- 2016 - 2019 Elucidation of magmatic and hydrothermal systems of the highly eruptive Taal and Mayon volcanoes
- 2002 - 2005 Basic study for electromagnetic phenomena preceded by earthquakes in and around Tokai and Kanto regions
- 2000 - 2002 Reconstruction of the climatic changes from borehole temperature and tree rings in the Kamchatka Peninsula
- 1994 - 1996 Study for the Possibility of Earthquake Prediction by High density Geoelectric Potential Observations and its Theoratical Approach.
- 1994 - 1995 Studies on the Greek-type Earthquake Prediction Method by means of Geoelectric Potential and its Application to Japan
- 1992 - 1994 Study of a Crater Structure found in the south of Takamatsu City, Kagawa Prefecture, Japan Professor
- 1990 - 1991 Basic investigation on the earthquake prediction by means of go-electric potential monitoring.
- 1989 - 1989 非定常熱針法による熱伝導率自動計測システムの開発と熱伝導率測定誤差原因の解明
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