I obtained the Dr. of Engineering degree from Tokyo Institute of Technology in 1983.
I have over 150 publications in the field of color vision, color appearance, and glare evaluation of various lights. After working at York University, Canada, Tokyo Institute of Technology, Tokyo Metropolitan Institute of Neurosciences, I have been working in the Graduate School of Engineering at Utsunomiya University, Japan. I was and an Associate Director of the CIE Division 1, and an Associate Director of the CORE, Utsunomiya University, in 2007-2015. I have been the Dean of the Graduate School of Engineering since 2016.