Afterward, because of his sincere posture to Western studies, he was praised as '蘭学の化け物' (literally, wizard of Western studies) by Masashika OKUDAIRA, the lord of the domain, and was so proud of the title that he called himself '蘭化' (ranka).
その後、蘭学に対する真摯な姿勢より、藩主奥平昌鹿より「蘭学の化け物」と賞賛され、これを誉とし「蘭化」と号する。