ResearchResearch Activities

IOG conducts research across five key themes: China, Europe and the United States, economic security, international security order, and emerging technologies. These activities are summarized through essays written by IOG researchers, offering in-depth analysis and insights on these critical areas.
Security
Can Germany become a reliable pillar of European security?

We are approaching 18 months since the inauguration of U.S. President Donald Trump. From contentious tariff negotiations and remar

Research Assistant

Kikyo Taguchi

Security
Sustained Denial and Strategic Depth: Policy Recommendations for Japan’s Next Strategic Documents

As China continues to expand its military and uncertainty grows over U.S. alliance commitments, what kind of defense strategy shou

Group Head, International Security Order / Visiting Senior Research Fellow

Kuniharu Kakihara

Security
As shared values shift, what’s next for U.S.-Japan relations?

The U.S.-Japan alliance has never been only a military arrangement. During the Cold War, Japan and the United States saw themselve

Visiting Senior Research Fellow

Yoshiyuki Kato

Economic Security
Why Pax Silica Is About More Than AI Chips

IOG Economic Intelligence Report (Vol. 5 No. 13)

Visiting Research Fellow

Andrew Capistrano

Security
The Case for Underground Defense: Japan’s Military Lessons from the Iran War

As the Japanese government prepares to revise its three national security documents later this year, the debate over its defense s

Research Fellow

Rintaro Inoue

Politics and Economics
Strategy Amidst Weaponized Economics

What Were the Key Takeaways from Prime Minister Takaichi's Visit to India? / The Strategic Synergy Between PM Takaichi and PM Modi

Visiting Research Fellow

Manish Sharma

Politics and Economics
Japan and India: Historic Strategic Convergence

The most consequential development over the past month was Japanese Prime Minister Sanae Takaichi's first official visit to India,

Visiting Research Fellow

Manish Sharma

Diplomacy
Japan positioned to link U.S. and Europe in a fragmented world

In a promotional video for his book “Defending Taiwan,” Eyck Freymann argues that China is using Japan as a testing ground for new

Senior Research Fellow

Hitoshi Suzuki

Diplomacy
Taiwan, Chips, and the Next Economic Shock

[Podcast] #36 Taiwan, Chips, and the Next Economic Shock Paul Nadeau Visiting Research Fellow Eyck Freymann Visiting Researc

Visiting Research Fellow

Paul Nadeau

Economic Security
China’s Rare Earth Export Controls: “International Rules” Orientation and the Avant-Garde Use of Security Exceptions

This article was originally published (in Japanese) in the May 2026 issue of Overseas Investment and Finance (Kaigai Toyushi). htt

Senior Research Fellow

Kenichi Doi

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