A Test System tor High Density and High Speed Digital Board. - K. Moriwaki; S. Ishiyama; K. Takizawa; F. Kobayashi; S. Sekine; Y. Hinataze (ITC, 1986)

Estimation of sleepiness using pupillary response and its frequency components. - Minoru Nakayama; K. Yamamoto; F. Kobayashi (Int. J. Bioinform. Res. Appl., 2012)