Japan International Research Center for Agricultural Sciences (JIRCAS) and the Global Rice Science Partnership (GRiSP) conducted an international seminar and workshop to review and evaluate the achievements of Japanese collaboration on rice research over the past three decades. Rice Research Collaboration: Past and Future, held on 4-5 March in Tsukuba, also focused on the current situation, identified new research areas for future collaboration, and strengthened the partnership between Japan and CGIAR scientists.