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Japanese Nuclear History

 Documents on the history of Japanese nuclear development. (Image: Units 3 and 4 at Japan’s Oi (Ohi) Nuclear Power Plant. 26 January 2012)

Popular Documents

January 1975

On Japan's Ratification of the Nuclear Non-Proliferation Treaty (NPT)

An internal record evaluating the arguments in favor of Japan's ratification of the NPT.

August 5, 1957

Record of Conversation of N.S. Khrushchev with Vice President of the “Japan-USSR” Friendship Society Kazami Akira

Kazami and Khrushchev discuss the development of Soviet-Japanese relations and Japanese independence. Kazami inquires about the possible participation of Japanese specialist in the industrial development of Siberia. He also asks about the potential transfer of the Kuril Islands to Japan. 

September 4, 1969

Record of Meeting between Minister Aichi and Premier Kosygin

Japanese Foreign Minister Aichi and Soviet Premier Kosygin discuss bilateral relations, disputed territories, the legacies of World War II, China, and the NPT.

December 16, 1966

United Nations Bureau, Japanese Foreign Ministry, 'Our Lobbying on the Nuclear Non-Proliferation Treaty (Draft)'

The Japanese Foreign Ministry plans to convey its views on the proposed nuclear non-prolfieration treaty to the United States, particularly its concerns about how it might affect the US-Japan security alliance and the balance between nuclear weapons states and non-nuclear weapons states.

August 30, 1974

United Nations Bureau, Japanese Foreign Ministry, 'Outline of Arguments For and Against Japan’s NPT Ratification

A table outlining the various arguments for and against Japan's ratification of the Nuclear Non-Proliferation Treaty.