About KUMADA NOBUHIRO
About Univ. Yamanashi
About TAKEI TAKAHIRO
About Univ. Yamanashi
About HONG Byungchul
About Mitsubishi Chemical Corp.
About セラミックス
About light emitting diode
About improvement of efficiency
About color rendering
About phosphor
About red light
About Manganese
About potassium compound
About sodium compound
About niobium compound
About tantalum compound
About fluoride
About hydrothermal synthesis
About crystal structure
About XAFS
About functional material
About white light emitting diode
About modification
About white LED
About efficiency upgrading
About red
About Fluorescence and phosphorescence of inorganic molecules
About Double salts
About Ceramics and ceramic whiteware in general
About Light emitting devices
About 金属フッ化物
About 白色LED
About 赤色蛍光体