About OKUMURA HAJIME
About 産業技術総合研 先進パワーエレクトロニクス研究セ
About 電子情報通信学会誌
About power electronics
About compound semiconductor
About band gap
About technological review
About technology development
About switching element
About inverter
About wide band gap semiconductor
About Solic-state devices in general
About エレクトロニクス
About 多様化
About ワイドギャップ半導体
About パワーエレクトロニクス