| At the age of fifty-seven, he was provided with the myojitaito right by the Edo bakufu due to his accomplishments of geographical measuring of the Ezo area, and it was after this that he became able to use the family name of 'INO' outside Sawara as well. |
57歳の時に蝦夷地測量の功績によって江戸幕府から改めて苗字帯刀の許可を得て佐原以外でも「伊能」姓を名乗ることが許されている。 |