- Tokyo University of Foreign Studies "Usage-Based Linguistic Informatics" (in Japanese), Outstanding universities 2006, Z-KAI, 2005, 34-35.
- Remarques récapitulatives sur la discussion autour du sujet commun: «Accent dans les langues romanes» (in Japanese), Studia Romanica 38, 2005, Scietas Japonica Studiorum Romanicorum, 11-16.
- Center of Usage-Based Linguistic Informatics (UBLI) Linguistic Informatics – State of the Art and the Future, 2005, John Benjamins, 3-8.
- Phonological system of Modern Turkish -A critical review on phonemes-, (in Japanese) Journal of the Institute of Language Research, 10, 2005, 35-62.
- Monitoring assessment of some CALL materials -Spanish, Chinese, German, French, Portuguese-, Kentaro Yuuki and Yuji Kawaguchi, Study on web-based multilingual educational system and teaching method (in Japanese) Research Project, Grant-In-Aid for Scientific Research, Scientific Research 2002-2004, Ministry of Education, Culture, Sports, Science and Technology, Yuji Kawaguchi (Head Investigator), 2005, 19-70.
- French Grammar Profiles, Study on web-based multilingual educational system and teaching method (in Japanese) Research Project, Grant-In-Aid for Scientific - Research, Scientific Research 2002-2004, Ministry of Education, Culture, Sports, Science and Technology, Yuji Kawaguchi (Head Investigator), 2005, 74-88.
- Development of French Phoentics and Phonology Module, Kaori Sugiyama and Yuji Kawaguchi, Study on web-based multilingual educational system and teaching method (in Japanese) Research Project, Grant-In-Aid for Scientific Research, Scientific Research 2002-2004, Ministry of Education, Culture, Sports, Science and Technology, Yuji Kawaguchi (Head Investigator), 2005, 238-262.
- Segmentals of Modern Turkish, Study on web-based multilingual educational system and teaching method (in Japanese) Research Project, Grant-In-Aid for Scientific Research, Scientific Research 2002-2004, Ministry of Education, Culture, Sports, Science and Technology, Yuji Kawaguchi (Head Investigator), 2005, 263-289.
- The MacMillan Dictionary of women's biography (in Japanese), 3rd Edition, 2005, Kokushokankokai.
- IT and Language Education -State of the Art and Problems-, (in Japanese), JAFLE Bulletin, 6, 2004, 71-75.
- Dictionary of Everyday Expressions, (in Japanese), Sanseido, 2004.
- Review: Trends in French dialectology -Mélanges Taverdet, (in Japanese), Bulletin de la linguistique française, 38, 2004, 58-63.
- What do you learn? French Linguistics, (in Japanese), Obunsha, Keisetsujidai, 2004, p.212.
- TUFS Language Modules, (in Japanese), Working Papers in Linguistic Informatics 1, 2004, 15-20.
- Review article: Languages within Language An evolutive approach, I. Fónagy, 2001, (in Japanese), Flambeau, 29, 2003, 155-178.
- TUFS Language Modules, JAFLE Bulletin, 6, 2003, 71-75.
- Review: Les temps du passé français et leur enseignement, E. Labeau et P. Larrivée, 2002, (in Japanese), JAFLE Bulletin, 6, 2003, 119-124.
- What do you learn? French Linguistics, (in Japanese), Obunsha, Keisetsujidai, 2004, p.212.
- 21st Century COE Usage-Based Linguistic Informatics, (in Japanese), Togaidai News, Tokyo University of Foreign Studies, 2003, p.13.
- LONG (Daniel), NAKAI (Seiich) et MIYAJI (Horoaki), Ôyô shakai gengogaku o manabu hitono tameni [Initiation à sociolinguistique appliquée], Sekaishinsôsha, 2001, Revue belge de philologie et d’histoire 80-3, 2002, 1055-1057.
- English-Japanese Dictionary, Kenkyusha, 2002.