Experts Rintaro Inoue
Books and reports
Yuka Koshino and Rintaro Inoue, “Multidomain Operations with Japanese Characteristics,” Amos Fox and Franz-Stefan Gady, ed., Multidomain Operations: The Pursuit of Battlefield Dominance in the 21st Century, Howgate Publishing, January 2026.
“Bridging strategy and business: A Japanese perspective on AJUS defence industrial cooperation,” Tom Corben ed., Into gear: Defence industrial and technology cooperation between Australia, Japan and the United States, United States Studies Centre, December 9, 2025.
“The Trajectory of the U.S. and European Defense Industries: From Post-Cold War Decline to Demand Expansion,” From Decline to Surge: The Defense Industry in the Era of Excess Demand, Institute of Geoeconomics, January 2026.
Concepts and Realities of Australia’s Defence Strategy: Toward Deepening Japan–Australia Defence Cooperation, Institute of Geoeconomics, June 2025. (Japanese)
“Preparing for a protracted maritime war: The strategic case for Japan-Australia naval industry cooperation,” Michael J. Green and Peter J. Dean ed., Maritime security strategies for Japan and Australia: Report of the inaugural JADE Fellows, United States Studies Centre, June 2025.
“Australia: The Agony of the Middle Power Defense Industry,” Sadamasa Oue, Hirohito Ogi, Rintaro Inoue, Comparative Study of Defense Industries: Autonomy, Priority, and Sustainability, Institute of Geoeconomics, December 2023. (Japanese)
“Israel: Innovation Power and Indispensability in the International Marketplace,” Sadamasa Oue, Hirohito Ogi, Rintaro Inoue, Comparative Study of Defense Industries: Autonomy, Priority, and Sustainability, December 2023. (Japanese)
Journal articles
“Will Japan Have the Political Resolve to Use Counterstrike?” The Washington Quarterly, Volume 47 Issue 4 (2024). pp. 45-61.
“Postwar U.S. Defense Strategy in the Asia-Pacific: U.S. Military and the Making of ANZUS Treaty”, Kokusai Anzenhosho [Journal of International Security], Vol. 52, No. 1 (June 2024), pp. 70–88. (Japanese peer-reviewed paper, 2024 Best Newcomer Paper Award)
Commentaries
“China’s long-range DF-27 missiles are a game changer,” The Japan Times, March 8, 2026.
“Can Japan’s Defense Industry Function During Wartime?” IOG Commentary, Institute of Geoeconomics, December 25, 2025. (Japanese)
“The Golden Fleet Concept and the Second Trump Administration: Sea Control or Power Projection?” IOG Commentary, Institute of Geoeconomics, December 25, 2025. (Japanese)
“Another option for Australian maritime defence: Japan’s advanced anti-ship missile,” The Strategist, ASPI, December 19, 2025.
“How Should Counterstrike and Sustainment Capabilities Be Designed to Fundamentally Strengthen Japan’s Defense Posture?” IOG Commentary, Institute of Geoeconomics, September 26, 2025. (Japanese)
“Exporting Frigates to Australia (Part III: Implications for Defense Equipment Transfer Policy),” IOG Commentary, Institute of Geoeconomics, August 15, 2025.
“Exporting Frigates to Australia (Part II: Three Risks in Defense Equipment Transfers),” IOG Commentary, Institute of Geoeconomics, August 13, 2025.
“Exporting Frigates to Australia (Part I: Why Japan Won the Bid),” IOG Commentary, Institute of Geoeconomics, August 7, 2025.
Alyssa Hirai, Shawn Rostker, and Rintaro Inoue, “The New Face of Allied Deterrence: Japan’s Counterstrike Capabilities and the U.S.-Japan Combined Deterrence Strategy Against North Korea,” Next Generation of U.S.-Japan Nuclear Policy Experts, The Maureen and Mike Mansfield Foundation, May 2025.
“Japan and Australia can fill each other’s defence gaps,” The Strategist, ASPI, March 19, 2025.
“Why the security of Asia and Europe are inseparable,” The Japan Times, October 29, 2024.
“Why building an effective Japan-U.S. kill chain will enhance defense”, The Japan Times, September 5, 2023.
Authored multiple articles in Japanese on the U.S. Navy and the Royal Australian Navy for Sekai no Kansen [Ships of the World].
