1981, Harvard-Yenching award Harvard-Yenching Institute, 1983, Fulbright award, 1992, Japan Society for the Promotion of Science-NUS award, 1990, others
1981, Harvard-Yenching award Harvard-Yenching Institute, 1983, Fulbright award, 1992, Japan Society for the Promotion of Science-NUS award, 1990, others