About OKUBO KAZUAKI
About 大塚電子
About SHITOMI YOJI
About 産業技術総合研
About IWANAGA TOSHIHIDE
About 東京都産業技術研究セ
About UCHIDA TATSUKIYO
About TAKESHITA SHU
About OSHIMA KOSEI
About 大塚電子
About SAITO MAMORU
About Radiometry
About photometry
About radiation
About standardization
About LED illumination
About light source
About photodetector
About spectroscopy
About optical property
About optical measurement
About modification
About 光放射
About international standardization
About Photometry and photodetectors in general
About Spectroscopy and spectrometers in general
About 光放射
About 計測