Stochastic model for innovation and resulting skew distribution for technological concentration with verification in Japanese industry. - Hajime Eto; K. Makino (Scientometrics, 1983)

Bradford law in R&D expending of firms and R&D concentration. - Hajime Eto (Scientometrics, 1984)

Applicability of the Bradford distribution to international science and technology indicators. - Hajime Eto; P. M. Candelaria (Scientometrics, 1987)

Rising tail in Bradford distribution: Its interpretation and application. - Hajime Eto (Scientometrics, 1988)

Science revolution and Ortega hypothesis in developing countries. - Hajime Eto (Scientometrics, 1991)

Quality assessment of science information research and service. - Hajime Eto (Scientometrics, 1994)

The interest of scientific communities in sea-related research topics. - Hajime Eto (Scientometrics, 1999)

Relationship of mathematical programming with mathematics, economic/regional planning and other specialties. - Hajime Eto (Scientometrics, 1999)

Methodological reflection of technology assessment. - Hajime Eto (Int. J. Serv. Technol. Manag., 2000)

Maritime safety/rescue service performance and technological enhancement. - Hajime Eto (Int. J. Serv. Technol. Manag., 2000)

Market analysis of mathematics-based software in an expert-founded venture. - Hajime Eto (Int. J. Technol. Manag., 2000)

Bibliometric Distance between Methodology and Application in Statistics. - Hajime Eto (Scientometrics, 2000)

Authorship and Citation Patterns in Operational Research Journals in Relation to Competition and Reform. - Hajime Eto (Scientometrics, 2000)

Service quality assessment and service process reengineering. - Hajime Eto (Int. J. Serv. Technol. Manag., 2001)

Authorship and citation patterns in Management Science in comparison with operational research. - Hajime Eto (Scientometrics, 2002)

Interdisciplinary information input and output of a nano-technology project. - Hajime Eto (Scientometrics, 2003)

Scientometric definition of science: In what respect is the humanities more scientific than mathematical and social sciences? - Hajime Eto (Scientometrics, 2008)