- 2021 - 2026 Reconstruction of the study of modern Japanese history by editing and publishing "Kato Takaaki Papers"
- 2021 - 2024 近代日本の捕虜処遇と大正・昭和初期におけるその変容に関する政治史的考察
- 2021 - 2024 国際比較に基づく日本の総力戦体制の全体像の解明(1918-1945)
- 2021 - 2024 1970年代の日米欧三極国際秩序の模索-日米関係史と日欧関係史の総合化の試み
- 2020 - 2023 第一次世界大戦における「模範国ドイツ」崩壊の日本に及ぼした影響の政治外交史的研究
- 2017 - 2020 Reexamination of Modern Japanese History through the Analysis of Historical Materials in Japanese and Foreign Archives Relating to Yamagata Aritomo and His Bureaucratic Clique
- 2012 - 2015 Interdisciplinary analysis of Japan's experience of the First World War: using new primary resources
- 2012 - 2015 Review on Japanese Characteristic of International Relations Theory
- 2010 - 2012 戦後日本のシビリアンコントロール体制の模索-旧軍人を通して見た戦前・戦後-
- 2009 - 2011 Research on Japan's Cooperative Diplomacy between the Great Wars : based on UCHIDA Yasuya Papers
- 2008 - 2009 The Chinese nationalist government's analysis of Japanese politics and Sino-Japanese War-1928-1937-
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