- 2018 - 2023 A Detailed Study of the Japanese Old Manuscripts of Chinese Books in Order to Promote International Dissemination of the Information.
- 2020 - 2021 China Study in Taisho Japan and the Changing World after the WWI: A Research Project Based on the Naito Konan Collection
- 2017 - 2020 A preliminary study for establishing a new method of phonetic classification in Chinese colloquial vocabularies.
- 2015 - 2019 An Innovative study on East Asian historical documents, excavated by explorers across Europe in the Silk Road, through comprehensive re-examination
- 2013 - 2018 A Study on the Ancient Japanese Manuscripts of Chinese Classical Books
- 2012 - 2015 A Creative Study for New Paleography in East Asia: Applying Excavated Documents from West China Resident in East and North Europe
- 2009 - 2012 Research in the Chines texts which were discovered in Dunhuang, Turfan, etc. and now kept in Russia
- 2007 - 2010 Diachronic Changes and Panchronic Universal Properties of Constructions and Grammatical Categories in Chinese-a Reconstruction of Historical Chinese Grammar
- 2006 - 2007 周辺書誌学からみる敦煌文書成書年代比定に関する研究
- 2006 - 2007 Various Aspects of the Mandarin in the 19th Century- Approaching with the Peripheral Materials (Europe, Korea Ryuukyuu, Japan)
- 2005 - 2007 A comparative paleographical study of ancient Chinese manuscripts excavated from Dunhuang and Turfan, owned by U.K. and France
- 2004 - 2007 Diachronic Changes and Panchronic Universal Properties of Constructions and Grammatical Categories in Chinese-a Reconstruction of Historical Chinese Grammar
- 2002 - 2004 A Historical and Philological Study for Dunhuang and Turf an Manuscripts in China
- 2001 - 「禮記鄭玄注卷第三殘卷(P.2500)に関するノート--影印資料から見た改修の可能性--」 単著『敦煌文献とその出土地域に関する総合的研究』(平成13年度新潟大学プロジェクト推進経費報告書)H14.3
- 2000 - 「「舜子変」諸校本交合および本文校訂」 単著 『敦煌文献の総合的・学際的研究』 (平成12年度新潟大学プロジェクト推進経費報告書)H13.3
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International Association of Chinese Linguistics
, The Sinological Society of Japan
, The Chinese Language Society of Japan