. "チョウカン ヨウ" . "ヨウ" . "Chōkan" . "潮観" . "1791" . "Yo" . "Yō" . . "Chokan" . "Chokan Yo" . . "楊" . "チョウカン" . "1712" . "潮観 楊"@en . "Chōkan Yō" . . . .