About FUJIWARA Kazuhiro
About Univ. Tokyo
About SAWADA Toshinari
About Univ. Tokyo
About Journal of Light & Visual Environment
About light source
About 人工太陽光源
About Light sources,lighting apparatus
About スペクトル
About パワー密度
About LED
About 人工
About 太陽
About 光源システム
About 設計
About 開発