Keiichiro Kagawa received the Ph.D. degree in engineering from Osaka University, Osaka, Japan, in 2001. In 2001, he joined Graduate School of Materials Science, Nara Institute of Science and Technology as an Assistant Professor. In 2007, he joined Graduate School of Information Science, Osaka University as an Associate Professor. In 2011, he joined Shizuoka University as an Associate Professor. Since 2020, he has been a Professor with Shizuoka University, Hamamatsu, Japan. His research interests cover high-performance computational CMOS image sensors, imaging systems, and biomedical applications.