He contributed to the introduction of neoclassical school and eclecticism of French criminal law into Japan and was called 'Eastern Acephate,' but they were criticized for the inability to handle the increase in repeated offenses associated with the development of the capitalism.
フランスの刑法学である新古典派・折衷主義を日本にもたらすことに大きく貢献し、「東洋のオルトラン」と呼ばれたが、資本主義の発達に伴う累犯の増加に対応できないとして批判された。