About NAKADA NAOYUKI
About NAKAJI MASAHARU
About ISHIKAWA HIROYASU
About EGAWA TAKASHI
About JIMBO TAKASHI
About UMENO MASAYOSHI
About 電子情報通信学会大会講演論文集
About gallium nitride
About DBR【反射器】
About Light emitting devices
About GaN
About AlGaN
About InGaN
About MQW
About LED
About 高性能化