. . "潔 永松"@en . "Kiyoshi Nagamatsu" . "永松潔" . "Kiyoshi Nagamatsu" . . "Kiyoshi" . . "キヨシ ナガマツ" . . "永松潔" . "キヨシ" . "ナガマツ" . "Nagamatsu" . "永松" . . "潔" .