- 2023 - 2028 Database construction on Japanese folktales and its application to dialectology
- 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
- 2019 - 2023 A preliminary study on marked nominative dialects of Japanese and Ryukyuan
- 2019 - 2022 形式語に関する実証的・記述的研究の新段階
- 2016 - 2021 Development of a corpus of Japanese dialects and research on dialects using the corpus
- 2017 - 2020 The Construction of a Participatory Dialect Database as Teaching Materials on Regional Diversity
- 2018 - 2020 なにわ大阪「笑い」文化の再検討(関西大学創立130周年記念特別研究費)
- 2014 - 2019 Construction of the Methodology and Building a Dictionary of Japanese Dialect Grammar for the Contrastive Study of Language Variation and Change
- 2014 - 2017 A Comprehensive Research on So-Called Formal Words and Morphemes, With Special Focus on Compound Particles that Allow for Rich Expressivity in Japanese
- 2013 - 2016 Constructing a speech corpus of Japanese dialects and a research on the dialects using corpora
- 2013 - 2016 A Study on Regional Differences of Discourse Development in Japanese Dialect Role-Play Conversations
- 2011 - 2016 Clarifying the detail process of dialectal distribution change
- 2015 - 2016 近代大阪文化の多角的研究-文学・言語・映画・国際事情-(関西大学創立130周年記念特別研究費)
- 2009 - 2014 Construction of "Comprehensive dictionary of Japanese dialects grammar" and its online edition
- 2009 - 2011 Study on Some Grammatical Forms in the Japanese Dialects Derived from their Semantic Contiguity Expressions
- 2007 - 2009 Contrastive Research of for Grammar Dictionary in Japanese Dialects
- 2006 - 2008 A study of the structure and the preference of community that cause change of dialects
- 2005 - 2008 The Variety of Politeness in Japanese Language
- 2006 - 2007 Geographical and Historical Study of Diffusion of New Dialects in the Japan Sea Coast
- 2004 - 2006 Comparative Research of Conditional Expressions in Japanese Dialects
- 2003 - 2005 Study on Geographical and Social Dynamics of the Japan Sea New Dialects
- 2003 - 2005 『全国方言文法辞典』のための諸方言の文法に関する記述的研究
- 2002 - 2005 Study for Formation and Changing Processes of Japanese Dialects Grammar
- 2001 - 2004 方言文法全国地図作成検討委員会(国立国語研究所)
- 2001 - 2002 文法化の過程と地域差に関する対照方言学的研究
- 2000 - 2002 現代日本語の文法的バリエーションに関する基礎的研究
- 1998 - 2001 Study for Japanese Dialects Grammar Variation
- 1998 - 1999 ダイクシス表現に関する対照方言学的研究
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