- 2024 - 2027 Regional adaptation to the volcanic disaster and paleoenvironmental change in the early Jomon phases
- 2023 - 2027 Regional adaptation to the volcanic disaster and paleoenvironmental change in the early Jomon phases
- 2022 - 2026 東アジア及び東南アジアにおける木彫像の樹種と用材観に関する調査研究
- 2022 - 2025 忘れられた東アジアの古代塗料「金漆」の復元研究
- 2022 - 2025 Interdisciplinary study on the analysis of unearthed Cambodian lacquer
- 2021 - 2025 Analysis of the diversity contained in the management and use of plant resources of the Jomon period
- 2021 - 2025 Analysis of the technical knowledge of the Jomon people deduced from the material plants and weaving techniques of mats left as pottery impressions
- 2020 - 2025 Morphological study of plant and animal impressions on pottery
- 2020 - 2025 Exploring the Cultural Exchange History of Mother-of-Pearl Decoration in Asia: From the Viewpoint of Material and Cultural History
- 2020 - 2024 越後縄文人の食性変化と多雪化の関係を明らかにする研究
- 2018 - 2022 東アジアにおける木彫像の樹種と用材観に関する調査研究
- 2015 - 2020 An Integrated Study of Mother-of-Pearl Ornament in Asia from the Viewpoint of the History of External Exchange, Especially Focusing on the Age of Discovery
- 2015 - 2019 Establishing processes of management of plant resources during the early half of the Jomon period
- 2014 - 2017 A study for vegetable matelial for holding histrical buildings
- 2012 - 2017 The Research on Wood Taxa and Material Selection for East Asian Wooden Statues
- 2013 - 2016 森林資源保全のための樹木DNAバーコードの充実と精度の向上に関する研究
- 2011 - 2015 Study on basic factors for security of botanic materials on cultural histrical buildings
- 2011 - 2015 Systematic analyses for the Pan-Himalayan flora based on genetical and species diversities
- 2012 - 2014 Emergence of management of forest resources and introduction of plants during the early half of the Jomon period
- 2008 - 2012 Studies on the diversity and taxonomy of Ephedra plants.
- 2009 - 2011 Development of a non-destructive method for identifying wood used for wooden statues by near infrared spectroscopy
- 2009 - 2011 An Interdisciplinary Inquiry into the Emergence of Jomon Culture-Paleo-environment and Exploitation-based on the Excavation of Peat Bog Layers at the Unoki Site in Niigata Prefecture, Japan
- 2008 - 2011 Study on basic construction of tree DNA barcoding for forest resource conservation and its effectiveness
- 2008 - 2010 Requirements of stable acquisition of timber and botanical material for maintenance of wooden cultural buildings
- 2007 - 2010 Research on Wood Types and Material Selection for Japanese Wooden Statues of the Ancient Period
- 2006 - 2009 Molecular genetics, phytogeography, and biosystematic studies for alpine flora of the Himalayas
- 2006 - 2008 Taxonomical and wood anatomical study of Toxicodendron vernicifluum and identification of its provenance
- 2005 - 2008 Foothold formation of archaeobotany basing on researches on fossil wood, tree rings and fossil DNA
- 2005 - 2007 Studes on the morphologicl and chemical diversities of Ephedra pants
- 2003 - 2006 Research on the selection and identification of tree species used for wooden statues in Japan
- 2002 - 2004 Biogeographical researches on Sino-Himalayan floristic region
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JAPANESE SOCIETY FOR PLANT SYSTEMATICS
, JAPAN ASSOCIATION FOR QUATERNARY RESEARCH
, THE BOTANICAL SOCIETY OF JAPAN
, JAPANESE ASSOCIATION OF HISTORICAL BOTANY