi(Fortes Ainu) found in the northern areas, and ethnic encounters
- 2003 - 2005 擦文文化にみる本州物流経済の考古学的基礎研究
- 2000 - 2003 Establishment process of Chashi and Fortified Settlement Sites in Northeast Asia and their environmental change
- 2000 - 2002 Fundamental Study of the field station establishment of the Fugoppe Cave, Petroglyph and cultural exchange
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