About HIROKAWA MITSUO
About INOUE KATSUO
About SAKAI MASAYUKI
About ITO KOKI
About product design
About concept
About lighting fitting
About case study
About consumer behavior
About evaluation criterion
About formative design
About recognition
About Perception
About multiple regression analysis
About rough set
About sensibility
About image
About Lighting in general and theory
About Man-machine system
About デザインコンセプト
About 手法
About 提案
About 照明器具
About デザイン
About 研究