- 2024 - 2028 Revitalization and Documentation of Endangered Languages, centering on Okinoerabu-Ryukyuan
- 2023 - 2026 Approaches to building a continuous learning environment for regional languages on Tarama Island, Ryukyu
- 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 - 2025 南琉球宮古諸方言のアクセントに関する調査研究
- 2020 - 2024 Community Based Approach for Language Revitalization: Case Studies on Okinoerabu and Other Ryukyuan Languages
- 2019 - 2021 An attempt to create learning content in the Ryukyu Tarama dialect based on needs assessment.
- 2015 - 2019 The Geolinguistics Study to Elucidate the Developmental Process of Ryukyu Dialect in the Miyako Island Group
- 2014 - 2019 Construction of the Methodology and Building a Dictionary of Japanese Dialect Grammar for the Contrastive Study of Language Variation and Change
- 2017 - 2018 琉球諸語統一的表記法フォント開発と電子的な利用の普及
- 2015 - 2017 A Descriptive Study of Minna-Ryukyuan, on Verbs and Adjectives
- 2012 - 2016 A basic descriptive study of the grammars of endangered Ryukyuan and Hachijo languages
- 2012 - 2015 A Study of the Process of Creating a Digital Archive of Ryukyu Linguistic Material and a Guide to its Use
- 2012 - 2015 The Study of Beshi-related Derivates in Ryukyuan Dialects
- 2011 - 2013 A Descriptive Study of Minna-Ryukyuan, an Endangered Dialect of Southern-Ryukyuan Languages
- 2010 - 2012 The Study of the Linguistic Geography of the Miyako Dialects of Ryukyuan
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