, Volume 106, Issue 2, pp 629–644 | Cite as

Science linkages between scientific articles and patents for leading scientists in the life and medical sciences field: the case of Japan

  • Naomi FukuzawaEmail author
  • Takanori Ida


We analyze the distributions of paper–paper and paper-patent citations and estimate the relationship between them, based on a 4763-paper sample among the top 100 researchers in the life and medical sciences fields in Japan. We find that paper–paper citations peak at a 4-year average, while the corresponding lag for paper-patent citations is 6 years. Moreover, we show that paper quality is important for being cited by a patent. An inverse U-shaped relationship exists between the research grant and research quality, whereas a U-shaped relationship exists between research quality and total number of papers.


Science linkages Non-patent references Technology transfer 



Thanks are due to Elsevier Japan for its assistance. This work was supported by JSPS KAKENHI Grant Number 25590074.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2015

Authors and Affiliations

  1. 1.National Institute of Science and Technology PolicyMinistry of Education, Culture, Sports, Science, and TechnologyChiyoda-kuJapan
  2. 2.Graduate School of EconomicsKyoto UniversityKyotoJapan

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