- 2022 - 2027 Areal typology toward understanding the formation process of endangered languages in the North Pacific Rim
- 2024 - 2026 Heritage language and identity in the age of boundaries and mobility.
- 2022 - 2025 ナラティブをめぐる形態統語論
- 2021 - 2024 移民の継承語とエスニックアイデンティティに関する社会言語学的研究(共同研究員)
- 2020 - 2023 Information Structure and the Grammar of Knowledge in Turkic Languages: Interface of Phonology, Morphosyntax and Semantics
- 2020 - 2022 Historical and sociolinguistic study of the Manchu language
- 2018 - 2022 A functional typology of Altaic languages focusing on person marking and person markers
- 2017 - 2022 満洲語の歴史社会言語学的研究ー言語学と歴史学からの解明ー
- 2017 - 2022 Activities for Archiving, Preservation, Education ,Inheritance and Revitalization of the Endangerd Manchu Language , as well as clarifying the current situation of it
- 2018 - 2021 Environments and linguistic change in the Altaic languages
- 2016 - 2019 A study on correlation between morphological synthesis and sentence
- 2014 - 2017 Studies on Sibe language based on a modelling of the memory domain
- 2012 - 2017 Grammar and Vocabulary of the Sibe language
- 2015 - Complihensive study for the lexicon of Altaic languages
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