- 2019 - 2024 Head and tail of massive earthquakes: Mechanism arresting growth of interpolate earthquakes
- 2019 - 2023 Research on evaluation methods for tsunamis due to ocean bottom landslides caused by great underthrust earthquakes
- 2015 - 2020 Toward understanding outer rise earhtquakes
- 2011 - 2014 Antarctic Cryosphere evolution: To evaluate the role of the Southern Ocean in the global climate system during the Quaternary
- 2009 - 2014 3-D structure and physical properties of subduction-zone earthquake faults
- 2010 - 2012 Iron sedimentation: Reconstruction of Archean ocean environment from modern Kikai Caldera hydrothermal system
- 2008 - 2010 Deformation structures and active processed of Enshu active faults
- 2007 - 2009 Does mantle geochemistry control the mid-ocean ridge process?-Southwest Indian Ridge expedition
- 2007 - 2009 Reconstruction of variation of East Antarctic ice sheet and Antarctic Circumpolar Current during the Quaternary
- 2006 - 2009 Origin of the Ontong Java Plateau-Mantle plume Impacts? or Abnormal seafloor spreading?
- 2004 - 2006 Study of magma-starved extension in the southern Philippine Sea
- 1999 - 2004 海洋プレート沈み込み帯の研究
- 1999 - 2002 Rate of displacement and recurrence time of earthquake of the submarine active fault off Tokai
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