Double-contrast barium enema study with computed radiography: assessment in detection of colorectal polyps. - Yoshitaka Okada; Shoichi Kusano; Takashi Endo (J. Digit. Imaging, 1994)

Recent progress on quantum dot intermediate band solar cells. - Yoshitaka Okada; Katsuhisa Yoshida; Yasushi Shoji; Tomah Sogabe (IEICE Electron. Express, 2013)