- 2023 - 2028 Database construction on Japanese folktales and its application to dialectology
- 2021 - 2025 『瀬戸内海言語図巻』の追跡調査による音声言語地図の作成と言語変容の研究
- 2020 - 2025 『全国方言文法辞典』データベースの拡充による日本語時空間変異対照研究の多角的展開
- 2020 - 2024 西日本諸方言の敬語運用に関する対照方言学的研究
- 2017 - 2022 Research on the Making of Spoken Language Map and Language Change Based on the Follow-up Survey of "Linguistics Atlas of the Seto Inland Sea"
- 2019 - 2020 Linguistic Geographical Study on Honorifics in Western Japanese Dialects
- 2014 - 2019 Construction of the Methodology and Building a Dictionary of Japanese Dialect Grammar for the Contrastive Study of Language Variation and Change
- 2013 - 2016 A Study on Regional Differences of Discourse Development in Japanese Dialect Role-Play Conversations
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