He was ordered to undertake Saiyaku (to gather medicinal herbs in the fields and mountain) research in various regions with Genjo NORO and Masakatsu UEMURA, as well as to manage Shimousa Yakuen (medicinal-herb garden) and cultivate herbs there.
野呂元丈・植村政勝らと各地の採薬調査を行う傍ら、下総薬園の管理、薬草の栽培を命じられた。