1.	Ichiro Fujieda, Etsuji Matsuyama and Masashi Kurita, "Signatures of live fingers extracted from a series of fingerprint images" Proc. of SPIE Vol. 5677 pp. 177-185, 2005. Presented at the IS&T/SPIE's Symposium on Electronic Imaging: Science & Technology, San Jose, Jan. 16-20, 2005.
2.	Masashi Kurita, Katsuki Tai, Ichiro Fujieda, "Multi-spectral imaging of fingerprints for secure biometric systems" Proc. IS&T/SID, 13th Color Imaging Conf., pp. 251-255, 2005. Presented at the 13th Color Imaging Conference, Nov. 7-11, 2005, Scottsdale, Arizona.
3.	Ichiro Fujieda, Katsuki Tai, Etsuji Matsuyama and Masashi Kurita, "Dual-LED imaging system for secure fingerprint identification" Proc. of SPIE Vol. 6049 pp. 60490B-1-9, 2005. Presented at Optomechatronic Technologies (ISOT 2005) 5-7 December 2005, Sapporo Convention Center, Sapporo, Japan.
4.	Katsuki Tai, Masashi Kurita, and Ichiro Fujieda, "Life recognition based on color variations in fingerprint images of live and artificial fingers", Proc. of SPIE Vol. 6075 pp. 6075Z-1-8, 2006. Presented at Optical Security and Counterfeit Deterrence Techniques VI, a part of the IS&T/SPIE Symposium on Electronic Imaging, 15-19 January 2006 at the San Jose Convention Center in San Jose, California USA.
5.	Ichiro Fujieda, Yoshihiko Takagi, Fanny Rahadian, "Design considerations for a backlight with switchable viewing angles" Proc. of SPIE Vol. 6338, 63380H. Nonimaging Optics and Efficient Illumination Systems III, edited by Roland Winston, Pablo Ben?tez. Presented at the conference on Nonimaging Optics and Efficient Illumination Systems III, a part of the SPIE Symposium on Optics & Photonics, 13-17 August 2006, San Diego, California USA.
6.	Ichiro Fujieda, Masakatsu Tada, Fanny Rahadian, "Design of liquid crystal Fresnel lens by uneven electric field," Proc. of SPIE, Vol. 6375, 637504, 2006. Presented at the conference on Optomechatronic Sensors and Instrumentation II, a part of the SPIE Symposium on Optics East, 1-4 October 2006 at the Boston Marriott Copley Place in Boston, MassachusettsUSA. (the winners of the SPIE Optmechatronics 2006 Awards)
7.	M. Tada, K. Shibata, J. Miyashita and I. Fujieda, "Design of liquid crystal Fresnel lens and its applications," Proc. of 13th International Display Workshops, pp. 929-932, 2006..
8.	F. Rahadian, M. Tada and I. Fujieda, "Efficiency improvement of OLED backlight for TN-LCD," Proc. of 13th International Display Workshops, pp. 933-936, 2006.
9.	I. Fujieda, Y. Takagi, K. Imai, Y. Inaba and T. Fujii, "Thin Backlight with Electronic Control of Emission Angle," Proc. of 13th International Display Workshops, pp. 937-940, 2006.
10.	I. Fujieda, A. Hori, and K. Tai, "Image Subtraction Analysis for Finger Color Variation," presented at Progress In Electromagnetics Research Symposium 2007, Beijing, China, March 26-30, Proceedings, pp. 615-618.
11.	A. Kuramoto, A. Hori, and I. Fujieda, "Laser Speckle Imaging of a Finger by Scattered Light Optics," presented at Progress In Electromagnetics Research Symposium 2007, Beijing, China, March 26-30, Proceedings, pp. 800-803.
12.	Ichiro Fujieda, Keita Imai, and Yoshihiko Takagi, "Light sources and output couplers for a backlight with switchable emission angles," Proc. SPIE Vol. 6670, 66700N, 2007. Presented at the conference on Nonimaging Optics and Efficient Illumination Systems IV, a part of the SPIE Symposium on Optics + Photonics, 26-30 August 2007 at San Diego Convention Center, San Diego, California, USA.