Lectures and Events
“Japan’s Multidomain Operations: Projects and Perspectives,” Institut d’Etude de Stratégie et de Défense (IESD), March 24, 2026.
“Opportunities and Constraints in Expanding NATO-IP4 Cooperation,” PONI 2025 Virtual Winter Conference, CSIS, February 11, 2025.
JF-USSC Japan-Australia Dialogue and Exchange for Next Generation 2024.
Next Generation of U.S.-Japan Nuclear Policy Experts 2024.
- “Opportunities and Constraints in Expanding NATO-IP4 Cooperation,” PONI 2025 Virtual Winter Conference, CSIS, February 11, 2025
- JF-USSC Japan-Australia Dialogue and Exchange for Next Generation 2024
- Next Generation of U.S.-Japan Nuclear Policy Experts 2024
- “Unveiling Japan’s Political Resolve to Strike Mainland China: Redlines and Delaying Factors,” Japan Association for International Security, 17th Seminar, July 13, 2024. (Japanese)
- “Japan’s Counterstrike Capabilities and its Limitations,” Roundtable discussion on Australia-Japan Defence Relations, UWA Defence & Security Institute, August 7, 2024.
Long before Prime Minister Sanae Takaichi dre…
Research Fellow
Rintaro Inoue
As Japan’s security environment deteriorates,…
Senior Research Fellow
Hirohito Ogi
The greatest implication for Japan’s defense …
Research Fellow
Rintaro Inoue
Exporting large, complex defense equipment is…
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Rintaro Inoue
Will the only way to distinguish between Aust…
Research Fellow
Rintaro Inoue
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Yoshiyuki KatoVisiting Senior Research FellowYoshiyuki Kato was born in Aichi Prefecture in 1979, he received his Ph.D. from Princeton Theological Seminary. After serving as Associate Professor a…View Profile - Akihiko SasakiProgram Coordination ManagerAkihiko Sasaki is Program Coordination Manager at the Institute of Geoeconomics (IOG). He earned his Bachelor’s degree from the Faculty of Science and…View Profile
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Eyck FreymannVisiting Research FellowEyck Freymann is a Hoover Fellow at Stanford University, where he directs the Allied Coordination Working Group. He is also a Visiting Fellow at the I…View Profile - Yoshiyuki FukudaVisiting Research FellowYoshiyuki Fukuda is a macroeconomist and financial strategist with over 20 years of experience spanning central banking, international organizations, …View Profile
- Kasumi YamazakiSecretary General ／Senior Executive Vice PresidentKasumi Yamazaki has served as the inaugural Secretary General and Senior Executive Vice President of the Institute of Geoeconomics (IOG) since January…View Profile
- Makoto OuchiProgram OfficerMakoto Ouchi is a Program Officer at the Institute of Geoeconomics (IOG). He actively engages in the planning and management of workshops and programs…View Profile
- Kikyo TaguchiResearch AssistantKikyo Taguchi assumed her current position in July 2025, after serving as a Researcher/Advisor in the Political Section at the Embassy of Japan in Ger…View Profile
- Gabriele MalettaResearch AssistantResearch Assistant at the Institute of Geoeconomics (IOG). Specialised in Japan-EU foreign relations and European Security and Defence, Gabriele holds…View Profile
- Masayoshi UnoResearch AssistantMasayoshi Uno is a Research Assistant at the Asia Pacific Initiative (API) & the Institute of Geoeconomics (IOG), the International House of Japan…View Profile
- Manish SharmaVisiting Research FellowManish Sharma is an ex-investment banker, with over two decades of experience spanning academia, consulting, think tank and corporate finance. His aca…View Profile
- Masahito KanekoResearch AssistantMasahito Kaneko is a Research Assistant of the China Group at the Institute of Geoeconomics (IOG). He specializes in the History of International Rela…View Profile
- Kuniharu KakiharaGroup Head, International Security Order / Visiting Senior Research FellowBorn in 1964, Kuniharu Kakihara graduated from the National Defense Academy and holds master’s degrees in Regional Studies from the University of Tsuk…View Profile
- Shin OyaVisiting Senior Research FellowMr. Oya assumed current position from November 2024. Prior to that, he worked at the Japan Bank for International Cooperation (JBIC), where he was inv…View Profile
