American literature and comparative civilizations. Bd. dirs. of ISCSC, JSCSC, and Japan Society of Nathaniel Hawthorne. Editor-in-Chief of both Forum of the Japan Society of Nathaniel Hawthorne, and Journal for the Comparative Study of Civilizations (Reitaku University). Co-author and co-editor of both The Future of Man and Civilization, 1989, and A Civilization Turning Point and Eastern Asia, 1992. Eng. tr. An Outline of Moralogy: A New Approach to Moral Science, 1987. An Introductiion to Toynbee Study (in progress).