About NAKAZAWA TOORU
About 三田工業
About KAWAHARA AKIHIKO
About 三田工業
About MIZUTA YASUFUMI
About 三田工業
About MIYAMOTO EIICHI
About 三田工業
About MUTO NARIAKI
About 三田工業
About OKI SHIGERU
About 大日精化工業
About HOSODA TOORU
About 大日精化工業
About 電子写真学会誌
About electrophotography
About perylenes
About Photoconduction,photoelectromotive force
About Various photographies
About ペリレン
About 顔料
About 帯電
About 単層
About 有機感光体
About 光電