Crowdwork from an Historical Perspective - Does Crowdwork Mean the Return of Working under the Putting-out System?
(21st World Congress of the International Society for Labour and Social Security Law, Torino, Italy 2018)
What is "Labor is not a commdity"- Commodification of Labor Force and Labor Law
(2nd Conference of Labor Law Research Network, Amsterdam, Netherlands 2015)
Corporate Social Responsibility, Social Resiponcible Investment and Labor Law in Japan-The Lessons from the Nomura Securities Case
(19th World Congress of the International Society for Labour and Social Security Law, Sydney, Australia 2009)
Corporate Restructuring and Role of Labor Law in Japan
(8th Asian Regional Congress of the International Society for Labour and Social Security Law, Taipei, Republic of China 2005)
The Changes in Enterprise Organization, Deiversification of Employment Forms
(UCLA Conference on the Past and Future of Comparative Labor Law, UCLA, Los Angeles, U.S.A. 2005)