sentences:  In 1881, he became the University of Tokyo lecturer and after that, he concurrently held the posts of the university teacher with the bureaucrat technical expert.In 1886, when he was 32 years old, he was installed in "Kōka Daigaku" which was the forerunner of Tokyo Daigaku Kōgakubu (the University of Tokyo engineering department) first president, in 1888 was received the degree of the first "Kōgaku Hakushi" (Doctor of Engineering) and in 1894 was installed in the first engineering works Doboku Gikan (Vice-Minister for Engineering Affairs) in Naimushō.He attempted to improve an engineering works public administration and established Doboku Hōki (an engineering works law).