1951, graduate, Esoteric Buddhist Studies Department, Koyasan University; 1959, doctorate, Tohoku University; 1978, doctorate in Literature, Kyushu University. 1942, Ordination, Nan-in Temple; 1965, Assistant Professor, Koyasan University; 1968, Jushoku, Hodaraku-in Temple, Koyasan; 1970, Professor, Koyasan University; 1983, President, Koyasan University; 1984, Director, Mikkyo Bunka Kenkyusho; 1991, Kyokai, Shukyo; 1994, Gakkai, Sekigaku; 1999, Monshu, Hoju-in Temple, Koyasan; 1995, Representative to Kishuku Shukai; 2006, Headmaster, Koyasan Senshu Gakuin; 2008, Head, Koyasan Shingon-shu, 412th Abbot, Kongobu-ji Temple.