- 2021 - 2026 古代における年輪年代学的木材産地推定を可能にする標準年輪曲線ネットワークの整備
- 2020 - 2024 新たな長期年輪幅標準年輪曲線ネットワークの構築とそのオープンアクセス化
- 2017 - 2020 Dendroclimatology for the American ITCZ zone and building C-14 bomb series
- 2015 - 2019 Comparative Studies of Ancient American Civilizations
- 2014 - 2019 Comparative studies of Ancient American Civilizations
- 2014 - 2019 Chronology building and environmental reconstructions for the ancient American civilizaitions
- 2014 - 2018 Tree ring width, oxygen, carbon and nitrogen isotope analyses for ecosystem change
- 2013 - 2017 Development of dendroprovenancing for Japan, based on ring width, stable isotope, and DNA marker analyses
- 2012 - 2016 Pursuit of the Formation Processes of Ainu Ethnicity
- 2011 - 2015 Applications of dendrochronology in cultural heritage science
- 2011 - 2014 Estimation of the changes in radial growth and wood quality of the major tree species in Japan in response to climate change
- 2009 - 2014 Pan Pacific Environmental Changes and Civilizations
- 2009 - 2014 High-resolution environmental reconstruction for the Pacific civilizations using annually laminated lake sediments
- 2012 - 2012 A new reconstructing method of Tsunami attack during the last several thousand years by Sr ratio measurements in a varve of a brackish lake
- 2010 - 2012 Dendroprovenancing based on a newly developed network of tree-ring chronologies for the Cupressaceae species in Japan
- 2010 - 2012 High - resolution Environmental Reconstruction and Its Limit: Performance of Pollen Analysis Using Annually Laminated Se diment from Lake Fukami, Nagano Prefecture
- 2009 - 2012 Analysis of ecosystem function of taiga in eastern Siberia
- 2007 - 2009 Development of tree-ring chronologies for Hinoki cypress and Japanese cedar and high-precision climate reconstruction of the past climate
- 2004 - 2005 俳画と公文書に用いられた近世和紙の材質・抄紙技法の非破壊分析とその保存法の検討
- 2003 - 2005 Establishment of 1000-year long Kiso hinoki tree-ring chronology and the reconstruction of the past climate for Central Japan
- 1998 - 2000 Establishment of estimation method for devastation in forest using natural or artificial radionuclides.
- Paleoclimatology
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Tree-Ring Society
, JAPANESE ASSOCIATION OF HISTORICAL BOTANY
, JAPAN SOCIETY FOR SCIENTIFIC STUDIES ON CULTURAL PROPERTIES
, JAPAN ASSOCIATION FOR QUATERNARY RESEARCH