- 2014 - 2019 Study of Eastern Asia Society Culture
- 2013 - 2017 A comprehensive study of a regional society and a local administration system between Han and Wei dynasties by using newly excavated wooden and bamboo tablets
- 2012 - 2015 A Creative Study for New Paleography in East Asia: Applying Excavated Documents from West China Resident in East and North Europe
- 2010 - 2015 The re-examination of the basic problem of the history of Wei, Jin, Northern and Southern Dynasties by means of the stone documents analyses and the historical materials criticism
- 2010 - 2012 Clarification of desertification process of Xiaohe Heritage, the Uighur Autonomous Region, China, through inter-disciplinary studies
- 2008 - 2011 A multiple study of the basic society in ancient China through databases of excavated relics
- 2007 - 2010 Reconstruction of paleo-irrigation canals and cultivated fields based on high-resolution satellite images, and classification of their patterns
- 2006 - 2008 Restructuring of the historical Interpretation of WeiJinNanBeiZhao by the discovery historical materials
- 2004 - 2006 The Study of Comparative Historical Materials and Datebase about Wu-Jian excaveted from ChangSha-ZouMaLou
- 2003 - 2006 Classification of ruins of the SilkRaods periods in and around Tarim basin, China, focusing on the terrestrial conditions
- 1999 - 長沙呉簡の研究
- 1999 - Study on the Documents of Wu in Chang-sha
- 1997 - 1998 Study on Shanshan and the military agricultural colonies in Loulan, and study on relations between Shanshan Loulan and surrounding areas
- 1992 - 1993 A HISTORICAL STUDY ON WATER UTILIZATION IN CHINA
- 1980 - 楼蘭史の研究
- 1980 - Study on the history of Lou-lan
- 1978 - 魏晋政権と在地社会に関する研究
- 1978 - Study on the Government and "Local Society" in Wei Chin periods.
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