A Study on Color Conversion for Color Deficient People to Identify Color. - Makoto Oka; Naoki Ozawa; Hirohiko Mori; Akito Sakurai (HCI (8), 2009)

Angular Resolution Improvement of Ocean Surface Current Radar Based on the Khatri-Rao Product Array Processing. - Hiroyoshi Yamada; Naoki Ozawa; Yoshio Yamaguchi; Keizo Hirano; Hiroyuki Ito (IEICE Trans. Commun., 2013)