He has gained a profound knowledge of the Chinese history, or the history of tea drinking in China in particular, which he has so far imparted to people through newspaper and magazine articles, radio and television talks and giving lectures, on the theme of the Japanese and Chinese histories of tea drinking.
中国の歴史、とりわけ中国喫茶史に造詣が深く、日中の喫茶史をテーマに、新聞・雑誌・テレビ・ラジオ・講演等で公表。