Nobuyuki Kaji is a professor emeritus of Osaka University and a Japanese philosophy educator. Born in 1936 at Osaka, he studied mainly Japanese and Chinese philosophy. Doctor of Philosophy at Tohoku University, Sendai City, Japan in 1982. He is an author of numerous number of books. Those publications are among his works; A Study of Chinese Logic History, 1983, Confucius, 1984, A Study of the Confucius Analects, 1984, A Study of the History of Japanese Philosophy, 1985.