Examining potentials and practical constraints of mobile phone data for improving transport planning in developing countries

by Arai, A., Asada, Y., Kanasugi, H., Kawaguchi, H., Shibasaki, R., Tsumura, Y., Yamada, K.
Published 2022

"Quill" writing with ultrashort light pulses in transparent materials

by Kazansky, P.G, Yang, W., Bricchi, E., Bovatsek, J., Arai, A., Shimotsuma, Y., Miura, K., Hirao, K.
Published 2007