Faculty Fellow

Program Director
Professor, Tokyo Keizai University

Activities at RIETI


Policy and Institutions for Innovation

Research Projects


1990 Ph.D., Economics, Massachusetts Institute of Technology
1980 M.S., Management, Massachusetts Institute of Technology
1975 B.E., Engineering, the University of Tokyo


2015 - Present Professor, Faculty of Economics, Tokyo Keizai University
2004 - 2008 Director and Professor, Institute of Innovation Research, Hitotsubashi University
1997 - 2015 Professor, Institute of Innovation Research, Hitotsubashi University
1996 - 1997 Professor, Institute of Business Research, Hitotsubashi University
1992 - 1996 Professor, Faculty of Economics, Seikei University
1990 - 1992 Director of the Office for Russia and Eastern Europe, MITI
1986 - 1990 Economist, The World Bank
1975 - 1992 Ministry of International Trade and Industry (MITI)

He served as a secretariat for the Organisation for Economic Co-operation and Development (OECD)'s Working Group on Trade and Competition.
He is a visiting research scholar at the National Institute of Science and Technology Policy (NISTEP) and an economic advisor to the Japan Patent Office (JPO).
He served as a member of the European Patent Office (EPO)'s Economic and Scientific Advisory Board.

Selected Publications and Papers

Recent Publications
"An economic analysis of deferred examination system: Evidence from a policy reform in Japan," with Isamu Yamauchi, International Journal of Industrial Organization, 2015, 39, 19-28

"Does the outsourcing of prior art search increase the efficiency of patent examination?" with Isamu Yamauchi, Research Policy, 2015, forthcoming

"Determinants of International Research Collaboration: Evidence from International Co-inventions in Asia and Major OECD," with Naotoshi Tsukada, Asian Economic Policy Review, 2015, Vol 10, Issue 1, 96-119

"Contribution of postdoctoral fellows to fast-moving and competitive scientific research," with Masatsura Igami and John Walsh, Journal of Technology Transfer, August 2014.

"Patent Statistics as an Innovation Indicator" in Hall, Bronwyn H. and Nathan Rosenberg, eds., Handbook of the Economics of Innovation, Vol. 2, Oxford: Elsevier, 2010.

"Does Strong Patent Protection Facilitate International Technology Transfer?: Some Evidence from Licensing Contracts of Japanese Firms," Journal of Technology Transfer, Vol. 34, No.2, April 2009.

"21st Century Innovation Systems for Japan and the United States: Lessons from a Decade of Change" Washington, D.C.: The National Academies Press, 2009 (coeds. with Masayuki Kondo, Kenneth Flamm, and Charles Wessner),

"The structure and the emergence of essential patents for standards: Lessons from three IT standards". In Uwe Cantner, Jean-Luc Gaffard, Lionel Nesta eds., Schumpeterian Perspectives on Innovation, Competition and Growth, Springer, 2009

"Determinants of Firm Boundaries: Empirical Analysis of the Japanese Auto Industry from 1984 to 2002," with Akira Takeishi and Yoshihisa Noro, June 2008, Journal of the Japanese and International Economies, June 2008, Volume 22, Issue 2, Pages 187-206

"Assessing the R&D Management of a Firm in Terms of Speed and Science Linkage: Evidence from the US Patents," Spring 2007, Journal of Economics & Management Strategy, Vol. 16, No. 1, 129-156

"R&D and Market Value of Japanese Firms in the 1990s," June 2006, Journal of the Japanese and International Economies, Vol. 20, No. 2, 155-176

"How Do the Speed, Science Linkage, Focus and New Entry Matter in IT Inventions?"February 2006, Carine Peeters and Bruno Van Pottelsberghe de la Potterie (eds.), Economic and Management Perspectives on Intellectual Property Rights, Palgrave, 171-198

"The Incidence of Cross-licensing: A Theory and New Evidence on the Firm and Contract Level Determinants," with Hyeog Ug Kwon, November 2006, Research Policy, Volume 35, Issue 9, 1347-1361

"Determinants of the Introduction of Stock Options by Japanese Firms: Analysis from Incentive and Selection Perspectives," November 2005, Journal of Business, Vol. 78, No. 6, 2289-2315

"Determinants of High-royalty Contracts and the Impact of Stronger Protection of Intellectual Property Rights in Japan," June 2005, Journal of the Japanese and International Economies, Vol. 19, No. 2, 233-254

"The Consortium Standard and Patent Pools," May 2004, Keizai Kenkyu, Vol. 55, No.4, pp. 345-357


Japanese Representative to the Board of Managers, International Joseph A. Schumpeter Society
International Development Engineering Society
Japanese Economic Association
The Japan Association for Comparative Economic Studies
The Japan Society of International Economics
Intellectual Property Association of Japan
Editor, Hitotsubashi Business Review