2LIU C,YANG J.Decoding patent information using patent maps[J].Data Science Journal,2008,7:14-22.
3HALL B H,JAFFE A,TRAJETENBERG M.Market value and patent citation[J].The Rand Journal of Economics,2005,36(1):16-38.
4BREITZMAN A F,NARIN F.Method and apparatus for choosing a stock portfolio,based on patent indicators[P].US6175824,2001.
5SCHERER F M,HARHOFF D.Technology policy for a world of Skew-Distributed outcomes[J].Research Policy,2000,29(4-5):559-566.
6HALL B H,ZIEDONIS R H.The paradox revisited:an empirical study of patenting in the US semiconductor industry,1979-1995[J].RAND Journal of Economics,2001,32(1):101-128.
7ERNST H.Patent information for strategic technology management[J].World Patent Information,2003,25(3):233-242.
8MERGES R P.Commercial success and patent standards:economic perspectives on innovation[J].California Law Review,1988,76(803):805-876.
9SEIDEL A H.Citation system for patent office[J].Journal of the Patent Office Society,1949,31:554-567.
10REITZIG M.What determines patent value insights from the semiconductor industry[J].Research Policy,2003,32(1):13-26.