13	Ichiro Fujieda, Atsushi Hori, Masashi Kurita, "Detection of blood-related signal from a series of fingerprint image sacquired during an input action," Proc. of SPIE, Vol. 6759, 6759-30, 2007. Presented at the conference on Smart Biomedical and Physiological Sensor Technology V, a part of the SPIE Symposium on Optics East, 9-12 September 2007 at the Seaport World Trade Center Boston, Massachusetts USA.
14.	F. Rahadian, T. Masada, and I. Fujieda, "Integration of multiple organic light emitting diodes and a lens for emission angle control," Proc. of 14th International Display Workshops, pp. 685-688, 2007. (IDW '07 Outstanding Poster Paper Award Winner)
15.	K. Imai and I. Fujieda, "Design of output couplers for an edge-lit backlight with viewing-angle control," Proc. of 14th International Display Workshops, pp. 689-692, 2007.
16.	Y. Inaba, Y. Nagai and I. Fujieda, "Edge-lit backlight utilizing a laser diode and an optical fiber," Proc. of 14th International Display Workshops, pp. 705-708, 2007
17.	Atsushi Hori, Nobuyuki Takeoka, and Ichiro Fujieda, "Simple models for color changes in a finger during a fingerprint input action," Proc. SPIE Vol. 6849, 68490P (Feb. 12, 2008). Presented at Design and Quality for Biomedical Technologies, a part of the SPIE Symposium on Biomedical Optics, 19-24 January 2008, San Jose, California USA.
18.	Yuta Inaba, Keita Imai, Ichiro Fujieda, and Ikuo Onishi "A backlight based on a laser diode and its design considerations," Digest of Technical Papers, Society for Information Display, Vol. 39, pp. 1564-1567, 2008. Presented at the SID International Symposium, May 18-23, 2008, Los Angeles, California, USA.
19.	Keita Imai, Ichiro Fujieda, “Further studies on output couplers for edge-lit backlight with emission angle control,” Proc. SPIE Vol. 7059, 70590R, 2008. Presented at the conference on Nonimaging Optics and Efficient Illumination Systems V, a part of the SPIE Symposium on Optics + Photonics, 10-14 August 2008 at San Diego Convention Center, San Diego, California, USA
20	Masayuki Nishino, Yuuto Okuda, Yasunori Inoue, Takashi Kosugi, Ichiro Fujieda, “Optical Considerations for a Multi-Finger 3d User Interface,” presented at 7th International Conference on Optics-photonics Design & Fabrication, Yokohama, Japan, April 19-21, Technical Digest (ISBN:978-4-86348-068-1) pp. 263-264.
21	Yuuto Okuda, Masayuki Nishino, Ichiro Fujieda, “Diffraction of Laser Light for a Liquid Crystal Display without Color Filters,” presented at 7th International Conference on Optics-photonics Design & Fabrication Yokohama, Japan, April 19-21, Technical Digest (ISBN:978-4-86348-068-1) pp. 265-266.
22	Ichiro Fujieda, Yasunori Inoue, Masayuki Nishino, “Detection of touch event with a camera-based user interface,” presented at International Symposium on Optomechatronic Technologies, 25-27 October 2010, Toronto, Canada.
23	Yuuto Okuda, Koji Yamashita, Ichiro Fujieda, “Spectral imaging with a modified document scanner,” presented at International Symposium on Optomechatronic Technologies, 25-27 October 2010, Toronto, Canada.
24	Tatsuhiko Kawaguchi, Takehiro Okura, Yuuki Kondo, and Ichiro Fujieda, “Charge transport anisotropy in a pentacene transistor with an underlying photo-alignment layer,” Proc. SPIE 7935, 79350H (2011); doi:10.1117/12.873712. Presented at the conference on Organic Photonic Materials and Devices XIII, a part of the SPIE Photonics West, San Francisco, California, U.S.A., 24 January 2011.