He surveyed Ezochi and the next year, in 1801, he finished the survey of the east coast of Honshu (the main island of Japan), the west coast of Tohoku region and the coasts of Tokai and Hokuriku regions.
蝦夷地測量の翌年の享和元年（1801年）には本州東海岸、東北西海岸、東海地方・北陸地方沿岸の測量を完了。