・Effect of Pinhole Shape with Divergent Exit on AE Characteristics during Gas Leak K. Yoshida, Y. Akematsu, K. Sakamaki, K. Horikawa Journal of Acoustic Emission, Vol.21, pp.223-229, 2003
・Doppler Effect in Flexible and Expandable Light-Waveguide and Development of New Fiber-Optic Vibration/Acoustic Sensor K. Kageyama, H. Murayama, K. Uzawa, I. Ohsawa, M. Kanai, Y. Akematsu, K. Nagata, T. Ogawa IEEE Journal of Light wave Technology,Vol.・・・