- 2018 - 2021 solar-flare researches based on the multi-wavelength simultaneous imaging obsevations of solar radio telescopes in Japan and China
- 2005 - 2007 Observational Research on ionospheric response to EUV irradiance variation of solar flares
- 2002 - 2004 Study on Particle Acceleration in Solar Flares with HESSI, "Yohkoh," and Nobeyama Radioheligograph
- 1999 - 2004 太陽フレア中性子による粒子加速の研究
- 2003 - 2003 太陽地球系科学スクールに向けての企画
- 2000 - 2001 S-RAMP Project : Geomagnetic Storms
- 2000 - 2001 Study of Particle Acceleration and Magnetic Field Structure in Solar Flares
- 1998 - 2000 Dynamics of high energy particles in the earth's inner magnetosphere
- 1996 - 1998 "Energy Release, Particle Acceleration, and Magnetic Reconnection in Solar Flares"
- 1997 - 1997 サブストーム国際会議に向けての企画/準備
- 1995 - 1995 太陽コロナ中の活動現象における磁気リコネクションの研究
- 1994 - 1995 UK-Japan Cooperative Study of Solar Flares with the Yohkoh Mission
- 1994 - 1994 Study of Solar Flares and Development of Magnetic Field
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