Takafumi, Ohtomo. "Understanding U.S. Overseas Military Presence after World War II.". Journal of International and Advanced Japanese Studies (University of Tsukuba). 2012. 4. 17-29
Takafumi, Ohtomo. "Predominance of U.S. Global Military Presence: Personnel, SOFAs, and the Command Structure.". Area Studies Tsukuba (University of Tsukuba). 2010. 31. 93-112
Alliance Dilemma after the Cold War: Comparing the U.S.-Japan Alliance and the U.S.-Korea Alliance
(Annual Meeting of the Korean Political Science Association 2021)
「冷戦後の米国グランド・ストラテジー」
(国際安全保障学会 2020年度年次大会 2020)
"Unipolarity and International Politics."
(駒場国際政治ワークショップ(ペーパー) 2015)
"Association Politics in Times of Political Change in Japan: Evaluating Successive Administrations by Major Association Leaders."
(Paper presented at the annual meeting of the Association for Asian Studies, Chicago, IL, USA, March 26-28 2015)
Roundtable Discussion of the 2014 Lower House Election
(Japan Political Studies Group 2015)