. . . "1947" . "イケダ" . . "池田信雄" . "ノブオ" . "Nobuo Ikeda" . "池田" . "池田信雄" . "Nobuo Ikeda"@en . "ノブオ イケダ" . "Ikeda"@en . . "池田信雄" . "信雄 池田"@ja-JP . . "Nobuo"@en . "信雄" .