He was awarded a retirement bonus equivalent to 400 million yen at today's rate, as an expression of appreciation from such high government officials as Koi FURUICHI, the chief of the Engineering Bureau at the Department of Interior.
退職金は、現在の価格にして4億円に相当したとされ、当時の上官で内務省土木局長だった古市公威ら高級官僚らの労いもあったとされる。