My research focuses mainly on three areas:
"Methods of bibliographic information analysis and structure of literary text", Proceedings of International Computer Symposium 1984(ICS '84), vol. II, Tamkang Univ., pp.908-915, 1984.12.12.
"Structure de narration du fabliau - Essai d'un reclassement des pièces par Cluster-Analysis", Mathematical Linguistics, vol.14, No.7, pp.281-303, 1984.12.15.
"Topos-motif structure of old french fabliau - Numerical analysis by multidimensional scaling"(in Japanese), Bulletin of Shobi-Gakuen Junior College No.3, pp.39-70, 1989.3.20.
"Development of folktales' motif database"(in Japanese), Journal of Asian and African Studies Nos.46-47, pp.415-435, 1994.3.31.
Trial Development of Folktales' Motif Database and Numerical Analysis of the Structure of Narrative(in Japanese), 3 + 64pp., Research Report, Grant-in-Aid for Scientific Research(Ministry of Education), 1995.3.
"Description of Structure of the Folktales I: From Bioinformatics to the theory of Texts "(in Japanese), in Jun'ichi Oda(ed.), Genesis of Narrative, pp.67-92, Institute for the Study of Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies, 1997.3.25.
"Description of Structure of the Folktales II: Using a Multiple Alignment Program of Bioinformatics", Senri Ethnological Studies, 1999 [in printing]
An Index to the Pramanavarttika-svavrtti, iii + 557pp., Institute for the Study of Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies, 1994.3.31.
KWIC Index to the Sanskrit Text of Dharmakirti, ii + 1211pp., Institute for the Study of Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies, 1996.3.31.
Dictionary of Arab Tribes, vi + 594pp., Institute for the Study of Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies, 1999.2.1.
"Bestiaire of Apollinaire-Poulenc: for a structural analysis of the Song"(in Japanese), Bulletin de Linguistique et de Littérature Françaises de l'Université de Tsukuba No.9, pp.159-193, 1994.12.20.