共 8 条
- [1] Assessing the R&D Management of a Firm in Terms of Speed and Science Linkage: Evidence from the US Patents[J] . SadaoNagaoka.Journal of Economics & Management Strategy . 2007 (1)
- [2] Patent citation analysis.A closer look at the basic input data from patent search reports[J] . Jacques Michel,Bernd Bettels.Scientometrics . 2001 (1)
- [5] Linkage between patents and papers: An interim EPO/US comparison[J] . F. Narin,D. Olivastro.Scientometrics . 1998 (1)
- [6] The increasing linkage between U.S. technology and public science[J] . Francis Narin,Kimberly S. Hamilton,Dominic Olivastro.Research Policy . 1997 (3)
- [7] Citations,fam-ily size,opposition and the value of patent rights .2 HARHOFF D,F M SCHERER,K VOPEL. Re-search Policy . 2003
- [8] Jaffe,A. B.,Manuel,T. Patents, citations and innovations: A window on the knowledge economy . 2002