1.	Katsuki Tai, Masashi Kurita, and Ichiro Fujieda, “Recognition of living fingers with a sensor based on scattered-light detection,” Applied Optics Vol. 45, No.3, 20 January 2006, pp. 419-424.
2.	Katsuki Tai, Etsuji Matsuyama, Masashi Kurita, and Ichiro Fujieda, “Dual-LED imaging for finger liveliness detection and its evaluation with replicas,” Applied Optics Vol. 45, No. 24, 20 August 2006,
3.	Ichiro Fujieda, Katsuki Tai, Etsuji Matsuyama and Masashi Kurita, “Dual-LED imaging system for secure and robust fingerprint detection,” Journal of Robotics and Mechatronics Vol.18, No.6 (December, 2006), Special Issue on Optomechatronics, pp. 714-721.
4.	Fanny Rahadian, Keita Imai and Ichiro Fujieda, “Comparative study of organic light emitting diode efficiency enhancement by the use of optical films,” Optical Engineering Vol. 46, 124001 (Dec. 14, 2007).
5.	Toshitaka Murata and Ichiro Fujieda, “Input couplers for thin light-guides and LEDs,” Optical Engineering Vol. 47, 027001 (Feb. 14, 2008).
6.	Takeshi Imamura, Kenta Kakutani, and Ichiro Fujieda, “Imaging simulated smeared fingers with a sensor based on scattered-light detection,” Optical Review Vol. 15, No. 3 (2008) 143-147.
7.	Keita Imai and Ichiro Fujieda, “Illumination uniformity of an edge-lit backlight with viewing-angle control,” Optics Express Vol. 16, Issue 16, pp. 11969-11974, 2008.
8.	Fanny Rahadian, Tatsuya Masada and Ichiro Fujieda, “Integration of multiple organic light emitting diodes and a lens for emission angle control,” IEICE Transactions on Electronics Volume E91-C No.10, pp.1536-1541 (2008) (invited paper).
9.	Atsushi Hori and Ichiro Fujieda, “Studies on blood movement during a fingerprint input action,” International Journal of Optomechatronics Vol. 2, No. 4 October 2008, pages 390-400.