I have been working on the observation of atmospheric neutrinos and the study of neutrino oscillations. Information to be obtained by neutrino oscillation experiments is believed to be important for a deeper understanding of the laws in nature of both the elementary particles and the Universe. Therefore, I will continue working on neutrino physics.

I will work on the T2K experiment, which is a long baseline experiment between the J-PARC high intensity proton accelerator and the Super-Kamiokande detector. The main objective of this experiment is the search for yet-unobserved muon neutrino to electron-neutrino oscillations. Also, I will continue working on atmospheric neutrinos, which could give us unique information on neutrino oscillations that could not be obtained by accelerator based long-baseline experiments. Finally, I will work on R&D towards a future very large neutrino detector for a large-scale long-baseline neutrino oscillation experiment.