1982-2004 Asst. Prof., Imaging Sci. & Eng. Lab., Tokyo Inst. of Tech.
1988-1993 Assoc. Prof., Imaging Sci. & Eng. Lab., Tokyo Inst. of Tech.
1993-2000 Professor, Imaging Sci. & Eng. Lab., Tokyo Inst. of Tech.
2000-2007 Professor, FCRC, Tokyo Inst. of Tech.
2007-2016 Professor, Imaging Sci. & Eng. Lab., Tokyo Inst. of Tech.
2016- Professor, IIR, Tokyo Institute of Technology
Field of Specialization
Information security, Image reconstruction, Medical image analysis, Color management
Advanced Research Center for Social Information Science and Technology / Laboratory for Future Interdisiplinary Research of Science and Technology（IIR, Tokyo Tech）
Research Hub Group ：Social Implementation international hub group
Contribution to optimization of information systems in Japanese Government
Establishment of industry groups and research center in Tokyo Tech
Research representative of Natural Vision by NICT
Aug. 2016：Interview about My Number system was published by Nikkei Computer (in Japanese)
Nov. 2014：Interview about information system in Japanese Government was published by Nikkei BP Government Technology (in Japanese)
Selected Awards and Honors
1995 Science and Technology Agency Award
1997 Commendation by Minister of International Trade and Industry
2000 Commendation by Minister of Posts and Telecommunications
2005 Commendation by Minister of Public Management, Home Affairs, Posts and Telecommunications
2010 Commendation by Minister of Education, Culture, Sports, Science and Technology Prize for Science and Technology（Research Category）
Nagaaki Ohyama, Shigeru Ohki, Soichi Inoue, Jumpei Tsujiuchi, Toshio Honda. Discrete Radon transform in a continuous space, Journal of the Optical Society of America A, Vol. 4, No. 2, pp. 318-324, 1988.
Kazuhiro Gono, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama, Hirohisa Machida, Yasushi Sano, Shigeaki Yoshida, Yasuo Hamamoto, Takao Endo. Appearance of enhanced tissue features in narrow-band endoscopic imaging, Journal of Biomedical Optics, Vol. 9, No. 3, pp. 568-577, 2004.
Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama. Beyond Red-Green-Blue(RGB): Spectrum-Based Color Imaging Technology, Journal of Imaging Science and Technology, Vol. 52, no. 1, pp. 010201-1-15, 2008