In 1835, the sixth owner of Yamamotoyama, Kahei (Tokuo) YAMAMOTO roasted tea leaves and rounded them into dew-like shapes at the house of the Kinoshita family located in Ogura, Uji City, which later became the original form of 'gyokuro' (which literally translates as "jade dew").
天保6年（1835年）に山本山の六代山本嘉兵衛（徳翁）が、宇治市小倉の木下家において茶葉を露のように丸く焙り、これが「玉露」の原型となった。