Later, he studied social welfare as a professor at Kumamoto Junior College.
He extensively studied the history of leprosy, and presented many documents to the Kumamoto Prefectural Library as Uchida Library; 338 items were shown at an exhibition of Hansen's disease and literature in 2003.
He graduated from Kumamoto Medical School in 1924 and entered the Kyushu Sanatorium.
He found a large house where 23% of mice were infected with murine leprosy.
In three sanatoriums, he taught tanka which consists of five units (often treated as separate lines when Romanized or translated).