1. Introduction: resolving the disputes on the basis of peace, justice and international cooperation -- 2. The politics of the East China Sea gas dispute: ongoing discussion between China and Japan / Reinhard Drifte -- 3. The legal aspects of Japan's territorial and maritime disputes with neighboring states -- 4. Options for dispute settlement / Michael Hahn -- 5. Finding solutions to the disputes between China and Japan -- 6. Finding a solution to the Takeshima/Dok Island dispute between Japan and South Korea -- 7. Solving the "Northern Territories" problem and concluding a peace treaty between Japan and Russia -- 8. Security and cooperation in Northeast Asia