Original/Developing-Type
- Form and Meaning in Japanese Complex Sentence Constructions
- Interdisciplinary Study on Learning Japanese and the Reality of Language Life of Foreign Permanent Residents in Japan
- Analyzing Large-Scale Dialectal Survey Data from Multiple Perspectives
- Contact Dialectology and Sociolinguistic Typology
- Sharing of Conversation Corpora that Cover Diverse Styles and Settings
- Study on Documents and Meta-languages for Designing a Corpus of Modern Japanese
- Compilation of a Handbook of Usage of Japanese Basic Verbs for JFL Learners
- Historical Research on Japanese Grammar