He was also Professor of Economics History and Vice Director of the International Research Centre for Japanese Studies in Kyoto and President at Shizuoka University of Arts and culture.

[2] He is co-editor of many studies including Intra-Asian Trade and Industrialization and The Evolving Structure of the East Asian Economic System since 1700, both published by Routledge.

[5] He is opposed to the plan of Tokyo-Nagoya MagLev route[6] in terms of ecological system and water supply, and most importantly to protest against JR Tokai's Nozomi service passing the whole prefecture, and also to disrupt the economical growth of the country.

[14][15] During a speech to newly employed civil servants on 1 April 2024, he made derogatory remarks comparing employees of the prefectural government with "those who sell vegetables, take care of cows or create things."

[16] However, he clarified on 3 April that he was resigning due to his opposition to the Tokyo-Nagoya MagLev route and not for his remarks, which he did not retract, although he apologized "for hurting the feelings of people working in the primary sector.