About NOGUCHI HIDEHIKO
About ハリソン東芝ライティング
About YANO HIDETOSHI
About ハリソン東芝ライティング
About MOTOMURA HIDEKI
About JINNO MASAFUMI
About AONO MASAHARU
About xenon lamp
About Light sources,lighting apparatus
About 外部電極
About 放電
About 進展
About 研究