- Kenichi DoiSenior Research FellowSenior Research Fellow of the China Group at the Institute of Geoeconomics (IOG). Doi specializes in China and the world (geoeconomic issues, such as …View Profile
- Yoshimi IgawaVisiting Research FellowIGAWA Yoshimi (Ph.D.) is a Professor at the Faculty of Economics and Business Administration, Business School, Kyoto University of Advanced Science. A…View Profile
- Eiki TagamiVisiting Senior Research FellowEiki Tagami is a visiting senior research fellow in Institute of Geoeconomics at International House of Japan from May 2024. With over 30 years of exp…View Profile
- Mariko TogashiVisiting Research FellowMariko Togashi has been a Visiting Research Fellow at the Institute of Geoeconomics (IOG) since January 2024. Prior to IOG, Mariko was a Research Fell…View Profile
- Kota UmedaResearch FellowKota Umeda is a research fellow at the Institute of Geoeconomics at the International House of Japan. From 2015 to 2025, he worked at the Japan Aero…View Profile
- Andrew CapistranoVisiting Research FellowAndrew Capistrano is a geopolitical risk consultant based in Tokyo, and Director of Research at PTB Global Advisors in Washington, DC, where he specia…View Profile
- Paul NadeauVisiting Research FellowPaul Nadeau is an adjunct assistant professor at Temple University's Japan campus, co-founder & editor of Tokyo Review, and an adjunct fellow…View Profile
- Naoko EtoVisiting Senior FellowNaoko Eto is a professor in the Department of Political Science at Gakushuin University. Her main research interests include East Asian affairs and Ja…View Profile
- Satoshi YamadaVisiting Senior Research FellowSatoshi Yamada has been a visiting senior research fellow at the Institute of Geoeconomics (IOG) since 2022. He has over 25 years’ experience in the J…View Profile
- Hirohito OgiSenior Research FellowHirohito Ogi is a senior research fellow at the Institute of Geoeconomics (IOG) studying military strategy and Japan’s defense policy. Before joining …View Profile
- Yusuke IshikawaResearch Fellow ／Digital Communications OfficerYusuke Ishikawa is Research Fellow and Digital Communications Officer at Asia Pacific Initiative (API) and Institute of Geoeconomics (IOG). His resear…View Profile
- Makoto ShionoGroup Head, Emerging Technologies ／Director of ManagementMakoto Shiono holds a B.A. in Political Science from the Faculty of Law at Keio University and a Master of Laws (LLM) from Washington University (St. …View Profile
- Kazuto SuzukiDirector & Group Head, Economic SecurityKazuto Suzuki is Professor of Science and Technology Policy at the Graduate School of Public Policy at the University of Tokyo, Japan. He graduated fr…View Profile
- Yuichi HosoyaGroup Head, Europe ＆ Americas ／Director of Research, Asia Pacific Initiative
Director, International House of JapanYuichi Hosoya is professor of international politics at Keio University, Tokyo. Professor Hosoya was a member of the Advisory Board at Japan’s Nationa…View Profile - Hotaka MachidaVisiting Senior Research FellowMACHIDA Hotaka is a visiting senior research fellow in Institute of Geoeconomics at International House of Japan. He joined the Institute in October, …View Profile
- Kousuke SaitoVisiting Senior Research FellowSAITOU Kousuke is a professor at the Faculty of Global Studies, Sophia University, Japan. He received his Ph.D. in International Political Economy fro…View Profile
- Yoshiyuki SagaraSenior Research FellowYoshiyuki Sagara is a senior research fellow at the Asia Pacific Initiative (API), where he focuses on economic security, sanctions, health security p…View Profile
- Ken JimboManaging Director (Representative Director), International House of Japan ／President, Asia Pacific InitiativeJIMBO Ken is Professor at the Faculty of Policy Management, Keio University. He served as a Special Advisor to the Minister of Defense, Japan Ministry…View Profile
- Hitoshi SuzukiSenior Research Fellow ／COO, LLC future mobiliTy researchHitoshi Suzuki (PhD) was Associate Professor at the Graduate School of International Studies and Regional Development, University of Niigata Prefectur…View Profile
- Rintaro InoueResearch FellowRintaro Inoue is a Research Fellow at the Institute of Geoeconomics, International House of Japan, and a PhD student at Keio University. His research …View Profile
